
INTELLIGENT DISPATCH MODULE (IDM)
Secondary Transmit and Receive
Not aligned since the IDM does not use FSK signaling.
12.5 PCM SUMMATION PERSONALITY CARDThe PCM Summation Personality Card sums multiple time slots on the PCM audio bus for the unselect audio for the
12.5.1 INTERNAL CONNECTIONS
1.Plug the personality card into J32.
2.Plug the personality card into the piggyback bus via J31.
3.Connect a wire harness to:
Rx PCM Primary U26, pin 13 (Blk) Master Clock U26, pin 9 (Wht) Master Sync U26, pin 7 (Red)
4.Connect the summed audio using a wire harness to
5.Remove Q12 to ensure the
6.Plug the wire harness into the audio summation board.
12.5.2 EXTERNAL CONNECTIONS
The summed audio output is on the MA and MB external connections. The unselect audio is then connected to the MA and MB leads.
12.5.3 ALIGNMENT PROCEDURE
1.Set CIM S5 to Test 9 (open section
2.Set IDM S5 to Test 9 (open section
3.Adjust R1 for +2.5 dBm at TP1 on the PCM Summation card.
4.Adjust R25 for
5.Set S5 on CIM and IDM (all closed).
6.Reset each module, Press S2 and release.