NS-2

2 wire network switch * Support network and power supply for R20A-2 or C313W-2 through 2-wire cable; * Support multi-level cascade through 2-wire cable; * Connects up to 6 pcs of Akuvox 2-wire IP intercom devices; * Super long transmission distance via 2-wire cable; * Powerd by 48VDC or 24VDC power supply unit; * Rail mounting installation;