| Shield: | Required, both ends grounded | 
| Twisted Pair: | Required | 
| PELV: | Required | 
| Cable composition: | 4 * 0.14 mm2 (AWG 24) | 
Use pre-assembled cables to reduce the risk of wiring errors, see chapter Accessories and Spare Parts.
 
  
| Pin | Signal | Meaning | 
|---|---|---|
| 1 | Tx+ | Ethernet transmit signal + | 
| 2 | Tx- | Ethernet transmit signal - | 
| 3 | Rx+ | Ethernet receive signal + | 
| 4 ... 5 | - | Reserved | 
| 6 | Rx- | Ethernet receive signal - | 
| 7 ... 8 | - | Reserved | 
| 
 | 
| UNINTENDED EQUIPMENT OPERATION | 
| Do not connect any wiring to reserved, unused connections, or to connections designated as No Connection (N.C.). | 
| Failure to follow these instructions can result in death, serious injury, or equipment damage. | 
oConnect the fieldbus.
oVerify that the connector locks snap in properly.