5
RSM Switch Modules
Weight .................................................................................................................. 1 pound nominal
Chassis Dimensions.................................................................5.6” wide x 1.61” high x 1.90” deep
........................................................................excluding connectors(see outline drawing 157773)
RF connectors............................................................................................................. SMA female
IF Connectors...............................................................................................................BNC female
Switch Module Bus Connectors ..................................................................Serial ATA Receptacle
1.2.2 CONNECTOR WIRING INFORMATION
Converter Control and Status Connectors* (J1 through J13)
9-pin D-subminiature
Function Pins
Normal
Fault
Converter Fault Inputs
1,2
Open
Closed
Converter Fault Inputs
2,3
Closed
Open
Converter Control Bus Data-
5
N/A
Converter Control Bus Data+
9
N/A
•
The Control Unit must sense both Normally Open and Normally Closed contacts.
This provides the means for the Control unit to automatically recognize that a
converter has been added to the chain or removed from the chain.
Table 1-1. NSUN Switch Connections
Switch Module Bus Connectors (J14 and J15 NSUN Only)
Connector type Serial ATA
Pin Designation
1 Ground
2 Data
+
3 +24V
‘A’
4
+24V ‘A’ Return
5 Data-
6 +24V
‘B’
7
+24V ‘B’ Return
Table 1-2. NSU Remote Interface Connections
Control Unit Remote Interface and Status Connector (J16)
9-Pin D-Subminiature
RS485 and RS422
RS232
Pin Designation
Pin
Designation
1 Ground
2
RCV
Data
3
Data Out -
3
Tx Data
5
Data In -
5
Ground
7
Data Out +
7
RTS
9
Data In +
8
CTS
2
Normally Open
1
Normally Open
4 Common
4
Common
6
Normally Closed
6
Normally Closed