C H A P T E R 4
Cable Connections and Pin-outs
This section describes the following topics:
•Unit
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•Circuit Switch Network Port, page
•ISDN Port, page
Unit RS-232 9-Pin Serial Port
Table
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Pin | Function | I/O | |
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1 | NC |
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2 | RXD | Input | |
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3 | TXD | Output | |
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4 | NC |
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5 | GND |
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6 | NC |
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7 | NC |
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8 | NC |
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9 | NC |
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Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.5
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