If Connector - L-Band Rx (Type 'N' Female); Utility Connector Group; Redundancy' Connector (Db-9F) (Future); Table 3-2. 'Redundancy' Connector Pinout - Comtech EF Data CDD-880 Installation And Operation Manual

CDD-880 Multi Receiver Router
Rear Panel Connections
3.3.1 IF Connector – L-BAND Rx (Type 'N' Female)
CAUTION – THERE MAY BE DC VOLTAGES PRESENT ON THE TYPE 'N' RX IF
CONNECTOR, UP TO A MAXIMUM OF 48 VOLTS. THE LED LABELED 'DC!' WILL LIGHT
TO INDICATE THIS CONDITION.
The return loss on this port is typically better than 17 dB. If you prefer to connect to a
75Ω system, an optional Type 'N' to Type 'F' adapter is available. While there will be
a reduction in return loss when doing this, the effect in most systems will be
negligible.
3.3.2

Utility Connector Group

3.3.2.1 'REDUNDANCY' Connector (DB-9F)
This interface is intended for future use for connection to an optional CEFD CRS-170A
1:1 L-Band Redundancy Switch.
Connector Type Name
50Ω Type 'N' Female L-BAND Rx
Connector Type
D-sub 9-pin female

Table 3-2. 'REDUNDANCY' Connector Pinout

Pin # Description
5 Ground
9 Fused +12 volt
4 Redundancy In 2
8 Redundancy Out 2
3 Redundancy In 1
7 Redundancy Out 1
2 Receive Serial Data – auxiliary channel
6 Transmit Serial Data – auxiliary channel
1 Ground
3–7
Description
Rx IF Signal, L-Band In
(FUTURE)
Name
REDUNDANCY
MN-CDD880
Revision 2
Direction
Direction
In/Out
Direction
–
Out
In
Out
In
Out
In
Out
–