Comtech EF Data MBT-5000 User Manual
Page 41

MBT-5000 L-Band Up/Down Converter System
MN-MBT5000
Rear Panel Connections
Revision 4
3–9
‘J1 | COM 1’ EIA-485/232 Interface Connector (DB-9F)
Chapter 7. SERIAL-BASED REMOTE PRODUCT MANAGEMENT
This EIA-485/EIA-232 interface connector is a 9-pin Type "D"female connector
(DB-9F). Its mating connector is a DB-9M connector.
Table 3-4. ‘J1 | COM1’
2-Wire EIA-485 Interface
Connector Pinout
Table 3-5. ‘J1 | COM1’
4-Wire EIA-485 Interface
Connector Pinout
Pin # Description
Function
Pin # Description
Function
5
5
9
+RX/TX
Signal
9
+TX
Signal
4
4
8
-RX/TX
Signal Complement
8
-TX
Signal Complement
3
3
7
+RX/TX
Signal
7
+RX
Signal
2
2
6
-RX/TX
Signal Complement
6
-RX
Signal Complement
1 GND
Ground
1 GND
Ground
Table 3-6. ‘J1 | COM1’ EIA-232
Interface Connector Pinout
Pin # Description
Function
5
9
4
8
3 RD
Receive Data
7
2 TD
Transmit Data
6
1