Installation Guide

Method of Procedure
Pre-Installation
36 RFN_3.1 Beta
System Unit Power
Output
Power Plant Rectifier Current
 20 Amperes/Rectifier for 100/120
VAC
 30 Amperes/Rectifier for 200/240
VAC
Output
Paralleling &
Hot Insertion
Each rectifier has an output o-ring diode
in the –48 VDC lead for the purpose of
paralleling and hot insertion in a working
system.
Battery 105ah; VRLA
3.3.5 Grounding
System Unit Grounding
Main Rack
 #2 AWG green-insulated copper wire between the main
rack and the master ground bar
 do not daisy-chain multiple equipment cabinet grounds
using a single ground wire
RadioFrame System NCU
 internal grounding (UL and CE safety certified)
 bonding point provided for protective earth grounding;
#8 screw with internal sems washer
ACU
 internal grounding (UL and CE safety certified)
 bonding point provided for protective earth grounding;
#8 screw with internal sems washer
iDEN Interface iSC-3 (1) #6 AWG ground wires are attached from the ground studs
on the rear of the iSC-3 to the cabinet ground bus bar
iSC-3 (2) #6 AWG ground wires are attached from the ground studs
on the rear of the iSC-3 to the cabinet ground bus bar
EAS #6 AWG ground wires are attached from the ground studs
on the rear of the EAS to the cabinet ground bus bar
CSU #6 AWG ground wires are attached from the ground studs
on the rear of the CSU to the cabinet ground bus bar
Power Plant Rectifier #6 AWG ground wires are attached from the ground studs
on the rear of the Rectifier to the cabinet ground bus bar
3.3.6 Environment
Operating Ambient Temperature System Unit Storage Temp
MIN MAX
RadioFrame System NCU* -40ºF to +158ºF
(-40ºC to +70ºC)
+32ºF (0ºC) +104ºF (+40ºC)
ACU* -40ºF to +158ºF
(-40ºC to +70ºC)
+32ºF (0ºC) +104ºF (+40ºC)