TA7004NT TimeAttendance Terminal User Manual V1.00
11
Series connection:Terminals are connecting via series connection.
A multi-bus RS485HUB is needed if customer needs parallel
connection.
RS485 Single Point Ground:If controller transmission line is with
shielding or needs ground line, then all controllers
’
transmission line can be grounded in either controller. Please
note do not gather all metal side to the GND of controller.
Terminal Resistance:Series connected at the end of the circuit.
2.5
TCP/IP
TA7004NT network connecting
Fig 2-7
RJ45
definition
1
TX+
2
TX-
3
RX+
6
RX-
Normal net cable
(
to switch
)