Chapter 2 Installing the Cisco Unified Videoconferencing 3545 Gateway
Serial Gateway Cable Connections and
Table | Serial Gateway Signaling Interface Cable | |||
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Signal Name |
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Digit Signal Circuit 1 | NB1 | 14 |
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Digit Signal Circuit 2 | NB2 | 15 |
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Digit Signal Circuit 4 | NB4 | 16 |
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Digit Signal Circuit 8 | NB8 | 17 |
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Receive Common | RC | 18 |
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Send Common |
| SC | 19 |
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Data Link Occupied | DLO | 22 |
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Signaling Interface Pin Layout
This section illustrates the pin layout for the serial gateway signaling cable connector.
DB-25 Connector
Figure 2-19 shows 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
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| Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.6 |