Installation Guide

M0201AJG_uc CommScope ERA

Medium Power Carrier Access Point Installation Guide

Replacing the Power Supply Unit (PSU)

REPLACING THE POWER SUPPLY UNIT (PSU)

If the PSU fails, you can replace the module at the site. There are two PSU types, VAC and VDC.

Attention: Before starting any maintenance on the CAP M, read and observe the health and safety

information in the “Safely Working with ERA Hardware” on page 15, “Mount the CAP M” on page 33, and

the “Power the CAP M” on page 63 sections.

Replacing the VAC PSU

1 Switch off the circuit breaker supplying power to the CAP M.

2 Once you have confirmed that the power has been shut down, remove Mains power connector from the

unit.

3 Disconnect all remaining cables from the CAP M VAC device.

4 Unmount the CAP M VAC device. Reverse the steps in “Mount the CAP M” on page 33.

5 Place the device on a bench or table with the connectors on the right. The PSU will be in front.

Table 14. PSU Part Numbers

PSU Part

Number

Description CAP M Model Name

7772503-00 PSU, VAC in / 28Vdc out 7835269-000x CAP M 6/6/7E/7E

7841092-00 PSU, VDC in / 28Vdc out 7835269-000x CAP M 6/6/7E/7E

7658962-01 VAC in / 31.5Vdc out 7781125-000x CAP M 9/18/21/26

7820478-000x CAP M 7E/80-85/17E/19

7820689-000x CAP M 23/23/25/25

7833597-000x CAP M 8/18/21/26

7840984-000x CAP M 80-85/17E/19/26

7823360-00 VDC in / 31.5Vdc out 7781125-000x CAP M 9/18/21/26

7820478-000x CAP M 7E/80-85/17E/19

7820689-000x CAP M 23/23/25/25

7833597-000x CAP M 8/18/21/26

7840984-000x CAP M 80-85/17E/19/26

Danger: Electrical hazard. Danger of death or fatal injury from electrical current inside the unit in

operation. Before opening the unit, disconnect mains power.

Caution: The unit reaches high temperature in operation. Risk of burns by hot surface. Do not touch the

unit before it has sufficiently cooled down.