Table of Contents
Advertisement
Page 64 of 532
Table 9
M2317 trouble-locating procedures (Part 1 of 3)
Step
Action
Loop power failure
1
Plug in the telephone.
2
The LCDs flash once to indicate the power is OK.
Data communication failure
1
If voice communication is normal but data communication fails, check for DC output
voltage at the power supply connector pins or replace the power supply plug-in
transformer.
Attempt to make a data call from the terminal keyboard. Refer to "Meridian
Programmable Data Adapter" on
2
Make a call to the DN (voice or data) to verify that the port is enabled.
3
Use an EIA or RS-232 breakout box in conjunction with the terminal cable to verify
lead states and replace or repair cable if pinouts are incorrect.
Attempt to make a data call from the terminal keyboard. Refer to "Meridian
Programmable Data Adapter" on
4
Remove the transformer from the ac receptacle, unplug the 5-pin power supply
connector at the back of the telephone, and replace the data option circuit board. See
Procedure 22 on
Make a new attempt to start a data call. If trouble persists, continue with the ISDLC
failure procedure.
5
Use the self-test procedure to verify that the telephone electronics are operating
correctly.
553-3001-367
Standard 1.00
When the M2317 digital telephone or the data option fails to function properly,
follow the steps listed in Table 9 in sequence to isolate the problem area.
page
131. Reconnect the data option power supply.
October 2003
page
50. If not successful, proceed with Step 2.
page
50. If unsuccessful, proceed with Step 4.
Advertisement
Table of Contents
