1.Full duplex communication.
2.Supports access to two-wire/twisted pair slaves: 2/4/8/16 units (optional).
3.Supports fiber self-healing ring network access.
4.Adopts corrosion-resistant and vandal-resistant cold-rolled steel waterproof and dustproof casing to extend the product life cycle,improve product reliability and stability, and prevent vandalism and tampering of hardware.
5.Wall-mounted, easy to install.
6.Waterproof and dustproof grade IP66.
7.With digital dialing keypad.
8.3 button programmable phone, support hotline dialing.
9.2 customized buttons (optional), support volume adjustment.
10.Magnetic reed hook-switch.
11.Heavy duty handset with hearing aid compatible receiver, noise canceling microphone.
12.Handset with industrial strong armored cable.
13.Silicon keypad keep waterproof and dusty proof.
14.DC input over-voltage over-current protection and RJ 45 surge protection.
15.Temperature range from -40 degree to +70 degree.
16.Support echo cancellation.
17.Remote software upgrade, configuration and monitoring.
18.Optional 7 minutes limited call. (This function is upon buyer's requirement).
19.Powder coated in UV stabilized polyester finish,defaulted color yellow.
20.Application:Pipeline corridor, power, tunnel, metro, railway, light rail, highway, steel plant, ship, offshore, mine, power plant, bridge, etc.
