High Quality Desktop E1 PCM MUX 8 Channels FXO/FXS Telephone Transceiver over E1
High Quality Desktop 8 Channels FXO/FXS Telephone Transceiver over E1
Product Overview
This device provides 8 telephone output, or four-way RS232.It also has 4U rack type.
Equipment electrical part for the whole digital circuits, machine reliability, stability, low power consumption, high integration, small size, easy installation and maintenance. Many customers are telecommunications operators E1 leased lines used in computer networking, this equipment can be rented at the E1 line opened a few road phone, you can make free calls between headquarters and branch offices of this.
Product Features
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Alarm status can be monitored on the end;
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E1 interface complies with G.703, all-digital clock recovery and smooth phase-locked technology;
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Support FXO voice port FXS ports and ports, EM2 / 4 audio interface, FXO port and PBX docking port and the user is connected to FXS telephone;
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Providing four expansion interface, can be extended from 1 to 4 asynchronous data, such as RS232 / RS485 / RS422 / Manchester codes; or 1 to 8-way switch, 1 to 4-way voice, or two / four-wire audio, etc.;
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Ethernet interface 10M / 100M, full / half duplex fully adaptive, support VLAN division;
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Each Ethernet ports support Auto-MDIX (cross / straight cable adaptation);
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8 voice access, support caller ID function and reverse polarity billing functions;
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Support Telephone Number mutual function of each site;
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E1 signal can be detected as a barrier to the end device is lost or shut E1;
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Provide two kinds of clock ways: E1 master clock, E1 line clock;
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Provides three kinds of loopback: E1 local loopback (ANA), the Ethernet interface to the remote loopback (DIG), command peer Ethernet interface to the local loop (REM);
- There are pseudo-random code test function (PATT), to facilitate the opening line, which can be when one of E1 BERT to use;
- Multiple power mode options: AC220V, DC-48V / DC24V, etc;
Technical parameters
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E1 Interface |
Interface Standard: comply with protocol G.703; |
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Interface Rate: n*64Kbps±50ppm; |
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Interface Code: HDB3; |
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E1 Impedance: 75Ω (unbalance), 120Ω (balance); |
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Jitter tolerance:In accord with protocol G.742 and G.823 |
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Allowed Attenuation: 0~6dBm |
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FXS Phone Interface |
Ring voltage: 75V |
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Ring frequency: 25HZ |
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Two-line Impedance: 600 Ohm (pick up) |
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Return loss: 40 dB |
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FXO Switch Interface |
Ring detect voltage: 35V |
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Ring detection frequency: 17HZ-60HZ |
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Two-line Impedance: 600 Ohm (pick up) |
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Return loss: 40 dB |
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EM 2/4 Line |
AD: 0dB |
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DA: -3.5dB |
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Two/Four-line Impedance: 600 Ohm |
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Return loss: 20 dB |
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Power |
Power supply: AC180V ~ 260V;DC –48V;DC +24V |
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Power consumption: ≤10W |
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Dimension |
Product Size |
Mini Type 216X140X31mm(WXDXH) |
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19inch 485X200X45mm(WXDXH) |
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Simple packaging |
274X193X84mm(WXDXH) |
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19inch 522X198X82mm(WXDXH) |
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Piece Weight |
mini 1KG / 19inch 2.4KG |
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Working environment |
Working temperature: -10°C ~ 50°C |
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Working Humidity: 5%~95 % (no condensation) |
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Storage temperature: -40°C ~ 80°C |
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Storage Humidity: 5%~95 % (no condensation) |
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Networking Applications
- Step 1Find your interested products by search keywords
- Step 2Contact the supplier by clicking ”Enquire” or “request meeting” button, otherwise, you also could consult our import consultant.
- Step 3After verifying your email, get response from suppliers or our trade manager will contact you as soon as possible
- Step 4Set up meeting with the Chinese supplier without language barrier