ViewSonic LDP216-121, Руководство пользователя, Страница: 134 / 149

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RS-232 Protocol
This document describes the hardware interface and software protocols of RS-232
serial communication between the ViewSonic LED Display and computers or control
systems.
RS-232 Hardware Specification
ViewSonic RS-232 serial port on the lower left side:
1. Connector type: DB 9-Pin Female
2. Use of straight-through parallel cable for connection
3. Pin Assignment:
Female DB 9-Pin Pin # Signal Remark
1 NC
2 TXD Output from Display
3 RXD Input to Display
4 NC
5 GND GND
6 NC
7 NC
8 NC
9 NC
frame GND
RS-232 Communication Setting
- Baud Rate Select: 115200bps (fixed)
- Data bits: 8 bits (fixed)
- Parity: None (fixed)
- Stop Bits: 1(fixed)