Powering Up A Multiservice Switch 7440 - Nortel Multiservice Switch 7400 Installation & Maintenance

Powering up a Multiservice Switch 7440

Power up a Nortel 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
Step
1
2
3
4
5
6
Copyright © 2005, Nortel
- 328 -
Hardware procedures
CAUTION
Risk of equipment damage
You can damage equipment if you power up a device before you
have met the prerequisites listed in
Action
Connect and wear the antistatic wrist strap.
Make sure that all power supply controls are in the standby position. See the
figure Multiservice Switch 7440 power supply (page
Ensure that the CP in slot 0 and all FPs are engaged.
Toggle on the circuit breakers for the outlets that supply power to the device.
Verify that the LEDs on all power supplies are red.
Apply power to one of the power supplies by toggling its power control to the
on position. See Multiservice Switch 7440 power supply (page
The system does not supply power to the shelf if you turn on the power
before you install a CP. The power supply LED will remain red. If you are
using two power supplies, you must install at least one FP in addition to a
CP.
Nortel Multiservice Switch 7400
Hardware Installation, Maintenance, and Upgrade
NN10600-175 7.1S1 Standard
PCR7.1 and up October 2005
Prerequisites (page 326)
330).
330).
Nortel Confidential