16 channel telephone
Model: HL-16P
Description: 16 channel telephone
Features
1.Provide 16 channels telephone interface
2.Use of audio frequency transformer and photoelectric coupler to completely separate the telephone interface and other circuits
3.Voice interface support caller ID and provide polarity reversal signal
4.Each voice signal has three levels of over-current voltage protection
5.Conventional standard single mode transmission 20KM, multi-mode 1KM, the farthest single mode can be customized up to 100KM
6.Single fiber / dual fiber transmission (optional)
7.No compression, no delay, high fidelity speech
8.Plug and play, no debugging
9.Perfect LED status display function, easy to maintain and manage
10.The device distinguishes between transmitter and receiver, and the label distinguishes the relay switch and the telephone