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Meridian Digital Telephone IP Adapter Installation and Administration Guide
177
October 2001
Connection pin-out tables
Admin (serial) connector pin-out table
Pin number
Signal name
I/O
Description
1
2
MMI-RXD
I
MMI RS-232C Receive Data
3
MMI-TXD
O
MMI RS-232C Transmit Data
4
5
Ground
I
Logic Ground
6
7
8
9