20 C5S110&120&140
User Manual
4.2
TCP/IP Communication
The Ethernet 10/100Base-T Crossover Cable, a type of crossover network cable, is mainly used for cascade hubs
and switches, or used to connect two Ethernet end-points directly (without a hub). Both 10Base-T and 100Base-T
are supported.
TCP/IP Communication System Networking
For ZKAccess3.5 software
: Click [Device] > [Device] > [Add], also you can click [Device] > [Search Device] to
search devices which in the network, and directly add from the searching result.
4.3
RS485 Communication
1)
Internationally accepted RVVSP (shielded twisted-pair) wires should be used for communication to effectively
avoid interference.
2)
RS485 communication wires should be connected by means of bus cascade connection instead of in a star
form, to achieve a better shielding effect by reducing signal reflection during communications
3)
Considering stability of communication, it is recommended the length of RS485 bus is less than 600m.
4)
Up to 16 device numbers can be set because the rotary DIP switch on the control panel has 16 bits. Therefore,
a single RS485 bus can be connected to 16 access control panels at most.
5)
To enhance the stability of communication when the bus is longer than 300m, connect the provided
120-ohm terminal resistor between the 485A and 485B wires of the first and last control panels respectively.
PC
TCP/IP
Printer
Card Issuer
Switch
1# Control Panel
2# Control Panel
N# Control Panel
Serial Line
PC
1# Control Panel
2# Control Panel
16# Control
RS485 Communication System Networking
