User's Manual

MC-Series System Installation & Testing

Scheduled and Unscheduled Maintenance

RadioFrame Networks, Inc.

3 Remove the four fan mounting screws.

4 Replace the fan.

5 Install the four fan mounting screws.

NOTE: Install the finger guard so that the space is aligned vertically.

6 Connect the fan power cable.

7 Verify that the fan is working.

7.9.2 Replacing a Chassis: BIC, AIC, or RBS

7.9.2.1 BIC

Power down RFN equipment in the following order using circuit breakers on the PDU:

• BIC

• AIC

• RBS 1 (power down RBS 2 and RBS 3 if they are present)

• RF Shelves 1,2 and 3

2 Disconnect cabling from the back of the chassis to be replaced.

Refer to Appendix C Cabling Diagrams: 3-Sector Configuration and Appendix D Cabling

Diagrams: Omni Configuration.

For the BIC, disconnect the following cabling from the rear of the BIC only:

Index Part Number Disconnect From To Type

P_11 820-0614-00 BIC: power PDU: BIC power

G_13 820-0609-00 BIC: ground GND BAR ground

DAT_4* 111-0565-00 BIC: ERTM PORT 1 BIC: CRTC 10baseT - ISC UTP

DAT_5 111-0565-00 BIC: ERTM PORT 2 AIC: ERTM PORT 4 UTP