User's Manual

Field Replaceable Units High Power Wideband Radio Head (WRH-V)
4-6 044-05251 Rev A
The following units can be replaced in the field on-site by a qualified technician with experience maintaining
RF equipment:
❑ FON
❑ PSU
❑ WRH
FON
To replace a FON PCBA, follow the steps listed in Table 4-3. For details on cables and connectors, see
Chapter 2.
PSU
To replace a PSU, follow the steps listed in Table 4-4. For details on cables and connectors, see Chapter 2.
Figure 4-1 PSU Cable, Switch and Lable locations
CAUTION: Do not look into the end of any fiber optic cable. Be sure to cap fiber optic
cables to protect the connecting end from damage
NOTE
Verify ‘Fiberoptical’ classmark in the FON Status window is checked, otherwise FON will not be operational.
Classmarks are described in the OM-Online User Manual.
Table 4-3 FON Replacement Procedure
Step Action
1 Loosen all four locking screws on front of cabinet
2 Open WRH-V door and secure
3 Locate power connector on FON and remove connector from PCBA
4 Verify all cables on FON are labeled before disconnecting, then disconnect all cables.
5 Remove screws securing FON PCBA to FOU and remove PCBA
6 Replace FON PCBA in reverse order and apply power
7 Connect PC to OM Online port, login to FON and verify configuration and IP address.
8 Close WRH-V door and secure
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