E1 to 16 *telephone + 2 * network interfac （PCM multiplexer）
Pcm16 equipment is a new generation of highly integrated single board PCM base group multiplexing equipment based on independent software and thick film technology. It can directly provide 16 voice interfaces and 1 ~ 2 nx64k Ethernet data ports on the 2m channel of the standard pcm16 base group
he voice series equipment is mainly used to complete the connection between telephones or between telephones and SPC exchange through transmission network. The device is of intelligent design, that is, when the phone is not off hook, all 2m bandwidth belongs to the network port.