Spectrum Controls InView 2706-P4 Series Installation Instructions Manual page 5

4 InView Marquee Message Display
TB1
8
7
6
5
4
3
2
1
Publication 2706-IN006E-EN-P
TIP
1. GND
2. +5V
3. RS-232 TX
4. RS-232 RX
9. Connect the incoming serial wires.
TB1 can be used for incoming RS-232 or RS-485 serial
connection. They cannot be connected at the same time. RS-485
is recommended to reduce undesirable electrical interference.
TB1
Incoming serial
wires
TIP
1. GND
2. NC
3. RS-232 TX
4. RS-232 RX
1. NC
2. NC
3. NC
4. NC
TB1 can be used for incoming serial connection for
RS-232 or RS-485. The full pinout diagram is shown
below.
TB1 - Full
Be sure to place the wires so they are not caught by
screws when replacing the power supply cover, and
also so they do not interfere with fan operation.
TB1 - RS-232
TB1 - RS-485
5. RS-485(+)
6. RS-485(-)
7. NC
8. SHIELD
5. NC
6. NC
7. NC
8. NC
5. RS-485(+)
6. RS-485(-)
7. NC
8. SHIELD