Paradyne 3551 User Manual

COMSPHERE3550 SERIES DATASERVICE UNITSMODELS 3550 AND 3551QUICK REFERENCEDocument No. 3550-A2-GL10-00

8Connecting the Model 3550 DSU to a DTEThe DSU’s rear panel has both a 25-pin EIA-232-D/V.24 connector and a 34-pin CCITTV.35 connector (used for hig

9Connecting the Model 3550 DSU’s Port 2For the EIA-232 cable, install as described above.For the V.35 cable, install the V.35 Interconnect Cable, the

10Table 2. Model 3551 DSU Switch SettingsSwitchPositionSwitchSettingFunctionS1 1ON(default)Permissive V.32 DBM transmit output level of –9 dBmS1-1Off

11Table 3. Model 3551 DSU Jumper StrapsStrapDesigna-tionState ofJumperStrapFunctionJ12 Left V.35 Test Mode Indication:Left — Enables V.35 Test Mode I

12Installing the Model 3551 DSUThe initial installation procedure for the Model 3551 DSU requires the installation of arear connector plate onto the

135. At the front of the carrier, hold the DSU vertically with the latch on its faceplate inthe open position. Then, insert the circuit card into the

147. At the rear of the carrier, connect the appropriate DTE interface cable (EIA-232-Dor V.35) to the rear connector plate. For an EIA-232-D interfa

15Connecting the Model 3551 DSU to the NMSA Model 3551 DSU is set up for network diagnostic connection through the shareddiagnostic unit (SDU), which

16To Connect the SDCP to a DSUFor the carrier-mounted Model 3551 DSU, the SDCP must first be reconnected to theDSU. Once connected, the SDCP operates

17Addressing the UnitA unique address must be assigned to each control and tributary DSU in your network.You can assign an address within the range o

Copyright  1999 Paradyne Corporation.All rights reserved.Printed in U.S.A.NoticeThis publication is protected by federal copyright law. No part of th

18Power-Up RoutineWhen power is applied, the DSU:H Determines what options (DBM or TDM/Flex) are installed, if any.H Runs a Device Test on itself and

19Configuration OptionsConfiguration options are accessed from the Configuration branch of the front panelmenu.In the following tables, factory defau

20Diagnostic GeneralConfiguration OptionsValuePosition Cntrl (PTPC, MPTC), Trib (PTPT, MPTT)LinkConfg Pt-Pt (PTPC, PTPT), M-Pt (MPTC, MPTT)Resp Perio

21GeneralConfiguration OptionsValueDTE Port EIA232, V.35RTS Cntrl FrcOn (PTPC, PTPT, MPTC), DTE (MPTT)CTS Cntrl Std, =RTS, Delay, FrcOnAntiStream  D

22MUX PortConfiguration OptionsValueDTE Port EIA232, V.35Async→Sync Enab, DisabAsync Rate =Sync, 1800, 1200, 600, 300, 150AsyncBit/Char 6, 7, 8, 9, 1

23!Important Safety Instructions1. Read and follow all warning notices and instructions marked on the product orincluded in the manual.2. This produc

24Notices!WARNING:                   

25advance notice is not practical, you will be notified as soon as possible. You will beadvised of your right to file a complaint with the FCC.If you

496-15149TM 1COMSPHERE 3550 SERIES DATA SERVICE UNITSMODELS 3550 AND 3551Quick ReferenceDocument Number 3550-A2-GL10-00January 1999Product Documentati

2Changing the Model 3550 DSU Hardware StrapsThe Model 3550 DSU has a switch located behind its diagnostic control panel (DCP).This switch contains tw

3Table 1. Model 3550 DSU Switch SettingsSwitch Position Switch Setting FunctionS1 1ON(default)Permissive V.32 DBM transmit output levelof –9 dBmS1-1O

4Installing the Model 3550 DSUBefore installing the DSU, label the circuit breaker that protects the ac wall outlet, andmake sure that it is set to O

5Connecting the Model 3550 DSU to the NMSA 3600 Hubbing Device is required to connect the control DSU to the 6700 Series NMS.When connected to the NM

6Connecting the Model 3550 DSU to the Dial Network (PSTN)If your DSU is equipped with a V.32 DBM, follow these steps. Procedure1. Plug either end of

7Connecting the Model 3550 DSU to the DDS (or LADS) NetworkNOTE:Before connecting the DSU to the DDS network, ensure that approved primaryprotectors