SIP 24/7 network Yd-qt01

Highway mine broadcasting
emergency call station emergency
call tunnel telephone system fiber
optic network IP phone-features; 1;
wall-mounted installation, beautiful
appearance, 2; Support two 100m
optical fiber ports, support 128 ring
network nodes, 4; SIP
communication protocol, equipment
self-check and report working
status, 5; Cooperate with fiber
emergency telephone server to
realize group call, group call,
recording and other functions, 7;
support 1/0 signal input and output
interface
Technical parameters;
1. Fiber interface supports dual-fiber single-mode, single-fiber single-mode, and dual-fiber multi-mode. Feedback 2. Wavelength: 850nm/1310nm/1550nm
Operating Temperature: -35 °C ~ 70 °C relative humidity: 10% ~ 95% atmospheric pressure: 86 ~ 106 KPA ambient noise: ≤100dB (a)
Ring level: ≥90Db
The communication protocol is standard SIP 2.0 and can be registered to IP PBX which supports SIP.
6. Power supply: DC12V or AC180-230V.
7; machine size: 308 * 188 * 154mm
Packing material: Pearl Cotton, Carton 9; gross weight: 5KG
NET weight: 4KG 10; built-in power amplifier 50W can drive fixed resistance speaker
No power; 50W + 65rmb 100W
+ 90rmb