Two Multiplexers With Slave Keyboard Controller (Method 1) - Hitron FASTRAX II Instruction Manual

2.1.4 Two Multiplexers with Slave Keyboard Controller (method 1)

AWG # 24
BNC
1ST MAIN MONITOR
1ST MULTIPLEXER
Figure 5a – Two Multiplexers with Slave Keyboard Controller
POWER POWER
AC 24V AC 24V
BNC
BNC
POWER
AC 24V
(RS-422)
SPOT MONITOR SPOT MONITOR
FOR SLAVE K/B FOR MASTER K/B
2ND MULTIPLEXER
RS-485(+) PIN No.4
RS-485(-) PIN No.5
12
BNC