Comtech EF Data CRS-400 - Manual (Page 24)

CRS-400 1:8 Redundancy Switch Revision 0
Introduction MN/CRS400.IOM
8
1.4.1 D ATA R EDUNDANCY A ND C ONTROLLER
Characteristic Requirement
Number of Prime
Mods/Demods 1 to 8
Number of Backup
Mods/Demods 1
Operating Mode - Data
Switch Dependent or Independent
Operating Mode - IF Switch Dependent or Independent
Mod/Demod
Priority/Programmable 1 Bridge Mode
Switching Hold Off Time 2 to 99 Seconds
Switching Manual or Auto
Default on Power Loss Redundant Modulator/Demodulator traffic returns to the normal
traffic path.
Operating Modes Fully Automatic
Manual, force backup to replace selected traffic channel
Manual, force backup to parallel traffic channel, Bridge
Remove selected traffic channel from control, Active or Not Active
User interface/Connector
(8 Data/TMI Channels)
HSSI to 70 Mbit/s SCSI-2 female
75 Ohm, Supporting : BNC-Female
Configuration Control Remote:
EIA-485/232-C, programmable
Both switch and mod/demod communications
Manual:
Menu driven from switch front panel
Both switch and mods/demods
Tx Offline Activity Bridged unit receives a copy of the clock and data from one of the
traffic channels. User designates the traffic channel.