Fiber-4Voice +4FE Multiplexer JHA-P04FE04 Overview   This device provides 1-4Channel telephone, 4Channel 10M/100M Ethernet interface (Wire Speed 100M)，4Channel Ethernet interface is switch interface. The whole machine works reliably and stably with low power consumption, high integration, small size and easy installation and maintenance. 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 10 / 700μs, the peak output voltage 6KV open standards. ♦  Fiber Multi-mode Fiber 50/125um, 62.5/125um, Maximum transmission distance:          5Km @ 62.5 / 125um single mode fiber, attenuation (3dbm/km) Wave Length:                                         850nm/1310nm Transmitting power:                               -12dBm (Min) ~-9dBm (Max) Receiver sensitivity:                               -28dBm (Min) Link budget:                                           16dBm Single-mode Fiber 8/125um, 9/125um Maximum transmission distance:          120Km Transmission distance:              20~120Km @ 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 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) Model JHA-P04FE04 Functional Description 4* telephone，4*100 Mbps Ethernet，1* Fiber interface Power Power supply: DC5-12V Power consumption: ≤10W Dimension Product Size: 216X140X31mm(WXDXH) mini type Weight 1KG Application