Excuse me, the enterprise local area network (LAN), 2 it is to use of optical fiber, excuse me, does this through the optical fiber to connect 2 internal phone?

CodePudding user response:

Should have corresponding equipment on both ends

CodePudding user response:

Die number - - - - die,,,,,,,,
Better to use digital telephone,
Our factory with 30 b + d

CodePudding user response:

The light end machine like network transceiver equipment