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PES1900NR Operations Manual
Chapter 8. Powering the PES1900GI NR — 121
NOTE:
Larger-gauge wire may be used, but it might be difficult to install the larger size wire into the AC
plug, provided with the repeater.
DC Power Wiring
Two DC power sources are recommended for repeater operation.
•
A fixed 24-Volt DC Cell Site type power system.
•
A compact Back-Up Power System, BUPS 25/80 (Part Number: 250-1011-07), or equivalent.
DC Supply from a Fixed Cell Site Power Plant
If a fixed power plant provides DC power to the repeater, use the following procedure.
1. Connect the repeater to the DC power via a dedicated fuse or circuit breaker.
•
Use a 10-Amp fuse or circuit breaker for a single-channel system.
•
Use a 15-Amp fuse or circuit breaker for a two-channel system.
2. To plan for growth, wire the Primary cabinet to support future addition of a Growth Cabinet.
To support this growth, use #10 AWG stranded wire for power cables under 20 feet long, or a
larger wire gauge for runs of 20 feet or more. Consult your local or national electrical safety
codes, for the appropriate wire sizing.
3. Use ½ -inch flexible PVC conduit to bring the wire into the Repeater Entry Box, through the
left-most ½ -inch conduit knockout.
NOTE:
You must provide the junction box, from which the DC cable leads into the repeater.
Figure 105 and Figure 106 show the typical DC Entry Box layout, and the recommended
wiring.