5.4 Switch to RS-485/RS-232 Mode
Take the Serial Port 4 and on the access control board as an example. If the Jumper cap's position is
like the picture displayed below. (The black part is the jumper cap.) The serial port is in RS-485
communication mode.
Figure 5-2 Jumper Cap Status of RS-485 Interface
If the Jumper cap's position is like the picture displayed below. (The black part is the jumper cap.)
The serial port is in RS-232 communication mode.
Figure 5-3 Jumper Cap Status of RS-232 Interface
5.5 Switch Relay Output Mode (NO/NC)
5.5.1 Barrier Control Relay Output Mode
The pins of the barrier control relay on the access control board is as below:
Figure 5-4 Pin Appearance
The jumper cap's position of barrier opening for entrance (NO) is as below:
DS-K3B501SX Series Swing Barrier Quick Start Guide
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