The PH-P series product is an industrial Profibus-DP data optical transceiver, communication rate is 0-6M (~12M is optional) with self-adaptation, DB9 interface
compatible with Profibus-DP data connector, meantime it supports the industrial terminal wiring, single optical port/dual optical port chain network support, support
Profibus-DP protocol. Mounted on 35mm DIN rail, DC 9-30 V power supply. PH-P221 supports one optical fiber interface, one data interface, PH-P222 supports two
cascadable uplink and downlink optical fiber interfaces, and one data interface.