Avaya MCC1 Installation And Upgrades page 384

Install and Connect SCC1 (Single-Carrier Cabinets)
Task List: Connect the cabinet grounds on the J58890R DC Power Cabinet and the Single-Carrier Cabinets
Set the Ringer Frequency
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CAUTION:
When adding or replacing any hardware, be sure to ground yourself against electrostatic
discharge (ESD) by wearing a grounded wrist strap.
The default ringer frequency setting on the 1217A power supply for North America is 20 Hz and the
international setting can be either 20 Hz or 25 Hz. To set the ringer frequency on the 1217A power
supply:
1
Power down AUDIX and any other circuit pack that might be running an application.
2
Power down the cabinet.
3
Release both latches on the power supply and slide the unit out of the cabinet.
4
Observe the ring frequency switch label on the side of the power supply and locate the switch on
the bottom.
5
Set the ring frequency select switch to the appropriate frequency setting.
6
Slide the power supply back into the slot and ensure that both latches snap closed.
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Connect the Power Cord into the Power Receptacle
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1
Provide one receptacle per Single-Carrier Cabinet.
2
Verify the circuit breakers are OFF.
3
Plug the cabinet AC power cord into the AC power receptacle on the rear of each cabinet.
4
Plug the opposite end of each AC power cord into the appropriate AC power receptacle in the
equipment room.
NOTE:
Loop the excess cord and tie wrap it to the back cover to prevent accidental unplugging.
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384 SI Installation and Upgrades
June 2004