Honeywell HJZTP User Manual - Page 18

Keyboard Cascading

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2.5 KEYBOARD CASCADING It is possible to cascade up to three slave keyboards off a master keyboard that is connected to the multiplexer / DVR and dome RS485 line. All keyboards in the cascade can communicate with any DVR, multiplexer, or dome connected to the master. 2.5.1 Master/Slave Connection A system of cascaded keyboards is connected as shown below. Figure 7. SAMPLE SYSTEM OF CASCADED KEYBOARDS. In the above system two slave keyboards are connected to a master keyboard. The system also has two multiplexers, and two DVRs connected. And VCL (Orbiter / Rapid ) dome data is being input into the system from a control device. Rev. 1.01 8 900.0570 8-Sept-05

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Rev. 1.01
8
900.0570
8-Sept-05
2.5
KEYBOARD CASCADING
It is possible to cascade up to three slave keyboards off a master keyboard that is
connected to the multiplexer / DVR and dome RS485 line. All keyboards in the cascade
can communicate with any DVR, multiplexer, or dome connected to the master.
2.5.1
Master/Slave Connection
A system of cascaded keyboards is connected as shown below.
Figure 7. SAMPLE SYSTEM OF CASCADED KEYBOARDS.
In the above system two slave keyboards are connected to a master keyboard. The
system also has two multiplexers, and two DVRs connected. And VCL (Orbiter / Rapid )
dome data is being input into the system from a control device.