Connecting Dc Power - Nortel Media Gateway 3500 Installation, Operation And Maintenance Manual

To connect the AC power to the terminals, take the next 9 steps:
1. If a UPS is included, verify that an AC power source with UPS is to be used (required
for redundant system configurations).
2. Verify that the circuit breaker in the electrical cabinet is sufficient to handle the power
requirements.
3. Verify that the PEM is set to either 115VAC (for the range of 90 to 135 VAC) or 230
VAC (for the range of 190 to 264 VAC) as your standards require. If not, use a
screwdriver to open the fuse cavity cap, remove and rotate the red fuse so that the
type you require is displayed through the cap's opening. (Refer to the figure above.)
4. Close the cap. (there should be a click).
5. Check that the switch is set to the off position (O).
6. Connect the standard power cable to the 3-prong socket on the rear panel.
7. Plug in the power cable into an earthed power outlet.
8. Turn the switch to the on position (I).
9. Check that the LED indicators of the various boards are lit according to 'Media
Gateway 3500 Boards' on page 25.
8.2.2

Connecting DC Power

Installation, Operation, Maintenance Manual 76
Media Gateway 3500
Document # LTRT-90704