394 Chapter 39 Hardware procedures
NN10600-175 6.1S2
Powering up a Multiservice Switch 7440
Power up a Nortel Networks Multiservice Switch 7440 after installing all
hardware and cabling.
Prerequisites
• install cabinet or device shelving
• install cooling unit equipment
• install power supplies (in standby mode)
• install termination panels, if required
• install customer-equipment cables, if required
• install control processors (CP) and function processors (FP) in the
disengaged position
• install card cables
• install power cords
• install external alarm cables (for cabinet installations only)
Procedure steps
1 Connect and wear the antistatic wrist strap.
2 Make sure that all power supply controls are in the standby position. See
the figure “Multiservice Switch 7440 power supply” (page 396).
3 Ensure that the CP in slot 0 and all FPs are engaged.
4 Toggle on the circuit breakers for the outlets that supply power to the
device.
5 Verify that the LEDs on all power supplies are red.
6 Apply power to one of the power supplies by toggling its power control to
the on position. See
“Multiservice Switch 7440 power supply” (page 396).
CAUTION
Risk of equipment damage
You can damage equipment if you power up a device
before you have met the prerequisites listed in
“Prerequisites” (page 399)
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