User's Manual

MC-Series System Installation & Testing
Installation
RadioFrame Networks, Inc. 45
4.6.3 GPS Surge Arrestor
Follow Nextel’s procedure for installing GPS equipment at the site. Then complete the following
procedure:
1 Install the two RFN-provided GPS surge arrestors at the top of the rack as shown in the
previous diagram.
NOTE: Make sure the element on the side of the surge arrestor is accessible, depending on
the site configuration.
2 Connect the cable from GPS surge arrestor to the primary iSC-3, rear port GPS.
(P/N820-0620-00; GPS-ISC to GPS_1 TOR).
3 Connect the cable from the second GPS surge arrestor to the secondary iSC-3, rear port
GPS (P/N820-0620-00; GPS-ISC to GPS_2 TOR).
4 Connect each GPS surge arrestor to the GPS antenna coax according to Nextel’s installation
procedures.
4.6.4 EAS Alarm Cabling
1 Follow Nextel’s procedure for routing the two 50-pair alarm cables through the top of the
cabinet, as shown in the previous (top-of-the-rack) illustration.
2 Connect the two 50-pair alarm cables to the back of the EAS:
EAS: USER ALARM / CONTROL
EAS: SYSTEM ALARM / CONTROL
3 Terminate the two 50-pair alarm cables to the two blocks on the backboard, making sure that
each cable is connected to its specific block.
4.6.5 RF (Tx / Rx / Rx diversity)
The MC-Series System cabinet provides the following RF loads at the top of the rack for
connection to the site RF distribution system:
• Tx 1, Tx 2, Tx 3
• Rx 1, Rx 2, Rx 3
• DIV 1, DIV 2, DIV 3
1 Connect the female N-type connectors to the onsite RF distribution system (antenna, DAS,
etc.).