Page 187 - PHU_User Manual_EN_Rev A

COMMUNICATION INTERFACE

RS232/485 Remote Interface (optional)

Configure RS232/485

Overview The PHU uses the RS232/485 interface card (IN &
OUT ports) for communication coupled with
RS232 (GW Part number PHU-232) or RS485
adapters (GW part number PHU-485).
The pin outs for the adapters are shown below.
PHU-232 RS232 DB-9 Connector Remote IN Port(RJ-45) Remark
cable with DB9 Pin No. Name Pin No. Name
connector
Housing Shield Housing Shield
2 RX 7 TX Twisted
pair
3 TX 8 RX
5 SG 1 SG
5 1 1 8

9 6 (DB-9) (RJ-45)
PHU-485 RS485 DB-9 Connector Remote IN Port(RJ-45) Remark
cable with DB9 Pin No. Name Pin No. Name
connector
Housing Shield Housing Shield
9 TXD- 6 RXD- Twisted
pair
8 TXD+ 3 RXD+
1 SG 1 SG
5 RXD- 5 TXD- Twisted
pair
4 RXD+ 4 TXD+
5 1 1 8

9 6 (DB-9) (RJ-45)

187