Honeywell
Figure 2-2 Keyboard Interface
① RJ45 network port
Port Features
RS232 can directly connect with DVR. The distance should be within 10m.
One RS232 port could only connect with one DVR. You must use 485-> 232 converters to
connect more DVRs.
RS-485 transmission distance is 1200 m(9600bps),max 3000 m.
In level-link mode, one RS-485 port can connect with as many as 16 keyboards.
You can connect RJ45 with DVR and realize front device multiplex control via the network
keyboard.
Power
The keyboard uses +12V DC, you can use +12V adapter included in the accessories
package. See Figure 2-3.
8
② RS485 port
③ RS232 port
④ Power socket