
SYSTEM NETWORK MODULE (SNM)
Main Transmit
1.Determine the maximum level to be received by the ancillary equipment to be transmitted.
2.Set S5 for Test 1 (open section 1, close sections 2, 3 and 4).
3.Reset the module, Press S2 and release.
4.Adjust R44 for
5.Set S5 for Test 8 (open section 4, close 1, 2 and 3).
6.Reset the module, Press S2 and release.
7.Adjust R86 to be
8.Verify the level at J12 to be
9.Select for normal operation (S5 all sections closed). 10.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.Set S5 for Test 1 (open section 1, close sections 2, 3 and 4).
3.Reset the module, Press S2 and release.
4.Insert the maximum level determined in Step 1 using a 600 ohm audio oscillator into EQU port of J1. Otherwise, set the ancillary equipment to send the alignment tone to the interface module.
5.Adjust R41 to be
6.Close section 2 of S1.
7.Adjust R102 to be 0 dBm at TP8.
8.Set S5 for normal operation (all sections closed).
9.Reset the module, Press S2 and release.
Example: Microwave has +7 dBm maximum output, set J11 for
Secondary Transmit and Receive
Not used since the secondary line is not used.
SNM |
| SNM |
EA |
| EA |
EB |
| EB |
MA |
| MA |
MB |
| MB |
RXA+ |
| RXA+ |
RXA- |
| RXA- |
TXA+ |
| TXA+ |
TXA- |
| TXA- |
|
|
|
NOTE: This cabling is used within a single Switch or between Switches to allow Unique ID calls to occur.