25
7777
Make
Make
Make
Make COM Cable
COM Cable
COM Cable
COM Cable
The keyboard standard accessories bag includes the following items:
One DB9
Seven DB9
One six-pin crystal port
One 25-pin (DB25)
One 485 switch box. (Including one power sourcing.)
7.1
7.1
7.1
7.1
Make
Make
Make
Make RS
RS
RS
RS232
232
232
232 COM Cable
COM Cable
COM Cable
COM Cable
Please refer to the following figure for RS232 port information. See Figure 7-1.
RS232 Serial Port RS232 Serial Port
(
DB9
)
(
DB9
)
Figure 7-1
7.2
7.2
7.2
7.2
Make
Make
Make
Make RS
RS
RS
RS485
485
485
485 COM Cab
COM Cab
COM Cab
COM Cable
le
le
le
You can refer to Figure 7-2 if you are connecting the keyboard with the switcher box.
RS485 Port of Keyboard RS485 Switch Box Port
(
Green alarm socket
)
(
6-pin crystal
)
Figure 7-2
7.3
7.3
7.3
7.3
25
25
25
25----pin
pin
pin
pin PPPPort and
ort and
ort and
ort and SSSSwitch
witch
witch
witch BBBBox
ox
ox
ox C
C
C
Connection
onnection
onnection
onnection
Connect switch 25-pin box RS232 port with DVR RS232 port. (25-pin outlet supports maximum
twelve RS232 ports. Switch is just for sending not for receiving. So you can use two cables: GND
and TXD)
Please refer to the following sheet if you are connecting 485 switch box to DVR See Figure 7-3.