Comtech EF Data CRS-180 - Manual (Page 22)

CRS-180 70/140 MHz IF 1:1 Redundancy Switch MN/CRS180.IOM
Introduction Revision 11
1–2
Table 1-1. CRS-180 Compatibility Summary
Modem 1:1 Data Switch Firmware/Hardware Requirement*
CDM-625/A Built into the CDM-625/A Firmware Ver. 1.1.1 or higher
CDM-760 Built into the CDM-760 Firmware Ver. 1.1.1 or higher
CDM-750 Built into the CDM-750 Firmware Ver. 1.1.1 or higher
CDM-570A Built into the CDM-570A Firmware Ver. 1.1.1 or higher
CDM-570A with Optional IP Packet
Processor
User-provided Layer 2 switch or hub Firmware Ver. 1.2.1 or higher
CDM-570 Built into the CDM-570
• Firmware Ver. 1.6.7 or higher
• Hardware Revision 3
CDM-570 with Optional IP Module User-provided Layer 2 switch or hub Firmware Ver. 1.5.4.2 or higher
CDM-710G Built into the CDM-710G Firmware Ver. 5.1.1 or higher
CDM-710 Built into the CDM-710
• Firmware Ver. 2.4.1 or higher
• Hardware Revision 3
CDM-700 Built into the CDM-700
• Firmware Ver. 1.1.6 or higher
• Hardware Revision 3
* Firmware updates are free and may be downloaded from the Comtech EF Data web site
(http://www.comtechefdata.com). If a modem does not meet the hardware requirements,
contact Comtech EF Data Product Support. Hardware revision upgrades must be performed
at CEFD.
1.2 Physical Features
1.2.1 Modem Side Features
Figure 1-2 shows the modem side of the CRS-180. The connectors provided here facilitate all
necessary external connections between the CRS-180 and the compatible Comtech EF Data
modems.
J6 Tx B J5 Tx A J3 Control A
J4 Control B
J2 Rx B J1 Rx A
Ref Des Name Connector Type Function Chapter Sect.
J1 Rx A BNC IF Input to Modem ‘A’ 3.2.1.1
J2 Rx B BNC IF Input to Modem ‘B’ 3.2.1.1
J3 Control A DB-9F 9-pin Type ‘D’ female Modem ‘A’ Control Interface 3.2.1.2
J4 Control B DB-9F 9-pin Type ‘D’ female Modem ‘B’ Control Interface 3.2.1.3
J5 Tx A BNC IF Output from Modem ‘A’ 3.2.1.1
J6 Tx B BNC IF Output from Modem ‘B’ 3.2.1.1
Figure 1-2. CRS-180 – Modem Side Features