4E1+4FE PDH Fiber Multiplexer JHA-CPE4F4 Overview  This device  provides 1-4*E1 interface, 1-4*10M/100M Ethernet interface (Wire Speed 100M) and 2 expansion interface. 4* Ethernet interface is switch interface, can support VLAN. 2 expansion interface can be used as the transmission channel of RS232/RS485/RS422 asynchronous data. It is very flexible. It has alarm function. The work is reliable, stable, and low power consumption, high integration, small size. Product Photo Features Based on self -copyright  IC Modular wide dynamic optical detector Ethernet (Line Speed 100M) interface rate is 10M/100M, half/full duplex Auto-Nego E1 interface comply with G.703, adopts digital clock recovery and smooth phase-lock technology Uses standard 2 wire telephone (non-telephone handles) set as engineering order-wire hotline(optional) Provide 2 expansion interface can be used as the transmission channel of RS232/RS485/RS422 asynchronous data When optical lose signal, it can detect the remote device is power off or fiber is disconnected, and indicates  alarm by LED The local device can view the remote device working condition Provide command the remote interface Loop Back, ease line maintenance The transmission distance is up to 2-120Km without interruption AC 220V, DC-48V, DC24V can be optional DC-48V/DC24V power supply polarity detection function, Polarity-Free 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 ♦ 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 Model Number:JHA-CPE4F4 Functional Description 4E1+4FE PDH，order wire phone， 19''inch 1U，（Standard telephone interface, non-telephone handles） Port Description One optical port，4 E1 interface (75/120 ohms),4* FE Ethernet interfaceOne Console interface , 2 expansion interface, one engineering order-wire telephone interface Power Power supply: AC180V ~ 260V；DC –48V；DC +24VPower consumption: ≤10W Dimension Product Size: 19 inch 1U   483X138X44mm(WXDXH) Weight 19inch   2.3KG Application