Comtech EF Data CDS-100 - Manual (Page 23)

CDS-100 Diversity Switch MN-CDS100
Introduction Revision 1
1–3
1.2 Physical Features
1.2.1 Modem Side Features
Chapter 3. CONNECTORS AND PINOUTS
Figure 1-2 shows the Modem Side of the CDS-100:
• Two 9-pin ‘D-sub’ male serial connectors are provided for connection to an external control
agent such as an Antenna Control Unit (ACU);
• Two 9-pin ‘D-sub’ female serial connectors provide the necessary external connections
between the Switch and its compatible Comtech EF Data modems.
J4
CONTROL B
J3
CONTROL A
J2
EXT FAULT
INPUT A
J1
EXT FAULT
INPUT A
Ref
Des Name
Connector Type Function
J1 Ext Fault Input A Type ‘D’ 9-pin male (DB-9M) External input to force ‘A’ offline
J2 Ext Fault Input B Type ‘D’ 9-pin male (DB-9M) External input to force ‘B’ offline
J3 Control A Type ‘D’ 9-pin female (DB-9F) Control Interface with Modem ‘A’
J4 Control B Type ‘D’ 9-pin female (DB-9F) Control Interface with Modem ‘B’
Figure 1-2. CDS-100 – Modem Side Connectors