ADTRAN 25 manual Test Emergency Transfer

SYSTEM TESTS

TEST EMERGENCY TRANSFER

Place the system in emergency transfer mode by turning power off (or remove the modular connector from the ETU). Place an outside call from each emergency transfer station.

1.At Cabinet 1, turn the power off using the rocker switch on the back or remove the modular connector from the ETU.

2.For ground start trunks, at an emergency transfer voice terminal, go off-hook. Press the ground start key, if so equipped.

3.For loop start trunks, go off hook at an emergency transfer terminal. You should hear dial tone.

4.Dial a incoming trunk wired for emergency service.

You should hear a ringback tone at the calling terminal and ringing at the called station. If a busy tone is heard, the call may be to the calling station

5.At the called station, go off-hook and verify transmission.

6.At both emergency transfer stations, go on-hook.

7.Repeat Steps 2 through 5 for each emergency transfer station, including the ones you have just rung, to ensure that you can place as well as receive a call from each.

8.At Cabinet 1, turn power on using the rocker switch on the back, or replace the modular connection into the ETU.

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