Product specifications

CRS-170A L-Band 1:1 Redundancy Switch MN/CRS170A.IOM
Introduction Revision 13
1–3
1.2 Physical Features
1.2.1 Modem Side Features
Figure 1-2 shows the modem side of the CRS-170A. The connectors provided here facilitate all
necessary external connections between the CRS-170A 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 Type ‘N’ Input to Modem ‘A’ 3.2.1.1
J2
Rx B
Type ‘N’
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
Type ‘N’
Output from Modem ‘A’
3.2.1.1
J6
Tx B
Type ‘N’
Output from Modem ‘B’
3.2.1.1
Figure 1-2. CRS-170A – Modem Side Connectors