Cascade In Rs232, Rs422, Rs485 Mode - Prestel KB-IP9N User Manual

〓〓〓〓〓〓 5. Wiring diagram 〓〓〓〓〓〓
Line Sequence：Using the RS485 bus connection, the keyboard pin 1 TXD +
connected to the camera RXD-, the keyboard pin 2 TXD- connected to the camera
RXD +.
5.5 Cascade in RS232, RS422, RS485 mode：
The keyboard connects the RS232-IN port of camera No. 1 through RS232,
RS422, RS485 lines, and then connects the RS232-IN port of camera No. 2 through
the RS232-OUT port of camera No. 1 with a cascade line, and finally sets the
corresponding protocol, address and baud rate on the keyboard to control camera No.
1 or camera No. 2 through the keyboard.
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