Signaling Interface Pin Layout - Cisco 3545 PRI Installation And Upgrade Manual

Serial Gateway Cable Connections and Pin-outs
Table 2-8
Signal Name
Digit Signal Circuit 1
Digit Signal Circuit 2
Digit Signal Circuit 4
Digit Signal Circuit 8
Receive Common
Send Common
Data Link Occupied

Signaling Interface Pin Layout

This section illustrates the pin layout for the serial gateway signaling cable connector.
DB-25 Connector
Figure 2-19
Figure 2-19
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Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Releases 5.6 and 5.7
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Serial Gateway Signaling Interface Cable Pin-out (continued)
Mnemonic
NB1
NB2
NB4
NB8
RC
SC
DLO
shows the DB-25 pin layout.
DB-25 Pin Layout
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Chapter 2 Installing the Cisco Unified Videoconferencing 3545 Gateway
RS-366 (DB-25)
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