11 summary of specifications – Comtech EF Data CRS-200 REDUNDANCY SWITCH User Manual
Page 43
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CRS-200
COMTECH COMMUNICATIONS CORPORATION
CRS-200 REDUNDANCY SWITCH - OPERATIONS MANUAL PAGE 41
11 SUMMARY OF SPECIFICATIONS
Type
1:N protection system, N=10 maximum, bridging architecture, C161
control processor
Operating
Automatic switch to redundant modem (RM) based on modem alarms
Modes
Manual switch to RM
Manual parallel (bridging) of RM to any one of N traffic modems (TM)
Remove selected TMs from switch control
Programmable holdoff times for automatic switching (2-99 seconds)
Redundant
Any one of N traffic paths, both Transmit terrestrial data and Receive IF
Modem Signal
(Parallel operation, or bridging)
Source
IF Switching
Passive splitting and combining using carrier muting of offline modem
in a single up/downconverter system. Operation with CRS-280
Transponder Switch required for multiple up/downconverter system.
Switching Time Manual = 1 second if bridging selected TM, 6 seconds if not
Auto = 2 second if bridging selected TM, 7 seconds if not
Modem
25-pin ‘D’ type male, requiring male-female pin-to-pin cable with all
Interface
25 pins connected. All traffic, modem alarms and remote link with
switch are included on this interface.
Terrestrial Data
RS-422/EIA-530, V.35 or RS-232 synchronous DCE
Interfaces
RS-232 asynchronous DCE
X.21 synchronous DCE or DTE
(NOTE: Modem interface types connected to one switch may be
mixed)
Front Panel
Vacuum Fluorescent Display (2 lines, 24 characters each)
Tactile Keypad (6 keys)
Switch Status LEDs (Unit Fault, Remote ON/OFF, Stored Events)
Modem Status LEDs (Unit, Tx & Rx Faults, Bridged Status, Online)
Audible Alarm
2 tone buzzer, programmable to react to modem or switch faults
Power Supply
2 independent supplies
100-250 volts AC (+/- 10%)
Fused IEC connectors, 25 watts max total