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Models 3151/3161 Interface Connections

B-73000-A2-GA31-80 December 1994

DSX-1 Port DTE Interface

This cable is typically supplied by a DTE vendor and is

a 22 AWG solid, individually shielded twisted pair cable

with drain wire (see Figure B-4). The cable connector is a

DB15 plug. Be sure to connect the shield ground only at

the DSU/CSU end as shown in Figure B-4 to prevent

ground loops. The DTE (DSX-1) interface connector is a

DB15-type socket connector (see Table B-3). Refer to the

Extrn DLB configuration option in the DTE Interface

Options section in Appendix B of the ACCULINK 315x

Channel Service Unit Operator’s Guide or the

ACCULINK 316x Data Service Unit/Channel Service Unit

Operator’s Guide for more information.

Figure B-4. DTE (DSX-1) Cable

Table B-3

DTE (DSX-1) Interface Connector (J3)

Signal

Pin Number

Receiver Tip from DTE 1

Receiver Ring from DTE 9

Transmitter Tip to DTE 3

Transmitter Ring to DTE 11

Relay Contact Sense Return 12

Relay Contact Sense 14

Shield Ground 2, 4

1 2 ... 95 96 97 98 99 100 101 102 103 104 105 ... 130 131

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Paradyne COMSPHERE 3000 Manual de usuario Pagina 100