CRS-311 1:1 Redundancy Switch
Revision 7
Introduction
MN/CRS311.IOM
1–16
1.4
Summary of Specifications
1.4.1 CRS-311 Specifications
Feature
Specification
Switch Type
•
1:1 Redundancy Switch system
•
Bridging architecture
•
C161 control processor
Compatible Modems
•
SLM-5650
•
SLM-5650A
•
CDM-Qx
•
CDM-QxL
Operating Modes
•
Fully automatic or manual
•
Force Traffic Modem to Redundant Modem
•
Programmable holdoff-to-backup and holdoff-to-restore times (from 1 to 99 seconds)
Switching Conditions
Switch to Redundant Modem following a Unit fault, Tx traffic fault, or Rx traffic fault
Switching Time
6 seconds max. (Delay interval set to minimum, 1 sec)
IF Switching
CRS-311 with CRS-281 IF Module: all modems outputs ON all the time
Temperature
•
0 to +50°C (32 to 122°F) Operating
•
50 to 100°C (122 to 212°F) Storage
Humidity
95% at +50°C (122°F), Non-condensing
Environmental
Operating temperature range 0
°
to 50
°
C (32
°
to 122
°
F)
Redundant Modem
Signal Source
The traffic paths (bridge mode) (both Rx IF and Tx data)
Front Panel
•
Vacuum Fluorescent Display (VFD): 2 lines @ 24 characters/line
•
6-button Keypad: ENTER, CLEAR, (4X) navigation
•
LED system status display showing:
o
Operational status indicators: Unit, Remote, Stored Event
o
Online status indicators: Traffic or Redundant Modem
Audible Alarm
Programmable to activate following various changes of state
Common faults
Dry relay contacts
AC Prime Power
Two independent inputs: 90 to 264 VAC, 50/60 Hz, at 25 Watts
DC Power
Two independent inputs: -48 VDC, at 25 Watts
Dimensional Envelope
19W x 11.2D x 3.75H inch (2RU)
(48.26W x 28.4D x 8.9H cm)
Weight
~ 10 lbs (~ 9.07kg)
CE Mark
EMC and Safety
Содержание CRS-311
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Страница 194: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX...