Comtech EF Data CRS-120 - Manual (Page 31)

1:1 Redundancy Switch Revision 3
Connector Pinouts MN/CRS120.IOM
3–3
3.1.3 CRS-120 Only. TX-IF Connectors, J3, J4, J5, J6A, J6B
Ref Des Name Function
J3 Tx IF MON
-20 dB Output, monitors online carrier at
approximately –20 dB.
J4 Tx IF Online Output, Online Carrier
J5 Tx IF Standby Output, Standby Carrier
J6A Tx IF A IF Input from Modulator A,
J6B Tx IF B IF Input from Modulator B
3.1.4 CRS-120L only. SMA Connectors J3, J4, J5, J6A, J6B
Ref Des Name Function
J3 -20 dB MON Output, monitors online carrier at
approximately –20 dB.
J4 Online Output, Online Carrier
J5 Standby Output, Standby Carrier
J6A Tx IF A Input from Modulator A,
J6B Tx IF B Input from Modulator B
3.1.5 Standby TX IF Out Switch
The switch is a 2-position Dip switch. This switch enables or disables the standby Tx Carrier
provided there is no fault that will normally disable the carrier.
A B
↑ (up position) Standby Tx carrier remains On
↓ (down position) Standby Tx carrier is forced Off.