Fiber-4Voice +GE Multiplexer JHA-P04GE01  Overview   This device provides 1-4Channel telephone, 2Channel 10M/100M/1000M Ethernet interface (Wire Speed 100M)，1Channel Ethernet interface is switch interface, can support VLAN.  Photo   Mini Type Features Based on self -copyright IC； The local end can display the fiber connection status of the remote device； Voice port supports FXO and FXS port,Support FXO/FXS, Magnet telephone Interface, FXO port docking with program-controlled switchboard, FXS port connected to the user's telephone;; 1~4channel Voice access, Voice FXO / FXS interface, support for caller ID / reverse polarity billing / fax function;； Support various sites mutual number allocation function； Ethernet interface can support AUTO-MDIX (crossed line and straightly connected line self-adaptable)； External AC220/5-12V power adapter, can also be external DC-48V/5-12V power adapter； Telephone interface with lightning protection, lightning reached IEC61000-4-5 Short circuit current wave 8 / 20μs, the peak output voltage 6KV open standards. 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(10/100/1000M) Interface rate:                           10/100/1000 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 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 Model JHA-P04GE01 Functional Description 4* telephone，1*1000 Mbps Ethernet，1* Fiber interface Power Power supply: DC5-12V Power consumption: ≤10W Dimension Product Size:   90X104X31mm(WXDXH) mini type Weight 0.6KG  Application