Oxford Technical Solutions Ltd  Page 33 of 110 
 
Figure 7: RT3000 v4 auxiliary user cable 
 
 
 
Table 14: RT3000 v4 auxiliary user cable pin description 
J2 
Power & 
Ethernet 
8 pole M12 female 
1  Tx+  J1-14 
2  Tx-  J1-20 
3  Rx+  J1-13 
4  Supply+  J1-11 
5  Supply+  J1-11 
6  Rx-  J1-12 
7  Supply-  J1-10 
8  Supply-  J1-10 
J3  Ethernet  RJ45 socket 
1  Ethernet transmit+  J1-15 
2  Ethernet transmit-  J1-2 
3  Ethernet receive=  J1-21 
6  Ethernet receive-  J1-1 
J4  Ethernet  RJ45 socket 
1  Supply+  J1-7 
2  Sleeved and made safe  J1-6 
3  Supply-  J1-5 
6  Sleeved and made safe  J1-17