COTRUST CTH200 Series User Manual

Technical Specifications
42
Table 4-2-14 RJ45 Ethernet port
RJ45 Connector
Pin Number
Signal
Definition
1
TX+
Data send positive
2
TX-
Data send negative
3
RX+
Data receive positive
4
TERM
--
5
TERM
--
6
RX-
Data receive negative
7
TERM
--
8
TERM
--
Note
Define RS485 signal of some meters as A-positive, B-negative. Positive to positive and
negative to negative when wiring (universal).
4.2.4 DIP switch
Table 4-2-15 Definition of DIP switch
Two-state
switch
State
Operation
Signal definition
ON
UP
RUN
OFF
Down
STOP
Dial 6 times in
2 seconds
Reset IP (RUN->STOP
counts, vice versa)
4.2.5 Making Standard Net Cable
It is recommended to use standard network cable for CTH200 communication. There’s two forms
of standard network cable: parallel line and cross line. The ends of parallel lines are standard
568A or 568B; the cross line is standard 568A at one end while 568B at the other end. The
standard line sequence color of 568A/568B shows as below:
568B standard line sequence: white and orange, orange, white and green, blue, white and blue,
green, white and brown, brown.
568A standard line sequence: white and green, green, white and orange, blue, white and blue,
orange, white and brown, brown.
How to make standard cable:

COTRUST CTH200 Series Specifications

General

Brand	COTRUST
Model	CTH200 Series
Category	Controller
Language	English