Remote terminal power supply module (rtpsm) – ZyXEL Communications Multi-service Access Platform MSAP2000 User Manual
Page 117

7. Product Specification
MSAP2000 Technical Manual V3.0
7-10
7.5. Remote Terminal Power Supply Module (RtPSM)
Overview
The Remote Terminal Power Supply Module (RtPSM) provides ring
power for remote FXS, and FXS-P. If the COT has FXS, FXS-P
modules installed, an RtPSM module will need to be installed upon the
same Shelf as well.
An additional RtPSM can be installed on the same shelf, to provide 1+1
power redundancy support.
Features
And
Benefits
LEDs on the front panel indicate the RtPSM status, fault occurrences,
and fuse status.
Circuit protection for low input voltage and output over currents
Over current protection for input and output interfaces.
Automatic protection against over-temperature occurrence.
Test connection port located on the Front Panel.
Digital control and Alarm Reporting.
Function
Diagram
Application
RtPSM shall be used as the Power supply in those shelves that
FXS/FXS-P are installed for the RING voltage generation.
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