Chapter 2 Installing the Cisco Unified Videoconferencing 3545 Gateway

Serial Gateway Cable Connections and Pin-outs

Signaling Interface Cable Pin-out Configuration

Table 2-8describes the signaling interface pin-out configuration for the serial gateway cables.

Table 2-8

Serial Gateway Signaling Interface Cable Pin-out

 

 

 

 

 

Signal Name

 

Mnemonic

RS-366 (DB-25)

 

 

 

 

 

Shield

 

1

 

 

 

 

 

 

Digit Present

 

DPR

2

 

 

 

 

 

Abandon Call & Retry

ACR

3

 

 

 

 

 

 

Call Request

 

CRQ

4

 

 

 

 

 

Present Next Digit

PND

5

 

 

 

 

 

Power Indication

PWI

6

 

 

 

 

 

 

Signal Ground

 

7

 

 

 

 

 

 

Distant Station

 

DSC

13

 

Connection

 

 

 

 

 

 

 

 

Digit Signal Circuit 1

NB1

14

 

 

 

 

 

Digit Signal Circuit 2

NB2

15

 

 

 

 

 

Digit Signal Circuit 4

NB4

16

 

 

 

 

 

Digit Signal Circuit 8

NB8

17

 

 

 

 

 

Receive Common

RC

18

 

 

 

 

 

 

Send Common

 

SC

19

 

 

 

 

 

Data Link Occupied

DLO

22

 

 

 

 

 

 

 

 

Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.5

 

 

 

 

 

 

OL-14912-01

 

 

2-25

 

 

 

 

 

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Cisco Systems 545 Serial manual Signaling Interface Cable Pin-out Configuration