Manuel d'utilisation / d'entretien du produit 3551 du fabricant Paradyne
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COMSPHERE 3550 SERIES DA T A SER VICE UNITS MODELS 3550 AND 3551 USER’S GUIDE Document No. 3550-A2-GB20-20 December 1996.
COMSPHERE 3550 Series Data Service Units A December 1996 3550-A2-GB20-20 COMSPHERE Model 3550 and 3551 Data Service Units User ’s Guide 3550-A2-GB20-20 3rd Edition (December 1996) Changes and enhancements to the product and to the information herein will be documented and issued as a new release.
Safety Instructions B 3550-A2-GB20-20 December 1996 Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. This product is intended to be used with a three-wire grounding type plug – a plug which has a grounding pin.
COMSPHERE 3550 Series Data Service Units C December 1996 3550-A2-GB20-20 Notices .
Safety Instructions D 3550-A2-GB20-20 December 1996 Government Requirements The Federal Communications Commission (FCC) requires that instructions pertaining to connection to the telephone network be included in the installation and operation manual. Specific instructions are listed in this section.
COMSPHERE 3550 Series Data Service Units E December 1996 3550-A2-GB20-20 The DDS Service Order Number is 6.0Y . The jack configurations required are RJ48S for the Model 3550 DSU and RJ48T for the Model 3551. W ith an RJ48T configuration, you must specify the number of data lines you require.
i 3550-A2-GB20-20 December 1996 T able of Contents Preface About This Guide vii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . How to Use This Guide vii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3550 Series Data Service Units ii December 1996 3550-A2-GB20-20 4. Operating the DSU Overview 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DCP and SDCP Operation 4-2 . . . . . . . . . . .
T able of Contents iii 3550-A2-GB20-20 December 1996 List of Figures Figure Page 2-1 Model 3550 Hardware Switch Location (shown without a TDM/Flex) 2-3 . . . . . . . . . . 2-2 Model 3550 Electrical Connection 2-4 . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3550 Series Data Service Units iv December 1996 3550-A2-GB20-20 List of T ables T able Page 1-1 General T echnical Specifications 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 DSU T echnical Specifications 1-6 .
T able of Contents v 3550-A2-GB20-20 December 1996 T able Page C-1 DSU Status Indicators C-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2 SDCP Status Indicators C-2 . . . . . . . . . . . . . . . .
vii 3550-A2-GB20-20 December 1996 Preface About This Guide This user ’ s guide provides the information needed to install and operate your Model 3550 or 3551 data service unit (DSU), which may or may not be equipped with a dial backup module (DBM) or time division multiplexer (TDM).
COMSPHERE 3550 Series Data Service Units viii December 1996 3550-A2-GB20-20 Related Documents Call your sales representative to order additional product documentation.
1-1 3550-A2-GB20-20 December 1996 About Y our DSU Overview 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Standard Features 1-1 . . . . . . . . . .
COMSPHERE 3550 Series Data Service Units 1-2 December 1996 3550-A2-GB20-20 • Diagnostic Contr ol Panel control. The Model 3550 DSU is controlled from its diagnostic control panel (DCP). The diagnostic control panel for the Model 3551 DSU, called a shared diagnostic control panel (SDCP), is installed in the 3000 Series Carrier .
About Y our DSU 1-3 3550-A2-GB20-20 December 1996 2-Port TDM/Flex The 2-port TDM/Flex is a separate circuit card that attaches to the Model 3550 DSU. It allows independent ports to share one standard digital point-to-point facility . The 2-port TDM/Flex provides the following features: • Port capacity .
COMSPHERE 3550 Series Data Service Units 1-4 December 1996 3550-A2-GB20-20 T able 1-1 (1 of 2) General T echnical Specifications Specifications Criteria APPROV ALS FCC Part 15 FCC Part 68 UL 3550 DSU .
About Y our DSU 1-5 3550-A2-GB20-20 December 1996 T able 1-1 (2 of 2) General T echnical Specifications Specifications Criteria HEA T DISSIP A TION (MAX.) A T 1 15 VA C 3550 DSU 3550 DSU with DBM 3550 DSU with 2-Port TDM/Flex 3551 DSU 3551 DSU with DBM 3000 Series Carrier (16 DSUs with DBMs plus SDU and fan module) 22.
COMSPHERE 3550 Series Data Service Units 1-6 December 1996 3550-A2-GB20-20 T able 1-2 DSU T echnical Specifications Specifications Criteria APPLICA TION Full- or half-duplex data transmission via poin.
About Y our DSU 1-7 3550-A2-GB20-20 December 1996 T able 1-3 V .32 DBM T echnical Specifications Specifications Criteria RINGER EQUIV ALENCE NUMBER (REN) DBM option 0.7B APPLICA TION Full- or half-duplex data transmission via analog 2-wire dial network, point-to-point MODULA TION AND FREQUENCY At 14.
COMSPHERE 3550 Series Data Service Units 1-8 December 1996 3550-A2-GB20-20 T able 1-4 2-Port TDM/Flex T echnical Specifications Specifications Criteria APPLICA TION Multiplexing Digital sharing Provides time division multiplexing of two independent ports.
2-1 3550-A2-GB20-20 December 1996 Installing the Model 3550 DSU Overview 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Before Y ou Begin 2-1 . . .
COMSPHERE 3550 Series Data Service Units 2-2 December 1996 3550-A2-GB20-20 circuit must be capable of supplying a minimum of 2 amperes at 1 15 V ac. Refer to the T echnical Specifications section in Chapter 1 for additional power requirements. CAUTION The ac transformer contains a 3-wire grounding-type plug which has a grounding pin.
Installing the Model 3550 DSU 2-3 3550-A2-GB20-20 December 1996 496-14457-01 SWITCH 1 HINGE T AB LOCA TIONS FRONT BEZEL COMSPHERE 3550 SNAP T ABS Figure 2-1. Model 3550 Hardware Switch Location (shown without a TDM/Flex) T able 2-1 Model 3550 DSU Switch Settings Switch Position Switch Setting Function S1-1 ON (default) Permissive V .
COMSPHERE 3550 Series Data Service Units 2-4 December 1996 3550-A2-GB20-20 Where to Place the DSU As mentioned earlier , the DSU must be placed within 6 feet of a dedicated grounded ac outlet that is protected by a circuit breaker . The distance between the DSU and its DTE must be within EIA-232-D/V .
Installing the Model 3550 DSU 2-5 3550-A2-GB20-20 December 1996 Power-Up Routine When power is applied, the DSU: • Determines what options (DBM or TDM/Flex) are installed, if any . • Runs a Device T est on itself and each of the installed options.
COMSPHERE 3550 Series Data Service Units 2-6 December 1996 3550-A2-GB20-20 Connecting to the NMS A 3600 Hubbing Device is required to connect the control DSU to the 6700 Series NMS. When connected to the NMS, the DSU can be controlled and configured from the NMS rather than from the DCP alone.
Installing the Model 3550 DSU 2-7 3550-A2-GB20-20 December 1996 Connecting to the DDS (or LADS) Network NOTE Before connecting the DSU to the DDS network, ensure that approved primary protectors have .
COMSPHERE 3550 Series Data Service Units 2-8 December 1996 3550-A2-GB20-20 T able 2-2 LADS Connection Distances Data Rate Wire Gauge (A WG) Data Rate (kbps) 19 22 24 26 2.4 20.0 mi (32.2 km) 16.6 mi (26.7 km) 12.7 mi (20.5 km) 9.4 mi (15.1 km) 4.8 19.
Installing the Model 3550 DSU 2-9 3550-A2-GB20-20 December 1996 T ributary DSU Addressing T ributary DSU addresses are user -definable, but take care that their addresses are unique on a multipoint circuit. If two tributaries ar e assigned the same addr ess, you will not be able to communicate with either one .
COMSPHERE 3550 Series Data Service Units 2-10 December 1996 3550-A2-GB20-20 Connecting the DSU to a DTE The DSU’ s rear panel has both a 25-pin EIA-232-D/ V .24 connector and a 34-pin CCITT V .35 connector (used for higher operating speeds). Y ou can use either interface.
Installing the Model 3550 DSU 2-1 1 3550-A2-GB20-20 December 1996 Connecting Port 2 For the EIA-232 cable, install as described above. For the V .35 cable, install the V .35 Interconnect Cable, then the V .35 DTE cable as follows (refer to Figure 2-7).
COMSPHERE 3550 Series Data Service Units 2-12 December 1996 3550-A2-GB20-20 V erifying DBM Operation If a DBM is installed, test the tributary DBM for dial tone, and verify that the DSU can place and receive calls. . Procedure 1. Select Bckup (F2). 2.
3-1 3550-A2-GB20-20 December 1996 Installing the Model 3551 DSU Overview 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Before Y ou Begin 3-2 . . .
COMSPHERE 3550 Series Data Service Units 3-2 December 1996 3550-A2-GB20-20 Before Y ou Begin The COMSPHERE 3000 Series Carrier should already be installed properly and be operational, with a functioning shared diagnostic control panel (SDCP). An SDCP (installed in the carrier) is required for installation and maintenance of the Model 3551 DSU.
Installing the Model 3551 DSU 3-3 3550-A2-GB20-20 December 1996 Figure 3-1. Model 3551 DSU Switch and Jumper Locations T able 3-1 Model 3551 DSU Switch Settings Switch Position Switch Setting Function S1-1 ON (default) Permissive V .32 DBM transmit output level of –9 dBm S1-1 Off Programmable V .
COMSPHERE 3550 Series Data Service Units 3-4 December 1996 3550-A2-GB20-20 T able 3-2 Model 3551 DSU Jumper Straps Strap Designation State of Jumper Strap Function J12 Left V .35 T est Mode Indication: Left — Enables V .35 T est Mode Indication (Pins 1 and 2).
Installing the Model 3551 DSU 3-5 3550-A2-GB20-20 December 1996 Installing the DSU The initial installation procedure for the Model 3551 DSU requires the installation of a rear connector plate onto the rear of the COMSPHERE 3000 Series Carrier (Figure 3-2).
COMSPHERE 3550 Series Data Service Units 3-6 December 1996 3550-A2-GB20-20 4. Using a Phillips screwdriver , loosen the screw holding the circuit pack lock and rotate the lock to the open position (Figure 3-3). Open the latch. 5. At the front of the carrier , hold the DSU vertically with the latch on its faceplate in the open position.
Installing the Model 3551 DSU 3-7 3550-A2-GB20-20 December 1996 7. At the rear of the carrier , connect the appropriate DTE interface cable (EIA-232-D or V .35) to the rear connector plate. For an EIA-232-D interface cable, connect the EIA-232-D cable to the top DTE connector on the rear connector plate.
COMSPHERE 3550 Series Data Service Units 3-8 December 1996 3550-A2-GB20-20 Power-Up Routine When power is applied, the DSU: • Determines what options (DBM or TDM/Flex) are installed, if any . • Runs a Device T est on itself and each of the installed options.
Installing the Model 3551 DSU 3-9 3550-A2-GB20-20 December 1996 Connecting to the DDS (or LADS) Network NOTE Before connecting the DSU to the DDS network, ensure that approved primary protectors have .
COMSPHERE 3550 Series Data Service Units 3-10 December 1996 3550-A2-GB20-20 T ributary DSU Addressing T ributary DSU addresses are user -definable, but take care to ensure that their addresses are unique on a multipoint circuit. If two tributaries ar e assigned the same addr ess, you will not be able to communicate with either one .
Installing the Model 3551 DSU 3-1 1 3550-A2-GB20-20 December 1996 T o Connect the SDCP to a DSU For the carrier -mounted Model 3551 DSU, the SDCP must first be reconnected to the DSU. Once connected, the SDCP operates like a DCP . . Procedure 1. Press the Select key (refer to Figure 3-2).
COMSPHERE 3550 Series Data Service Units 3-12 December 1996 3550-A2-GB20-20 Other T ests The following lists the tests available on your DSU. Refer to the T est Branch section of Chapter 4 for further test information, as well as more detail on how to configure and operate the DSU.
4-1 3550-A2-GB20-20 December 1996 Operating the DSU Overview 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DCP and SDCP Operation 4-2 . . . . . .
COMSPHERE 3550 Series Data Service Units 4-2 December 1996 3550-A2-GB20-20 Control Branch 4-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T ransmitter Control 4-19 .
Operating the DSU 4-3 3550-A2-GB20-20 December 1996 Select S D U 12 3 45 67891 0 1 1 1 2 1 3 1 4 1 5 1 6 SELECT KEY ST A TUS INDICA T O RS CARRIER SLOTS 1–16 F1 F2 F3 OK Alarm BckUp T est EC NETWORK.
COMSPHERE 3550 Series Data Service Units 4-4 December 1996 3550-A2-GB20-20 F1 F2 F3 • The key returns you to the top-level menu, and terminates any work in progress. • The key returns you to the previous display , one level up from the current display .
Operating the DSU 4-5 3550-A2-GB20-20 December 1996 Expanded Health and Status Expanded Health and Status ( Expan ) only appears during automatic dialing. It retrieves Health and Status information for the local DSU after an automatic backup attempt has failed, or when there is a disconnect after a successful connection.
COMSPHERE 3550 Series Data Service Units 4-6 December 1996 3550-A2-GB20-20 T able 4-1 Identity Descriptions Description Information Displayed Model: 3550 or 3551. S#: Unit serial number . DSU SW ver: Software/firmware version residing on DSU. Netwrk Addr: Unit’s network address.
Operating the DSU 4-7 3550-A2-GB20-20 December 1996 If the tributary DSU is to initiate the call , set the control for Cllbk and the tributary for Pswrd. External DBU Option Set (This option set will not appear if a DBM is installed.): • ExtBU – Select whether the external DBU will answer or place backup calls.
COMSPHERE 3550 Series Data Service Units 4-8 December 1996 3550-A2-GB20-20 T able 4-2 Backup Branch Menu Selections Current Backup Mode Backup Command Effect Idle Bkup Dial Dial out, establish, and switch to dialed link (Dial Backup mode). Dial out and establish dialed link (Standby mode).
Operating the DSU 4-9 3550-A2-GB20-20 December 1996 T est Branch The T est branch provides extensive testing capabilities for the DSU, the DDS circuit, the DBM (if installed), and the backup circuit. When the tributary DSU receives a test request from the control DSU, it aborts any locally initiated test in progress.
COMSPHERE 3550 Series Data Service Units 4-10 December 1996 3550-A2-GB20-20 NOTE T o issue a Local Loopback to a tributary DSU , the DSU must have a DBM installed or a Conflict w/ Environ message will appear . The DBM is required to call the tributary and abort the Local Loopback.
Operating the DSU 4-1 1 3550-A2-GB20-20 December 1996 T able 4-3 Digital T est Results Results Information Displayed T ime: Running test timer . (The Clr selection resets the timer to 0:00:00.) T ot Error: Running count of bits in error; Max, if the maximum error count has been reached, the maximum being 64000.
COMSPHERE 3550 Series Data Service Units 4-12 December 1996 3550-A2-GB20-20 T able 4-5 Bit Error Rate T est Results Results Information Displayed T ime: Running test timer . (The Clr selection resets the timer to 0:00:00.) T ot Error: Running count of bits in error; Max, if the maximum error count has been reached, which is 64000.
Operating the DSU 4-13 3550-A2-GB20-20 December 1996 6. Select the mode: • Enable Full Mode (F2) – All configuration options will be displayed. • Disable Full Mode (F3) – Only those configuration options likely to change will be displayed. When the selection is made, it is displayed on the first line of the LCD (e.
COMSPHERE 3550 Series Data Service Units 4-14 December 1996 3550-A2-GB20-20 5. Select Save (F1). The Save to screen appears. 6. Select Activ (F1). The selected application’ s configuration is saved to the DSU’ s Active operating area, and the Command Complete message appears.
Operating the DSU 4-15 3550-A2-GB20-20 December 1996 16. Select SA VE (F1). 17. Save to Activ (F1). Command Complete appears to confirm that the configuration is saved. Poll List The Poll List ( PList ) subbranch maintains or changes the DSU’ s poll list.
COMSPHERE 3550 Series Data Service Units 4-16 December 1996 3550-A2-GB20-20 T o delete a network address (e.g., 3) from the poll list: . Procedure F1 Chng P oll List: Activ Delet Skip F2 F3 1. Select Delet (F2). F1 Address: 3 Enter F2 F3 2. Select Enter (F3).
Operating the DSU 4-17 3550-A2-GB20-20 December 1996 Directory The DSU’ s dial backup Directory ( Dir ) can store up to ten telephone numbers (dial strings) so the DBM can call other DBMs or modems. Directory entries are numbered from 1 to 10. Each dial string in the directory can be up to 36 characters in length.
COMSPHERE 3550 Series Data Service Units 4-18 December 1996 3550-A2-GB20-20 10. Press the key to return to the Enter Dir screen. 11 . Press the F3 key to Save the entry . 12. V erify that the number was loaded by pressing the key again and selecting Load (F2).
Operating the DSU 4-19 3550-A2-GB20-20 December 1996 6. Select Save (F2). The DSU displays the address assigned along with a Command Complete message. If an error was made in entering the address: . Procedure 1. Press the key to return to the Configur e screen.
COMSPHERE 3550 Series Data Service Units 4-20 December 1996 3550-A2-GB20-20 T able 4-7 Lead States Symbol Meaning Off (below text line) ON (above text line) Changing ? Indicates an illegal value NOTES: Input leads A and B: Off ( ) when voltage on lead is less than +.
Operating the DSU 4-21 3550-A2-GB20-20 December 1996 Front Panel (DCP) Security NOTE This page can be removed to prevent unauthorized persons from learning about the security access levels and their selection.
5-1 3550-A2-GB20-20 December 1996 Configuring the Unit Overview 5-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using the DCP to Set Configuration Options 5-2 .
COMSPHERE 3550 Series Data Service Units 5-2 December 1996 3550-A2-GB20-20 Once loaded, the following Edit/Save submenu appears: F1 Edit / Save: SA VE DSU DBM F2 F3 Press the or key to scroll the foll.
Configuring the Unit 5-3 3550-A2-GB20-20 December 1996 Saving Configuration Options CAUTION Be extremely careful when saving configuration options to avoid saving them to the wrong location. T o save edited configuration options: . Procedure 1. From any configuration option in any option set, press the key to return to the Edit/Save submenu.
COMSPHERE 3550 Series Data Service Units 5-4 December 1996 3550-A2-GB20-20 F1 Edit / Save: SA VE DSU Diag F2 F3 F1 Chang Diag Opts: DSU DBM Gen F2 F3 F1 Diag T ype: Disr Next NonD Disr F2 F3 F1 Diag T.
Configuring the Unit 5-5 3550-A2-GB20-20 December 1996 F1 Port 1 DSU 9.6 T Local Remot F2 F3 This example is now complete. Configuration Option T ables This section contains a table for each option set that can be found under the Configuration (Confg) branch, in the order in which it appears in the menu.
COMSPHERE 3550 Series Data Service Units 5-6 December 1996 3550-A2-GB20-20 T able 5-1 (1 of 2) DSU Configuration Options Rate(Kbps): 9.6 Next 64L 56 38.4 19.2 9.6 4.8 2.4 Prev DSU Rate . Sets the data rate (in kbps) of the DSU, which must be set to match the speed of the digital (DDS) circuit.
Configuring the Unit 5-7 3550-A2-GB20-20 December 1996 T able 5-1 (2 of 2) DSU Configuration Options RxElasStor: Disab Next Enab Disab Prev Receive Elastic Store (only displayed when Full Mode is enabled). The DSU receives data using a receive data buf fer on the DSU’s received data (RXD) lead.
COMSPHERE 3550 Series Data Service Units 5-8 December 1996 3550-A2-GB20-20 T able 5-2 Diagnostic (DSU) Configuration Options Diag T ype: Disr Next NonD Disr Mixed None Prev Diagnostic T ype . This configuration option defines the diagnostic interaction between control and tributary DSUs.
Configuring the Unit 5-9 3550-A2-GB20-20 December 1996 T able 5-3 Diagnostic (DBM) Configuration Options Diag T ype: Disr Next NonD Disr Mixed None Prev Diagnostic T ype . This configuration option defines the diagnostic interaction between control and tributary DSUs that are in backup.
COMSPHERE 3550 Series Data Service Units 5-10 December 1996 3550-A2-GB20-20 T able 5-4 Diagnostic (External DBU) Configuration Options Diag T ype: Disr Next Disr None Prev Diagnostic T ype . This configuration option defines the diagnostic interaction between control and tributary DSUs that are in backup using an external dial backup unit (DBU).
Configuring the Unit 5-1 1 3550-A2-GB20-20 December 1996 T able 5-5 (2 of 2) Diagnostic (General) Configuration Options T ribTimOut: 0:10 Next Chang Prev T ributary Time-out , specified in minutes and seconds (only displayed when any Diag T ype is set to NonD or Mixed, LinkConfig is set to M-Pt, and Full Mode is enabled).
COMSPHERE 3550 Series Data Service Units 5-12 December 1996 3550-A2-GB20-20 T able 5-6 (1 of 4) DBM Configuration Options Rate(Kbps): 9.6 Next 14.4 12.0 9.6 4.8 2.4 Prev DBM Rate . Sets the initial data rate (in kbps) of the DBM for backup calls over the dial circuit.
Configuring the Unit 5-13 3550-A2-GB20-20 December 1996 T able 5-6 (2 of 4) DBM Configuration Options Single Rate: Y es Next Y es No Prev Single Rate (only displayed when Full Mode is enabled). Determines whether the DBM will adjust its rate to resolve a rate mismatch with a remote DBM or modem with the following limitations.
COMSPHERE 3550 Series Data Service Units 5-14 December 1996 3550-A2-GB20-20 T able 5-6 (3 of 4) DBM Configuration Options Call Setup:None Next None Pswrd Cllbk Alarm Prev Dial Backup Call Setup (only displayed when Full Mode is enabled). Establishes the level of security for call setup attempts.
Configuring the Unit 5-15 3550-A2-GB20-20 December 1996 T able 5-6 (4 of 4) DBM Configuration Options V .13 Signl: Enab for MPTC and MPTT ; Disab for other configurations Next Enab Disab Prev V .13 Signaling (only displayed when Full Mode is enabled).
COMSPHERE 3550 Series Data Service Units 5-16 December 1996 3550-A2-GB20-20 T able 5-7 External DBU Configuration Options ExtBU: None Next Ansr Orig None Prev External Backup Unit . This feature allows dial backup for a DSU using an external dial backup unit (DBU).
Configuring the Unit 5-17 3550-A2-GB20-20 December 1996 T able 5-8 (1 of 4) General Configuration Options DTE Port: EIA232 Next EIA232 V .35 Prev DTE Port (not displayed when a TDM/Flex is installed and enabled). Selects the active DTE interface. EIA232 — Select when using the EIA-232 interface (connector).
COMSPHERE 3550 Series Data Service Units 5-18 December 1996 3550-A2-GB20-20 T able 5-8 (2 of 4) General Configuration Options LSD Lead: Std Next Std Delay FrcOn Prev Line Signal Detect Lead (only displayed when Full Mode is enabled). Controls behavior of the LSD lead.
Configuring the Unit 5-19 3550-A2-GB20-20 December 1996 T able 5-8 (3 of 4) General Configuration Options LL by DTE: Disab Next Enab Disab Prev Local Loopback by DTE (only displayed when Full Mode is enabled). Controls the use of Pin 18 of the EIA-232-D/V .
COMSPHERE 3550 Series Data Service Units 5-20 December 1996 3550-A2-GB20-20 T able 5-8 (4 of 4) General Configuration Options DTR Alarm: Disab Next Enab Disab Prev Data T erminal Ready Alarm (only displayed when Full Mode is enabled, and a TDM/Flex is not installed).
Configuring the Unit 5-21 3550-A2-GB20-20 December 1996 T able 5-9 (1 of 2) Backup Configuration Options Auto Bckup:Disab Next Enab Disab Prev Automatic Backup (only displayed when a DBM is installed, or an external DBU is configured to originate backup).
COMSPHERE 3550 Series Data Service Units 5-22 December 1996 3550-A2-GB20-20 T able 5-9 (2 of 2) Backup Configuration Options RestorT imOut: 5m Next Chang Prev Restoration Time-out (only displayed when Full Mode is enabled). Specifies the length of time the DDS network must be back in service before automatic restoration is attempted.
Configuring the Unit 5-23 3550-A2-GB20-20 December 1996 T able 5-10 MUX (Setup) Configuration Options MUX Funct: Disab for MPTC; Enab for all other configurations Next Enab Disab Prev TDM/Flex Function . Enables or disables the TDM/Flex. Enab — Select when you want to enable the TDM/Flex and perform multiplexing.
COMSPHERE 3550 Series Data Service Units 5-24 December 1996 3550-A2-GB20-20 T able 5-1 1 (2 of 5) MUX (Port) Configuration Options* Async Rate: =Sync Next =Sync 1800 1200 600 300 150 Prev Asynchronous Rate . Specifies the rate of an asynchronous port.
Configuring the Unit 5-25 3550-A2-GB20-20 December 1996 T able 5-1 1 (3 of 5) MUX (Port) Configuration Options* TxCarrSel: Const Next Const Cntrl Prev T ransmitter Carrier Select (only displayed when Full Mode is enabled). Enables the TDM/Flex transmitter circuitry to simulate switched-carrier operation (using the V .
COMSPHERE 3550 Series Data Service Units 5-26 December 1996 3550-A2-GB20-20 T able 5-1 1 (4 of 5) MUX (Port) Configuration Options* Elast Stor: Disab Next Enab Disab Prev Elastic Store (only displayed when Full Mode is enabled). Elastic Store hardware consists of a transmit buf fer (register).
Configuring the Unit 5-27 3550-A2-GB20-20 December 1996 T able 5-1 1 (5 of 5) MUX (Port) Configuration Options* * The menu paths for Prt1 and Prt2 are identical. T able 5-12 Port Speed (DSU) Configuration Options Prt1( 9.6): 9.6 Next 64 56 48 19.2 9.6 4.
COMSPHERE 3550 Series Data Service Units 5-28 December 1996 3550-A2-GB20-20 T able 5-13 Port Speed (DBM) Configuration Options Prt1( 9.6): 9.6 Next 14.4 56 12.0 9.6 4.8 2.4 1.2 Disab Prev Port 1 Speed . Primary data rate in kbps on Port 1. (Must be set to the same value in the remote DBM.
Configuring the Unit 5-29 3550-A2-GB20-20 December 1996 T able 5-14 Port Speed (External DBU) Configuration Options Prt1( 9.6): 9.6 Next 64 56 48 28.8 19.2 14.4 9.6 4.8 2.4 1.2 Disab Prev Port 1 Speed . Primary data rate in kbps on Port 1. (Must be set to the same value in the external DBU.
A-1 3550-A2-GB20-20 December 1996 DSU Menu Overview A-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Menu Structure A-1 . . . . . . . . . . . . . . .
COMSPHERE 3550 Series Data Service Units A-2 December 1996 3550-A2-GB20-20.
DSU Menu A-3 3550-A2-GB20-20 December 1996.
COMSPHERE 3550 Series Data Service Units A-4 December 1996 3550-A2-GB20-20 Continued fr om Page A-1 . Press a function key to select one of the following branches: • Local branch • Remote branch – Only available to a DSU configured as a control or a point-to-point tributary .
B-1 3550-A2-GB20-20 December 1996 Configuration W orksheets Overview B-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instructions B-1 . . . . . . .
Model 3550 or 3551 DSU Configuration Worksheet (1 of 2) (Full Menu Mode: Enabled) Date:_______________________________________________ Location:____________________________________________ Local Phone.
Model 3550 or 3551 DSU Configuration Worksheet (2 of 2) (Full Menu Mode: Enabled) Backup V alue Auto Bckup Enab, Disab Backup Dir (Chang) (1–10) FacAlOnCMI Enab, Disab AutoRestor Enab, Disab NtwkT i.
Model 3550 or 3551 DSU Configuration Worksheet (1 of 2) (Full Menu Mode: Disabled) Date:_______________________________________________ Location:____________________________________________ Local Phon.
Model 3550 or 3551 DSU Configuration Worksheet (2 of 2) (Full Menu Mode: Disabled) MUX (Setup) V alue MUX Funct Enab, Disab Share DevA Enab, Disab Port Cntrl Host, DSD Hardware Straps V alue DDS Inter.
C-1 3550-A2-GB20-20 December 1996 Status Indicators and Control Panel Messages Overview C-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Status Indicators C-1 .
COMSPHERE 3550 Series Data Service Units C-2 December 1996 3550-A2-GB20-20 T able C-1 DSU Status Indicators Label Color Description OK Green Health and status indicator: DSU operation is normal. (The DSU has not detected any of the faults listed under Alrm, below .
Status Indicators and Control Panel Messages C-3 3550-A2-GB20-20 December 1996 Control Panel Messages This section shows the screen format of messages appearing on the control panel and describes the various messages. Three types of messages are included: health and status, progress, and error messages.
COMSPHERE 3550 Series Data Service Units C-4 December 1996 3550-A2-GB20-20 T able C-3 (2 of 3) Device Health and Status Messages Message Condition Dial T one:Fail Dial tone test was enabled and test failed.
Status Indicators and Control Panel Messages C-5 3550-A2-GB20-20 December 1996 T able C-3 (3 of 3) Device Health and Status Messages Message Condition MUX Device Fail Internal failure in the TDM/Flex is detected. MUX CommunicFail No reply from TDM/Flex.
COMSPHERE 3550 Series Data Service Units C-6 December 1996 3550-A2-GB20-20 T able C-4 Expanded Health and Status Messages Message Condition Dial Attempt: nn The number ( nn ) of failures of dialing attempts since failure of private-line service.
Status Indicators and Control Panel Messages C-7 3550-A2-GB20-20 December 1996 T able C-5 Subnetwork Health and Status Messages Message Condition Devic TDM/Flex only: Device Failure. One of the following major alarms is in ef fect: Configuration Corrupt Device T est Failure MUX Device Failure DialBU Dial BackUp mode.
COMSPHERE 3550 Series Data Service Units C-8 December 1996 3550-A2-GB20-20 Progress Messages T able C-6 describes the command progress messages, and T able C-7 describes the dial backup progress messages. T able C-6 Command Progress Messages Message Condition Please wait .
Status Indicators and Control Panel Messages C-9 3550-A2-GB20-20 December 1996 Error Messages T able C-8 describes the command error messages, T able C-9 describes the dial backup error messages, and T able C-10 describes the TDM/Flex error messages.
COMSPHERE 3550 Series Data Service Units C-10 December 1996 3550-A2-GB20-20 T able C-9 Dial Backup Error Messages Message Notify NMS 1 Condition Action DBM: Busy Ye s T elephone line associated with remote DBM is busy . Try again. T ry another number if possible, or investigate why the line is busy .
Status Indicators and Control Panel Messages C-1 1 3550-A2-GB20-20 December 1996 T able C-10 (1 of 3) TDM/Flex Error Messages Message Condition Action All Async >Aggr All ports of the TDM/Flex are .
COMSPHERE 3550 Series Data Service Units C-12 December 1996 3550-A2-GB20-20 T able C-10 (2 of 3) TDM/Flex Error Messages Message Action Condition Invalid timing A TDM/Flex port (Prt1 or Prt2) was previously selected as the source of external timing when the TDM/Flex was enabled.
Status Indicators and Control Panel Messages C-13 3550-A2-GB20-20 December 1996 T able C-10 (3 of 3) TDM/Flex Error Messages Message Action Condition Sync >Async Req The port’s asynchronous rate setting requires that more capacity (bandwidth) be allocated to the port.
D-1 3550-A2-GB20-20 December 1996 Pin Assignments Overview D-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overview Pin assignments for the 3550 Series DSU connectors and interfaces are included here.
COMSPHERE 3550 Series Data Service Units D-2 December 1996 3550-A2-GB20-20 T able D-1 Model 3550 – Digital (DDS) Network 8-Pin Cable Connector Pin Assignments Pin Circuit Function 1 R1 T ransmit dat.
Pin Assignments D-3 3550-A2-GB20-20 December 1996 T able D-3 3600 Hubbing Device Pin Assignments Pin # Signal Name Input/Output 1 +5 Vdc Input 2 DCOSD/CCIRD Input 3 Signal Ground Ground 4 DCORD/CCISD .
COMSPHERE 3550 Series Data Service Units D-4 December 1996 3550-A2-GB20-20 Figure D-3. Model 3551 DSU 25-Pin EIA-232/25-Pin V .35 Rear Connector Plate (3000-F1-021).
Pin Assignments D-5 3550-A2-GB20-20 December 1996 T able D-5 EIA-232/V .24 Connector Pin Assignments Pin Circuit Name Function Pin EIA-232 CCITT Function 2 BA 103 Transmit Data (TXD) 3 BB 104 Received.
COMSPHERE 3550 Series Data Service Units D-6 December 1996 3550-A2-GB20-20 Figure D-4. V .35 Interconnect Cable (3000-F1-510).
Pin Assignments D-7 3550-A2-GB20-20 December 1996 T able D-6 V .35 Connector Pin Assignments 25-Pin Connector (Rear Connector Plate) 34-Pin Connector (V .
COMSPHERE 3550 Series Data Service Units D-8 December 1996 3550-A2-GB20-20 Figure D-5. EIA-232-D Crossover Cable (4951-035F).
Pin Assignments D-9 3550-A2-GB20-20 December 1996 Figure D-6. V .35 Crossover Cable (321 1-178F).
E-1 3550-A2-GB20-20 December 1996 Application Configurations Overview E-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Point-to-Point Applications E-1 .
COMSPHERE 3550 Series Data Service Units E-2 December 1996 3550-A2-GB20-20 Figure E-1. Point-to-Point Application Configurations with Internal and External V .
Application Configurations E-3 3550-A2-GB20-20 December 1996 Multipoint Applications Model 3550 and Model 3551 DSUs also provide high-speed multipoint circuit support. The network can be controlled from the DSU’ s control panel or a 6700 Series NMS.
F-1 3550-A2-GB20-20 December 1996 Equipment List Equipment Feature/Part No. G = Factory Install. F = Field Install. Comcode Model 3550 Standalone DSU With V .32 bis 14.4 kbps DBM With 2-port TDM/Flex Model 3551 Carrier-Mounted DSU (includes rear connector plate) Without Options With V .
COMSPHERE 3550 Series Data Service Units F-2 December 1996 3550-A2-GB20-20 Equipment Comcode Feature/Part No. G = Factory Install. F = Field Install. Model 3550 Dial (PSTN) Network Interface Cables T .
Equipment List F-3 3550-A2-GB20-20 December 1996 Equipment* Part Number Field Service Spares For Model 3550 DSU 2-Port TDM/Flex For Model 3551 DSU For Model 3550/3551 V .32 bis14.4 kbps DBM DBM Core Line-Interface 870-1858-8001 870-1871-8001 870-1859-8001 102-0144-0031 870-1571-8000 Rear Connector Plate – 25-Pin EIA-232/25-Pin V .
COMSPHERE 3550 Series Data Service Units F-4 December 1996 3550-A2-GB20-20 Equipment * Part Number Model 3550 Digital (DDS) Network Interface Cable – RJ48S Network Cable (14 i cord included with 355.
Glossary-1 3550-A2-GB20-20 December 1996 Glossary active cor e The core that is transmitting data. For example, the DBM is the active core when the unit is in Backup mode. Advanced Diagnostic pr otocol (ADp) The network management protocol used by the COMSPHERE 6700 Series NMS.
COMSPHERE 3550 Series Data Service Units Glossary-2 December 1996 3550-A2-GB20-20 CCITT The International Consultative Committee for T elegraphy and T elephony , a committee of the International T elecommunication Union (ITU). clamping A function of the DSU that forces the output signal to go low (Of f) and causes the DSU to ignore input signals.
Glossary Glossary-3 3550-A2-GB20-20 December 1996 Device T est (Devic) A test that uses an internal test pattern generator built into the DSU to verify that the DSU (or DBM) is working properly . The generator sends a test message to the device’ s transmitter , where it is looped back to the device’ s receiver .
COMSPHERE 3550 Series Data Service Units Glossary-4 December 1996 3550-A2-GB20-20 error ed second A performance measurement reported during Digital T est or T ransmit T est Pattern that is defined as a second in which at least one error has been detected.
Glossary Glossary-5 3550-A2-GB20-20 December 1996 multipoint circuit A data network circuit that uses multipoint transmission and consists of one control with multiple tributaries.
COMSPHERE 3550 Series Data Service Units Glossary-6 December 1996 3550-A2-GB20-20 session disruptive Application data may be disrupted when running a test, or running the test may cause the application session to be dropped or terminated. The result depends upon the front-end processor , the time-out parameters, etc.
Index-1 3550-A2-GB20-20 December 1996 Index A Abort selective, 4-9 subnetwork, 4-9 abort, selective, subnetwork, 4-9 Abort Call failure message, C-6 AC power , requirements, 1-4 Active message, DBM, C.
COMSPHERE 3550 Series Data Service Units Index-2 December 1996 3550-A2-GB20-20 C cable crossover EIA-232-D, figure, D-8 V .35, figure, D-9 EIA-232, connecting Port 2, 2-1 1 V .
Index Index-3 3550-A2-GB20-20 December 1996 D data rates DSU, 1-6 V .32 DBM, 1-7 DBM Aggreg Exceeded error message, C-1 1 Answering message, C-8 Busy error message, C-10 Call Aborted error message, C-.
COMSPHERE 3550 Series Data Service Units Index-4 December 1996 3550-A2-GB20-20 Dir Empty , DBM error message, C-10 directory dial backup, 4-17 entry , and password characters, 4-18 Disab message, C-7 .
Index Index-5 3550-A2-GB20-20 December 1996 F Fac Alarm, C-4 FacAlOnCMI, 5-21 faceplate, Model 361 1, 4-3 Facil message, C-7 Facility Alarm, C-2 Fail message, C-6 FCC, 1-4 feature number , F-1 feature.
COMSPHERE 3550 Series Data Service Units Index-6 December 1996 3550-A2-GB20-20 leads external, 4-19 changing, 4-19 displaying, 4-19 reporting external changes to NMS, 4-20 states, 4-20 LED, light-emitting diode, 1-2 LEDs, 4-19 line communication DSU, 1-6 V .
Index Index-7 3550-A2-GB20-20 December 1996 NMS compatibility , 1-5 connection, figure, 2-6 control, 1-1, 1-3 DBM test, initiator , C-3 DSU test, initiator , C-4 network connection, 3-8 port test, initiator , C-5 support, 1-8 No 1.
COMSPHERE 3550 Series Data Service Units Index-8 December 1996 3550-A2-GB20-20 Prt Disable message, C-5 Prt StreamT erm message, C-5 Prt1, 5-27, 5-28, 5-29 Prt2, 5-27, 5-28, 5-29 PrtSp(Kbps), 5-6, 5-12 PSTN, connecting, 2-5 PSTN network connection, 2-6 PTPC, 4-13 PTPT , 4-13 R rate adaption, 1-1 data DSU, 1-6 V .
Index Index-9 3550-A2-GB20-20 December 1996 Subn, 4-4, 4-5, 4-9 subnetwork, 4-5 health and status, 4-5 messages, C-7 Subnetwork Alarm, C-2 SubnetwrkAlarm message, C-5 Sub-normal Speed message, C-5 Sub.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Paradyne 3551 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Paradyne 3551 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Paradyne 3551, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Paradyne 3551 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Paradyne 3551, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Paradyne 3551.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Paradyne 3551. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Paradyne 3551 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
