User's Manual

Table Of Contents
4.3 Switch to RS-485/RS-232 Mode
Take the UART2 and UART3 on the main control board as an example. If the Jumper cap's posion
is like the picture displayed below. (The black part is the jumper cap.) The serial port is in RS-485
communicaon mode.
Figure 4-2 Jumper Cap Status of RS-485 Interface
If the Jumper cap's posion is like the picture displayed below. (The black part is the jumper cap.)
The serial port is in R
S-232 communicaon mode.
Figure 4-3 Jumper Cap Status of RS-232 Interface
4.4 Switch Relay Output Mode (NO/NC)
4.4.1 Barrier Control Relay Output Mode
The pins of the barrier control relay on the main control board is as below:
Figure 4-4 Pin Appearance
The jumper cap's
posion of barrier opening for entrance (NO) is as below:
DS-K3Y501 Flap Barrier User Manual
25