Comtech EF Data OMS11 - Manual (Page 54)

OMS11 1:1 Redundancy Switch Technical Specifications
TM133 – Rev. 1.1 7-1
Technical Specifications
7
7.0 Introduction
This section defines the technical performance parameters and specifications for the OMS11 1:1
Redundancy Switch.
7.1
General
Modes of Operation:
Auto, Manual, Remote
Configurations: Modem (Chain Switch)
Modem Switch Time: 50 msec Maximum
7.2
Monitor and Control
Operating parameters can be monitored and controlled via the RS232 Terminal port or the
RS485 RLLP control channel. The following modem parameters may be controlled and/or
monitored:
Parameters Monitored:
Mode, Modem, Power Supply Status, Internal Switch
Settings, Software Revision, Auto/Manual, Select A,
Select B
Parameters Controlled: Modem, Auto/Manual, Select A, Select B
7.3 Terrestrial Interfaces
RS422 & G703 Balanced
RS422 & G703 Unbalanced (Optional)
7.4
Modem Data Cables
CAR5902
G703 Balanced
CAR5918 RS422
7.5
Front Panel LED Indicators
Unit:
Power Supply 1
Power Supply 2
Switch Fault
Auto
Manual
Modem: Online A
Online B
Fault A
Fault B