Avaya MCC1 Installation And Upgrades page 521

External Alarm Connector Pinout
Pin Designation
26 Not Used
1 Not Used
27 Not Used
2 Not Used
28 Not Used
3 Not Used
29 Not Used
4 Not Used
30 Not Used
5 Not Used
31 Not Used
6 Not Used
32 Not Used
7 Not Used
33 RFA2 +
8 RFA2 -
34 ACF2 +
9 ACF2 -
35 BIF2 +
10 BIF2 -
36 BOD2 +
11 BOD2 -
37 Not Used
12 RXD
38 TXD
13 DTR
39 RS-232 GRD
14 DSR
SI Installation and Upgrades
June 2004
Definition
Rectifier Failure (positive)
Rectifier Failure (negative)
AC Failure (positive)
AC Failure (negative)
Battery Interface Failure (positive)
Battery Interface Failure (negative)
Battery On Discharge (positive)
Battery On Discharge (negative)
Receive Data
Transmit Data
Data Terminal Ready
RS-232 Ground
Data Set Ready
Install and Wire Telephones
Task List: Attendant Console Procedures
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