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Table 28
Troubleshooting M2000 Series Meridian Digital Telephones (Part 5 of 5)
Symptom
Note 1: If the pseudorandom pattern 511 data is idle, the telephone keypad dialing is
inoperative. Use the release key to clear this condition.
Note 2: If using an RS-232 cable to connect the MCA to an ADM3/5 terminal, be sure that pin
22 is disconnected.
Note 3: Change the baud rate before changing the mode from synchronous to asynchronous.
Note 4: Some terminals may drop DTR with the break. If this happens, RELEASE is not
displayed.
M2000 add-on modules
Solution
3
Make sure that the jumpers are placed on the pins on
the External Alerter Board as described in
Procedure 34 on
4
Ensure that the transformer is plugged in or the closet
power is connected.
5
Ensure that the power supply board is installed
properly.
page
180.
Telephones and Consoles
Page 191 of 532
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