Table 4-1. 'J1 | Com1' 2-Wire Eia-485 Pinout; Table 4-2. 'J1 | Com1' 4-Wire Eia-485 Pinout; Table 4-3. 'J1 | Com1' Eia-232C Pinout - Comtech EF Data LBC-4000 Installation And Operation Manual

Item
13 Unit Ground Lug
Pin #
1
2
3
4
5
6
7
8
9
Pin #
1
2
3
4
5
6
7
8
9
Pin #
1
2
3
4
5
6
7
8
9
Rear Panel Connectors
Name
Use this #10-32 stud as the command chassis ground.

Table 4-1. 'J1 | COM1' 2-Wire EIA-485 Pinout

Table 4-2. 'J1 | COM1' 4-Wire EIA-485 Pinout

Table 4-3. 'J1 | COM1' EIA-232C Pinout

LBC-4000 L-Band Up/Down Converter System
Desription
CAUTION
PROPER GROUNDING PROTECTION IS REQUIRED. You
must connect the equipment to the protective earth
connection at all times. Use this ground stud during
installation, configuration, and operation.
Description
GND; Ground
–
–
+Rx/Tx; Signal
-Rx/Tx; Signal Complement
–
–
+Rx/Tx; Signal
-Rx/Tx; Signal Complement
Description
GND; Ground
–
–
+Tx; Signal
-Tx; Signal Complement
–
–
+Rx; Signal
-Rx; Signal Complement
Description
–
TD; Transmit Data
RD; Receive Data
–
GND; Ground
–
–
–
–
4–7
Revision 6
MN-LBC-4000