User's Manual
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