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Installation Guide APC Silcon 480kW 400V UPS 57
6.5.2 Remote Display Installation
6.5.2.1 Connecting RS232C and Mains Adapter
6.5.2.2 Remote Display Power Supply
The remote display is supplied by normal AC power with no battery back-up. For UPS data
transmission to remote display to remain unaffected during power failure, the remote display
must be supplied from an uninterruptible power source.
Converters used to extend communication distance must also be supplied from uninterruptible
power sources.
6.5.2.3 Remote Display Cables
RS232C to RS232C cable:
Connect shield at one end only!
Rating: Refer to Local/National electrical codes.
Communication voltage +
15V
DC
CAUTION!
Wiring for alarm and signal circuit field to be rated 300V (minimum).
Rear view
Cable entry from bottom and rear
Rear view Front view
3. Mont back plate
4. Connect cables
1. Turn 180° to loosen
2. Remove front cover
Mains adapter
DP9-F
the 4 screws
X
APC Silcon, DB25-F
Remote Display, DB9-M