Make Com Cable; Make Rs232 Com Cable; Make Rs485 Com Cable; Pin Port And Switch Box Connection - Qvis APOLLO-KEYBOARD1 User Manual

7 Make 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 Make RS232 COM Cable

Please refer to the following figure for RS232 port information. See Figure 7-1.
RS232 Serial Port
（DB9）

7.2 Make RS485 COM Cable

You can refer to Figure 7-2 if you are connecting the keyboard with the switcher box.
RS485 Port of Keyboard
（Green alarm socket）

7.3 25-pin Port and Switch Box Connection

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.
Figure 7-1
RS485 Switch Box Port
Figure 7-2
RS232 Serial Port
（DB9）
（6-pin crystal ）
25