
CHANNEL INTERFACE MODULE (CIM)
The CIM Audio Summation Personality Card sums the CIM card transmit and receive audio output from the external connections. This summation provides voice recording of a channel's audio. The audio is summed to require only one voice track of a logging recorder (see Figure
8.4.1 INTERNAL CONNECTIONS
1.Remove the jumpers on P33.
2.Plug the personality card into P33.
3.Connect the wire harness to the
4.Remove Q12 to ensure the
5.Plug the wire harness into the audio summation board.
8.4.2 EXTERNAL CONNECTIONS
The summed audio is outputted on the MA and MB external connections. The appropriate track of the logging recorder is then connected to the MA and MB lines.
8.4.3 ALIGNMENT PROCEDURE
Main Transmit
1.Determine the maximum level to be received by the ancillary equipment to be transmitted.
2.Select Test 1 (S5, open section 1, close sections 2, 3 and 4).
3.Reset the module, Press S2 and release.
4.Adjust R44 for
5.Select for normal operation (S5 all sections closed).
6.Reset the module, Press S2 and release.
Example: Microwave has
Main Receive
1.Determine the maximum transmit level that is sent by the ancillary equipment to the interface module.
2.Select Test 1 (S5, open section 1, close sections 2, 3 and 4).
3.Reset the module, Press S2 and release.
4.Insert an alignment tone
5.Adjust R41 to be
6.Select for normal operation (S5 all sections closed).
7.Reset the module, Press S2 and release.
Example: Microwave has +7 dBm max output. Apply