20
Cabling and Connections
Mainframe Connections
RJ45 - RS422 Serial Ports
There are 2 RJ45 ports which provide 4x RS422 serial control.
They can be assigned with communications protocols to communicate with number of
external devices. This is used to connect for example to Servers, Editors ands other devices.
For the two RS422 ports, each one can independently either be a Master or a Slave. Master
settings makes Kula able to control external equipment and a Slave setting lets Kula be
controlled by external equipment.
RS422 1+3 Pin Configuration
RJ45 Pin Color (typical) Function
(master mode)
9 pin D-Type
SP1
9 pin D-Type
SP3
1 Orange/White Tx1B 3
2 Orange Tx1A 8
3 Green/White Tx3B 3
4 Blue Tx3A 8
5 Blue/White RX3A 2
6 Green RX3B 7
7 Brown/White Rx1A 2
8 Brown Rx1B 7
Cable
screen/GND
GND 9 9
RS422 2+4 Pin Configuration
RJ45 Pin Color (typical) Function
(master mode)
9 pin D
SP2
9 pin D
SP4
1 Orange/White Tx2B 3
2 Orange Tx2A 8
3 Green/White Tx4B 3
4 Blue Tx4A 8
5 Blue/White RX4A 2
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