PRODUCT CHARACTERISTIC
- Internet fiber modem based on the integrated circuit intellectual property rights
- The input switch normally open and close automatically, when the input state
- Switch output that is why state, convenient opening
- The switch quantity of other switch state stability in the boot state or fiber no access, no chaos motion state
- This optical fiber modem provides 1~4 way dry contact
- A switch interface lightning reaches IEC61000-4-5 (8/20 μ S) differential mode
- 6KV, impedance (2); common mode: 6KV, impedance (2) standard
- The optional AC 220V, DC -48V, DC +24V, DC power supply positive and negative
- pole points (this device supports only DC +5V supply)
1~4 channel fiber modem's E1 interface
- Line Rate: 2.048Mbps±50ppm
- The fiber modem’s line Code: HDB3
- Interface Standard: ITU-T G.703
- E1 Impedance: 75Ω(unbalance) and 120Ω(balance)
- Connections : dual coax BNC and 120-ohm twisted-pair(RJ45)
- Jitter tolerance : finer than G.742 and G.823
Internet fiber modem's dry contact
Optical fiber modem's response time: <2ms
Delay time: 0.5ms
Switch signal: 30VDC/0.5A
Connector: RJ45
Frequency response: 20HZ/S
Power supply
working voltage range wide, good
anti-disturb and Isolation, work stable
option I – DC-48V, range DC-36V~DC-72C
option II – AC220V, range AC165V~AC240V
Power Consumption: <=3 Watts
Internet fiber modem environment condition
The optical fiber modem’s operating temperature: 0C~+50 C
Storage temperature: -20 C~+70 C
Relative temperature: 95% (uncondensed)
1~4 channel fiber modem dimension
Application