This device provides 8Channel telephone 1-4Channel E1 interface, 4Channel 10M/100M Ethernet interface (Wire speed 100M) and 4 expansion interface. 4Channel Ethernet interface is switch interface, can support VLAN. 4 expansion interface can be used as the transmission channel of RS232/RS485/RS422 asynchronous data, voice signal, 2/4 line E&M audio signal, switch signal, Ethernet signal (Bandwidth 2M). It is very flexible.

Features

Based on self -copyright IC

E1 interface comply with G.703, adopts digital clock recovery and smooth phase-lock technology Voice port supports FXO and FXS port,

Voice port supports FXO port and FXS ports, EM2 / 4 audio interface, magneto telephone interface;FXO port and docking PBX connected to FXS port and the user's phone;

1~8channel Voice access, supports caller ID feature and reverse polarity billing functions

Support various sites mutual number allocation function

Provide 4 expansion interface, you can extend 1~4Channel asynchronous data, such as RS232/RS485/RS422/Manchester code;1~4Channel voice, 1~8Channel switch or two/four line audio and so on

Ethernet interface supports10M/100M, half/full duplex auto- adaptable, support VLAN

4Channel Ethernet interface is switch interface, support VLAN, can set to 4 channel logical isolation

Ethernet interface can support AUTO-MDIX (crossed line and straightly connected line self-adaptable)

The transmission distance is up to 2-120Km without interruption

AC 220V, DC-48V, DC24V can be optional

Parameters

Fiber

Multi-mode Fiber

50/125um, 62.5/125um,

Maximum transmission distance:       5Km @ 62.5 / 125um single mode fiber, attenuation (3dbm/km)

Wave Length:                                  820nm

Transmitting power:                         -12dBm (Min) ~-9dBm (Max)

Receiver sensitivity:                         -28dBm (Min)

Link budget:                                     16dBm

Single-mode Fiber

8/125um, 9/125um

Maximum transmission distance:       40Km

Transmission distance:                     40Km @ 9 / 125um single mode fiber, attenuation (0.35dbm/km)

Wave Length:                                   1310nm

Transmitting power:                         -9dBm (Min) ~-8dBm (Max)

Receiver sensitivity:                         -27dBm (Min)

Link budget:                                     18dBm

E1 Interface

  Interface Standard:        comply with protocol G.703;
 Interface Rate:               n*64Kbps±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

Ethernet interface(10/100M)

Interface rate:                 10/100 Mbps, half/full duplex auto-negotiation

Interface Standard:             Compatible with IEEE 802.3, IEEE 802.1Q (VLAN)

MAC Address Capability: 4096

Connector:                   RJ45, support Auto-MDIX

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 dB

EM 2/4 Line

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 % (no condensation)

Storage temperature:            -40°C ~ 80°C

Storage Humidity:                 5%~95 % (no condensation)Specifications

Functional Description
 8 * telephone，4E1，4*100 Mbps Ethernet，Console or SNMP，Support 6U rackmount，Two Fiber interface，4*RS232/422/485
Power
 Power supply: AC180V ~ 260V；DC–48V；DC +24V

Powerconsumption:≤10W
Dimension
 Product Size:19inch  485X200X45mm(WXDXH)
 
Weight
 19inch  2.4KG