P-9945A Loop Network Card Features Two photoelectric isolation RS485 interfaces. Suitable for ring network Com. Interface -Two RS485 interfaces Com. Distance -The distance between two neighbor nodes is less than 1200m Network Capacity Maximum 32 GST series control panels for networking Transmission Medium 1.0 mm2 or above twisted pair, shielded twisted pair is recommended Baud Rate 4800bps Ambient Temperature 0℃～ 40℃
