Avaya Definity SI Maintenance Manual page 116

Routine Maintenance Procedures
1. Power down AUDIX and any other circuit pack that might be running an
application (for example, MAPD, TN802 may be running the Internet
trunking application on Windows NT
2. Power down the cabinet.
3. Make sure you are wearing a ground strap.
4. Release both latches on the power supply and slide the unit out of the
cabinet.
5. Before replacing the new power supply, ensure that the ring generator slide
switch on the bottom of the unit is set to the appropriate frequency
5-1):
Table 5-1. 1217A power supply ring outputs
Frequency
20 Hz. (position as
shipped from vendor)
25 Hz.
6. Slide the unit into the slot and ensure that both latches snap closed.
7. Power up the cabinet.
8. Observe that the yellow LED is lit continuously.
9. If the yellow LED flashes, this indicates a power fault. See
''Troubleshooting power
5-12 Issue 4 May 2002
TM
).
Application Output voltage
North America 85V AC
International
International 72V AC
units''.
(Table
Current
0 - 180 mA
0 - 180 mA
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