Comtech EF Data RCS11 - Manual (Page 67)

RCS11 1:1 Redundancy Switch Connector Pinouts
MN-RCS11 – Revision 9 5–9
5.5.8 SD (DDI) (J23)
The Send Data (Drop Data In) Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5.5.9 DDO (J24)
The Drop Data Out Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5.5.10 IDI (J25)
The Insert Data In Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5.5.11 RD (IDO) (J26)
The Receive Data (Insert Data Out) Port (Unbalanced) is a 75-Ohm Female BNC Connector.
5.6 ASI Data Interface
The RCS11 ASI Data Interface supports ASI serial data for the DM240XR Modulator or
DD240XR Demodulator only application.
5.6.1 DATA A (J7)
The Data (A) is the serial ASI data interface from the modulator or demodulator (A). This
interface is a 75 Ohm BNC connector.
5.6.2 ASI TERR (J10)
The ASI Terrestrial is the user interface. This interface is a 75 ohm BNC connector.
5.6.3 DATA B (J11)
The Data (B) is the serial ASI data interface from the modulator or demodulator (B). This
interface is a 75 Ohm BNC connector.
5.6.4 Alarm A (J18)
The Alarm A Interface is a 9 Pin Female ‘D’ port. Refer to Table 5-10 for pinouts.
Table 5-10. J18 Alarm A (9-Pin Female 'D')
Pin # Signal Name Direction
1, 2, 3, 5, 7, 8, 9 NC NA
4 Ground GND
6 Mod Fault Open Collector Input