E-link China Technology Co.,LTD
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Product Advantages
Overview
This device is a kind of developed point to point transmission equipment based on our company E1 line transmission the special-use VLSI. It has alarm function. 1-30Channel voice and 1-4 Channel serial data interfaces can be optional. Device can be built-in SNMP module, for SNMP management. The device circuit is digital circuit. The working is reliable, stable, and low power consumption, high integration, small size, ease of installation and maintenance.
Technical Indexes
| Parameter | Specification |
| Model | |
| FXS Phone Interface
| Ring voltage: 75V Ring frequency: 25HZ Two-line Impedance: 600 Ohm (pick up) Return loss: 40 dB |
| FXO Switch Interface
| Ring detect voltage: 35V Ring detection frequency: 17HZ-60HZ Two-line Impedance: 600 Ohm (pick up) Return loss: 40 d |
| E1 Interface
| Interface Standard: comply with protocol G.703; E1 Impedance: 75Ω (unbalance), 120Ω (balance); Jitter tolerance: In accord with protocol G.742 and G.823 Allowed Attenuation: 0~6dBm |
| Dimension | Product Size: Mini Type 216X140X31mm(WXDXH) 19inch 485X200X45mm(WXDXH) |
| Power
| Power supply: AC180V ~ 260V；DC –48V；DC +24V Power consumption: ≤7W |
| Working Environment
| Working temperature: -10°C ~ 50°C Storage temperature: -40°C ~ 80°C |
| Dimension | 19 inch 1U: 483(Length)X200(Width)X44(height)mm |
| FXO Switch Interface
| AD: 0dB DA: 3.5dB Two/Four-line Impedance: 600 Ohm Return loss: 20 dB |
| Working environment | Working temperature: -10°C ~ 50°C Working Humidity: 5%~95 % (nocondensation)Storage temperature: -40°C ~ 80°C Storage Humidity: 5%~95 % (no condensation) |