Compatible Systems Octal V.35 - 10/100 RIOP Instruction Manual download pdf (Page 45)

ATLAS 800 Series System Manual Option Module Pinouts

Engineering Guidelines

T3 Drop and Insert Option Module

Using the provided RG-59, 75-Ohm cables (P/N 3125I054), each T3 Drop and Insert Option Module

(P/N 1200225L1) provides BNC connectors for primary and secondary transmit and receive connections

(see Pinout 25

Dual Video Option Module

The Dual Video Option Module (P/N 4200773Lx) provides a standard RS-366 dialing interface (DB-25)

and a DTE interface (provided through adapter cables). Pinout 26 shows the RS-366 dialing interface and

Pinouts 27 through 29 on the following pages show pinouts for the other available interfaces.

Pinout 25. T3 Drop and Insert Module (BNC pair, female)

Name Description

Primary RX IN Primary receive data from the network, 75 ohms ± 5%, unbalanced

Primary TX OUT Primary transmit data to the network, 75 ohms ± 5%, unbalanced

Secondary RX IN Secondary receive data from the network, 75 ohms ± 5%, unbalanced

Secondary TX OUT Secondary transmit data to the network, 75 ohms ± 5%, unbalanced

Pinout 26. Dual Video Module (RS-366, DB-25)

Pin Name Description Pin Name Description

1 Shield Shielded Ground Connection 14 NB1 Digit Signal Circuit 1

2 DPR Digit Present 15 NB2 Digit Signal Circuit 2

3 ACR Abandon Call and Retry 16 NB4 Digit Signal Circuit 4

4 CRQ Call Request 17 NB8 Digit Signal Circuit 8

5 PND Present Next Digit 18 RC Receive Common

6 PWI Power Indication 19 SC Send Common

7 SG Signal Ground 20-21 Unused n/a

8-12 Unused n/a 22 DLO Data Link Occupied

13 DSC Distant Station Connection 23-25 Unused n/a

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 380 381

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Compatible Systems Octal V.35 - 10/100 RIOP Instruction Manual Page 45