HY6311A

Support up to 99 bus extensions or jacks
Automatic inspection, inspection cycle 1 second
9 hours of call recording, 500 records query
Line and extension fault detection function
Full-duplex call, can talk to up to 5 at the same time
Maximum transmission distance 1500 meters
Non polar two buses
Extension address has Chinese annotation function

HY6311A Switchboard

1: Single-line call: can carry 50 multi-line telephone extensions/ jacks

2: Addressable call: with 99 Addr. telephone extensions/jacks

3: Power supply DC24V: telephone switchboard power supply