Chapter 2 Installing the Cisco Unified Videoconferencing 3545 Gateway

Serial Gateway Cable Connections and Pin-outs

Table 2-8

Serial Gateway Signaling Interface Cable Pin-out (continued)

 

 

 

 

 

Signal Name

 

Mnemonic

RS-366 (DB-25)

 

 

 

 

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

 

 

 

 

 

 

Signaling Interface Pin Layout

This section illustrates the pin layout for the serial gateway signaling cable connector.

DB-25 Connector

Figure 2-19shows the DB-25 pin layout.

Figure 2-19 DB-25 Pin Layout

1

14

2

15

3

16

4

17

5

18

6

19

7

20

8

21

9

22

10

23

11

24

12

25

13 157146

 

Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.6

2-26

OL-17011-01

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Image 46
Cisco Systems 3545 PRI, 3545 Serial manual Signaling Interface Pin Layout