User's Manual
DCM000000104 Rev Q
4-1
Chapter 4
Remote Module
4 Introduction
This chapter contains specifications and information for the LinkNet Uniserv Unit RF-FIBER
Remote Modules.
4.1 Power for the Remote Module
The US remote module may be powered by any source of negative ground +28VDC power
capable of delivering 1 Ampere. This includes the optional single US remote module US-PS01
power supply.
4.2 Battery Backup of Remote Module
If the US remote module is being used without a battery it must be configured to NOT use a
battery. Without a battery the USU will shut down or reset with any disruption to the AC power.
When power is re-established the system will restart automatically. External batteries may be
connected using the CAB000000055 Battery Cable. The USU has a built-in battery charger that
will automatically recharge the attached battery.
Refer to DCM000000102 "Battery Backup Manual"
.
For Battery Backup purposes:
Vbat = 24 VDC Ic = 0.1 Ampere Id = 0.75 Ampere