Service Manual

GSM-204-323
The outdoor power supply module (TOPSM)
31st Oct 01
Tech. 4–30
Technical Description: Horizon macro outdoor
CONTROLLED INTRODUCTION
68P02902W02-A
TOPSM pinouts
Table 4-6 lists the TOPSM pinout connections.
Table 4-6 TOPSM pin connections (29-way Elcon)
Pin
No
Signal/Description Pin
No
Signal/Description
1 +0 V output 16 Relay N/C
(TOPSM output healthy)
2 –55 V output 17 Relay N/O
(TOPSM mains input healthy)
3 Not connected 18 Not connected
4 Not connected 19 Not connected
5 Voltage trim 20 Not connected
6 Link enable input 21 Opto input
7 Not connected 22 Forced current share
8 Not connected 23 Not connected
9 Link enable output 24 Not connected
10 Not connected 25 Opto common
11 Not connected 26 Earth
12 Not connected 27 Not connected
13 +12 V auxiliary supply 28 AC input (neutral)
14 Not connected 29 AC input (live)
15 Relay common