LNK-E1-30PCM Voice Multiplexer
Advantages
· Based on self -copyright IC
· The machine is single PCB design
· Can monitor the remote alarm status
· E1 interface comply with G.703, adopts digital clock recovery and smooth phase-lock technology
· Provide 2 expansion interfaces(AUX1/2), you can extend 1-4Channel asynchronous data, such as RS232/RS485/RS422/Manchester code; 1-8Channel switch , two/four line audio and so on
· 1-30Channel voice access, supports caller ID feature and reverse polarity billing functions
· Support various sites mutual number allocation function
· Voice port supports FXO and FXS port, EM2/4 audio interface, FXO port docking with program-controlled switchboard, FXS port connected to the user's telephone
· Desktop device supports independent SNMP network management and optical multiplexer network management cascade (optional)
· Have LED when the device is power-off or E1 line is broken or lose signal
· Can monitor the temperature and voltage (network management platform)
· Can monitor the remote equipment temperature and voltage (network management platform)
· AC 220V, DC-48V, DC24V can be optional
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 |
| FXS Phone Interface |
| Ring frequency | 75V |
| Maximum transmission distance | 25HZ |
| Two-line Impedance | 600 Ohm (pick up) |
| Return loss | 40 dB |
| FXO Switch Interface |
| Ring detect voltage | 35V |
| Ring detection frequency | 40Km |
| Transmission distance | 17HZ-60H |
| Two-line Impedance | 600 Ohm (pick up) |
| Transmitting power | -9dBm (Min) ~-8dBm (Max) |
| Return loss | 40 db |
| Link budget | 18dBm |
| E1 Interface |
| Interface Standard | comply with protocol G.703 |
| Interface Rate | 2048Kbps±50ppm |
| Interface Code | HDB3 |
| E1 Impedance: | 75Ω (unbalance), 120Ω (balance) |
| Jitter tolerance | In accord with protocol G.742 and G.823 |
| Allowed Attenuation | 0~6dBm |
| Power |
| Power supply | AC180V ~ 260V；DC –48V；DC +24V |
| Power consumption | ≤7W |
| Dimension |
| Product size | 19 inch 1U 485X138X44mm(WXDXH) |
| Simple packaging | 522X198X82mm(WXDXH) |
| Piece weight | 3KG |
| Working environment |
| Working temperature | -10°C ~ 50°C |
| Working Humidity | 5%~95 % (no condensation) |
| Storage temperature | -40°C ~ 80°C |
| Storage Humidity | 5%~95 % (no condensation) |
| Dimension |
| 19 inch 1U | 483(Length)X200(Width)X44(height)mm |
Application
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LNK-E1-30PCM Voice Multiplexer Images
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