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Filename: T_ERRATA

 1 

Errata B 

Comtech EFData Documentation Update 

 
 

Subject: 

Change Part No. for AUX Cable 

 
 

Date: 

January 6, 2006 

Document: 

CRS-100 1:1 Redundancy Switch Operation Manual, Revision 2, 
dated November 1, 2005 

Part Number: 

MN/CRS100.EB2 

Collating Instructions: 

Attach this page to page 2-4 

 
 

Comments: 

Revised highlighted AUX Serial Cable  part number to read: 
 

Change Specifics: 

 

The following cable assemblies are supplied with the CRS-100 as shown in Figure 2-1: 
 
Quantity 1, Comtech EF Data P/N 

PL/WR9320-1

 (Auxiliary Serial Cable) 

Quantity 2, Comtech EF Data P/N CA/WR0056 (Universal Data Interface Cable) And: 
Quantity 4, Comtech EF Data P/N CA/BNC 75

 ( 75

 IF Cable) or: 

Quantity 4, Comtech EF Data P/N CA/BNC 50

  ( 50

 IF Cable) 

 
The CRS-100 is designed to work equally well with either 50 or 75 

 systems, and Users 

should ensure that they order the correct IF cable sets when placing their order with the 
Factory. 

Summary of Contents for CRS-100

Page 1: ...Part Number MN CRS100 IOM Revision 2 CRS 100 1 1 Redundancy Switch Operation Manual Accessory Product for use only with Comtech EFData CDM 500 550 550T Modems...

Page 2: ......

Page 3: ...for AUX Cable Date January 6 2006 Document CRS 100 1 1 Redundancy Switch Operation Manual Revision 2 dated November 1 2005 Part Number MN CRS100 EA2 Collating Instructions Attach this page to page 2...

Page 4: ...Filename T_ERRATA 2 COMTECH PART NO PL WR9320 1 Figure 2 1 Cabling Details...

Page 5: ...er to read Change Specifics The following cable assemblies are supplied with the CRS 100 as shown in Figure 2 1 Quantity 1 Comtech EF Data P N PL WR9320 1 Auxiliary Serial Cable Quantity 2 Comtech EF...

Page 6: ...st 7th Street Tempe Arizona 85281 USA 480 333 2200 FAX 480 333 2161 CRS 100 1 1 Redundancy Switch Operation Manual Accessory Product for use only with Comtech EF Data CDM 500 550 550T Modems Part Numb...

Page 7: ...rt Department at service comtechefdata com Contact us via the web at www comtechefdata com 1 To return a Comtech EF Data product in warranty and out of warranty for repair or replacement 2 Request a R...

Page 8: ...ing 2 1 2 3 Configuration 2 2 2 4 Connect External Cables 2 2 2 5 CRS 100 CIC 50 Cabling Details 2 5 CHAPTER 3 PHYSICAL DESCRIPTION 3 1 3 1 Front Panel 3 1 3 2 Rear Panel 3 1 3 3 Side Panel Right Side...

Page 9: ...ERATION 6 1 6 1 AUTOMATIC OPERATION 6 1 6 1 1 INFO Information 6 1 6 1 2 INFO MISC Miscellaneous information 6 2 6 1 3 CONFIG MASK Alarm mask 6 3 6 2 Manual Operation 6 4 6 2 1 UTIL Utility 6 4 6 2 2...

Page 10: ...ARNING indicates a potentially hazardous situation that if not avoided could result in death or serious injury Metric Conversion Metric conversion information is located on the inside back cover of th...

Page 11: ...a single Comtech CDM 500 550 550T Modem or a pair of these Modems The User should observe the following instructions Equipment Connection The CRS 100 is designed for operation ONLY with Comtech CDM 5...

Page 12: ...of measurement of radio interference characteristics of Information Technology Equipment FCC Part 15 Class B Immunity EN 50082 Part 1 Generic immunity standard Part 1 Domestic commercial and light in...

Page 13: ...CRS 100 1 1 Redundancy Switch Revision 2 Preface MN CRS100 IOM viii...

Page 14: ...EF Data No other warranty is expressed or implied Comtech EF Data specifically disclaims the implied warranties of merchantability and fitness for particular purpose Exclusive Remedies The remedies pr...

Page 15: ...a pair of modems in a redundant configuration so that in the event of an equipment failure or an undesired traffic condition the unit will automatically switch data and IF signals from the failed unit...

Page 16: ...tal security the Offline Modem mutes its TX carrier and the CRS 100 provides further isolation by using an RF relay within the unit Unlike some other 1 1 redundancy systems which use a passive power c...

Page 17: ...nd that the unit functions correctly If damage is evident contact the carrier and Comtech EF Data immediately and submit a damage report Be sure to keep all shipping materials for the carrier s inspec...

Page 18: ...to set which are located on the left hand side of the unit when viewed from the front These two switches control the conditions which initiate an automatic switchover Consult the following sections o...

Page 19: ...CRS 100 1 1 Redundancy Switch Revision 2 Introduction MN CRS100 IOM 2 3 Figure 2 1 Cabling Details...

Page 20: ...th the Factory WARNING It is extremely important to designate the two Modems as the A Unit and the B unit When two units are stacked together the top unit will be A and the bottom unit will be B It is...

Page 21: ...0 IOM 2 5 2 5 CRS 100 CIC 50 Cabling Details Figure 2 2 shows how to connect the CIC 50 T1 E1 Interface Converter to the installation Quantity 1 Comtech EF Data P N CA WR9680 1 CIC 50 Adapter 25 pin M...

Page 22: ...0 OHM CRS 100 CIC 50 CABLING DETAILS Receive IF User Data Interface Transmit IF COMTECH EFDATA PART CA BNC 75 OHM OR CA BNC 50 OHM COMTECH EFDATA PART CA BNC 75 OHM OR CA BNC 50 OHM 25 PIN D FEMALE 25...

Page 23: ...n the front panel are two LEDs marked A Online and B Online Only one of these LEDs will illuminated at any given time and gives a visual indication of which of the two units is presently carrying traf...

Page 24: ...n the side panel Figure 3 1 to the right are the two Tx IF ports A and B which are BNC female Connection is made to the pair of Modems using Comtech EF Data P N CA BNC 75 OHM 75 applications or Comtec...

Page 25: ...ports A and B which are both BNC female Connection is made to the pair of Modems using Comtech EF Data P N CA BNC 75 OHM 75 applications or Comtech EF Data P N CA BNC 50 OHM 50 applications Additional...

Page 26: ...CRS 100 1 1 Redundancy Switch 3 4 MN CRS100 IOM This page has been intentionally left blank...

Page 27: ...power consumption occurs in either a V 35 or EIA 422 interface mode Power consumption in EIA 232 modes is approximately 40 of the maximum values The modem employ electronic fuses which prevent excess...

Page 28: ...tatus is also reported over the remote control bus so an external M C system can determine the state of the redundancy system At the same time a GREEN LED will illuminate on the front of the CRS 100 t...

Page 29: ...Clock B DTE to Modem TT B SCTE B 113 12 Internal Transmit Clock B Modem to DTE ST B SCT B 114 14 Transmit Data B DTE to Modem SD B SD B 103 15 Internal Transmit Clock A Modem to DTE ST A SCT A DB 114...

Page 30: ...on of the CRS 100 the Modems must have the following Firmware versions installed CDM 500 Version 1 18 or later CDM 550 Version 1 10 or later CDM 550T Version 1 04 or later If the modems do not meet th...

Page 31: ...w ready to put the system into operational use Before proceeding the User should check that the Auxiliary Serial link between the two units is functioning correctly From the front panel of the Online...

Page 32: ...c faults the right switch in the Up or ON position 4 Unit faults or Rx or Tx faults both switches in the Up or ON position All of the possible fault conditions are listed below Unit faults Power suppl...

Page 33: ...RX AIS BUF SLIP or TX AIS using the arrow keys then to press ENTER Following the selection of the alarm to be masked the User is then presented with a sub menu where the choice between ACTIVE and MAS...

Page 34: ...to standby Observe that this only works from the front panel of the Online unit If this is carried out from the front panel of the Standby unit it will not cause a switchover The second method is via...

Page 35: ...the Auxiliary Serial link between the two Modems Switch Conditions Switchover initiated following Unit faults only or Unit faults or Receive Traffic Faults or Unit faults or Transmit Traffic Faults or...

Page 36: ...Weight 1 1 lbs 0 5 kg Dimensions 1 7H x 5 7W x 4 1D inches 4 3H x 14 3W x 10 4D cm Excluding connectors Power requirements 3 2 Watts maximum 12 volts DC 160 mA max 12 volts DC 100 mA max Power is supp...

Page 37: ...103 1 609 x 103 1 609 1 mm 0 03937 1 kilometer 0 621 Temperature Conversions Units of Weight Unit Gram Ounce Avoirdupois Ounce Troy Pound Avoir Pound Troy Kilogram 1 gram 0 03527 0 03215 0 002205 0 0...

Page 38: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX...

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