Replace Power Supply; Remove The Dc Power Supply Module - Cisco NCS 540 Hardware Installation Manual

Replace Power Supply

The router provides a choice of two different power supplies:
• DC power—The DC power supply uses two-position terminal block-style connector with positive latching
• AC power—The AC power supply has an IEC 320-type power receptacle and a 15 Amp service connector.
You can install dual power supplies for redundancy.
Note Products that have an AC power connection are required to have an external SPD provided as part of the
building installation to comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility
and safety.
Caution Do not use interface module and power supply ejector handles to lift the chassis; using the handles to lift the
chassis can deform or damage the handles.
•
•
•
•

Remove the DC Power Supply Module

This section provides information about removing and replacing the DC power supply.
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
or securing, and labeled connections for +48V, GRD, -48V. The terminal block connector is of suitable
size to carry the appropriate AWG wire size to handle the input current of the power supply. No ON/OFF
switch is provided.
You can use standard right angle power cords with the AC power supply. The power supply includes a
power cord retainer. No ON/OFF switch is provided.
Remove the DC Power Supply Module, on page 61
Install the DC Power Supply Module, on page 62
Remove the AC Power Supply Module, on page 63
Install the AC Power Supply Module, on page 64
Cisco Network Convergence System 540 Large Density Routers Hardware Installation Guide
6
C H A P T E R
61