Specifications
Table Of Contents
- AR Router Hardware Reference
- Copyright
- Contents
- Introduction
- Models Covered By This Reference
- Where To Find More Information
- Using Windows Terminal and Windows Hyperterminal
- Router Start-up
- Online Documentation
- AT-TFTP Server
- Memory
- AR300 Series Routers
- AR400 Series Routers
- AR700 Series Routers
- AT-RPS 740
- Mini Accelerator Cards (MACs)
- PCI Accelerator Cards (PACs)
- Flash Memory
- Interfaces
- Test Facility
- Cables And Loopback Plugs
- PICs and NSMs
- Restricted Procedures
- Contacting Us

Hardware Reference 57
C613-03058-00 REV A
LEDs
• AC power supply
• RPS fan fault
• Router PSU fault
• RPS PSU fault
• Main (router) fan fault
AC Power Supply
• Universal 110/240 VAC 50/60 Hz input
DC Output
•5V/6.5A
•12V/1.0A
• -12V/0.2A
LEDs
LEDs on the rear panel indicate the RPS’s operational status.
Table 25: AT-RPS 740 LEDs.
LED State Function
Power Green The RPS unit is receiving AC power and the
voltage is within an acceptable range.
RPS Fan Fault Amber The RPS is switched OFF.
Mains power to the RPS has failed.
An RPS fan has failed.
Off Normal operation.
Main PSU Fault Amber The corresponding router is switched OFF or its
PSU has failed.
Mains power to the router has failed.
The DC cable between the router and RPS is
not connected.
The RPS is supplying power to the router.
Off Normal operation.
RPS PSU Fault Amber The RPS is switched OFF or its PSU has failed.
Mains power to the RPS has failed.
The DC cable between the corresponding
router and RPS is not connected.
Off Normal operation.
Main Fan Fault Amber The DC cable between the corresponding
router and RPS is not connected.
A main router fan has failed.
Off Normal operation.