i-MARKInstallation and Hardware Manual
Page 14 of 22
3.2.4
Daisy Chain Connectors
To Master
RJ 45 connector to the Host computer or the Slave port of the previous i-MARK in the
Daisy Chain.
To Slave
RJ 45 connector to the Master port of the next i-MARK in the Daisy Chain. Leave this
connector open at the last device in the chain.
View into the connector = crimp/solder side of plug
Pin To Master
To Slave
T568B color
Description
1
RxD+
TxD+
White/orange
2
RxD–
TxD–
Orange
3
TxD+
RxD+
White/Green
4
V+ (10 … 30V)
V+ (10 … 30V)
Blue
Power supplied over bus
5
V+ (10 … 30V)
V+ (10 … 30V)
White/Blue
Power supplied over bus
6
TxD–
RxD–
Green
7
GND
GND
White/Brown
Power supplied over bus
8
GND
GND
Brown
Power supplied over bus
As the TxD/RxD crossing is done on the i-MARK only straight-through cabling has to be used between
i-MARKs.
Connection parameters
Signal levels:
RS422
Baud rate:
115200 bits per second
Data bits:
8
Stop bits:
1
Parity:
none
Mode:
full duplex
