This device provides 1-8Channel telephone, 1 Channel 1000M Ethernet interface (Wire Speed 1000M)，1Channel Ethernet interface is switch interface, can support VLAN.

Overview: This series of equipment is developed by our company special vlsi PDH optical fiber transmission on the basis of the development of point-to-point optical transmission equipment. This product is a 19 inch 1 U rack installation, 64channel voice，4channel E1 interface, The application is very flexible. Have perfect alarm function, the machine work stable and reliable, low power consumption, high integration, small volume. Features: Based on proprietary integrated circuit; 1U19-inch rack-mount; 1-60 channels of voice access, supports Caller ID and reverse polarity billing functions; Support Telephone Number mutual function of each site; FXO and FXS voice ports support port, FXO port and docking PBX, FXS port is connected to the user's phone; E1 interface complies with G.703 recommends using digital clock recovery and smooth phase-locked technology; Can detect when the optical signal is lost for the end device powered down or fiber barrier, and through the LED indicates alarm; With this end in view job status display function remote device; Provide command remote loopback interface, easy to line maintenance; Unrepeated transmission distance of up to 2 to 120 km; Multiple power mode options: AC220V, DC-48V / DC24V, etc; DC-48V / DC24V power supply with automatic polarity detection function, when installed without distinction between positive and negative; Telephone interface with lightning protection, lightning reached IEC61000-4-5 Short circuit current wave 8 / 20μs,open-peak output voltage 6KV 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: 120Km Transmission distance: 120Km @ 9 / 125um single mode fiber, attenuation (0.35dbm/km) Wave Length: 1310nm Transmitting power: 2dBm (Min) ~-1dBm (Max) Receiver sensitivity: -32dBm (Min) Link budget: 24dBm *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 *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: Model JHA-PCO/S64E4F4C1 Functional Description 64 * telephone，4E1，4*100 Mbps Ethernet， Power Power supply: AC180V ~ 260V；DC –48V；DC +24V Power consumption: ≤10W Dimension Product Size:   485X200X45mm(WXDXH) 19 1U Weight 2.4KG  

This device provides 1-64Channel telephone, 2Channel 10M/100M Ethernet interface (Wire Speed 100M)，2Channel Ethernet interface is switch interface, can support VLAN.

This device provides 1-64Channel telephone, 2Channel 10M/100/1000M Ethernet interface (Wire Speed 1000M)，2Channel Ethernet interface is switch interface, can support VLAN.

This device provides 1-32Channel telephone, 2Channel 1000M Ethernet interface (Wire Speed 1000M)，2Channel Ethernet interface is switch interface, can support VLAN.

This device provides 1-32Channel telephone, 2Channel 10M/100M Ethernet interface (Wire Speed 100M)，2Channel Ethernet interface is switch interface, can support VLAN.

This device provides 1-16 Channel telephone,2Channel 10M/100M/1000M Ethernet interface (Wire Speed 1000M).Equipment electrical part for the whole digital circuits, machine reliability, stability, low power consumption, high integration, small size, easy installation and maintenance.

This device provides 1-16 Channel telephone,2Channel 10M/100M Ethernet interface (Wire Speed 100M).Equipment electrical part for the whole digital circuits, machine reliability, stability, low power consumption, high integration, small size, easy installation and maintenance.

This device provides 1-8Channel telephone, 1 Channel 10M/100M Ethernet interface (Wire Speed 100M)，1Channel Ethernet interface is switch interface, can support VLAN.

This device provides 1-4Channel telephone, 2Channel 10M/100M/1000M Ethernet interface (Wire Speed 100M)，1Channel Ethernet interface is switch interface, can support VLAN

This device provides 1-4Channel telephone, 2Channel 10M/100M Ethernet interface (Wire Speed 100M)，1Channel Ethernet interface is switch interface, can support VLAN.

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.