Shenzhen JHA Technology Co., Ltd is one of the leading manufacturers of hardened Ethernet, PoE, and fiber connectivity products specifically designed for harsh and demanding environments.


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Modular multi-service Fiber MUX JHA-C2PM-E16

    • Provides total 16 E1 transparent transmission capacity ;
    • With char 16*2 LCD display and SNMP agent inside.
    • Provice one hotline channel for option;
    • 2ch video Tx + 1ch RS 485 data Rx Optical Video Transmitter and Receiver JHA-D2TV1RB-20 2ch video Tx + 1ch RS 485 data Rx Optical Video Tran... 1ch video Tx + 1ch RS232+ 1ch RS 485/RS422 Optical Video Transmitter and Receiver 1ch video Tx + 1ch RS232+
    • The rate of optical port is 155Mbps, transmission range can reach 25KM, 40KM, 60KM, 80KM or 100KM;
    • Provide two fiber interface 1+1 protect(APS)function ,and ALS(Automatic Laser Shutdown/Reduction)function
    • Provide 4 slots plug-in modules:
    • 4×unFramed E1 module(75Ω)/(120Ω)
    • 4×Framed E1 module(75Ω)/(120Ω),any timesolts can be set
    • 4×FXO/FXS/EM2-4/Magnet telephone module
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Modula Multi-Sevice PDH

PDH Multiplexer

PDH/Voice Multiplexer

  • Modular multi-service Fiber MUX JHA-C2PM-E16



    This device is modular structure point-to-point optical transmission equipment with LCD display, uses the FPGA chips and easy to upgrade. The Main board provide 4*100M channel Ethernet data and 2 AUX port which is for transmitting other data such as RS232/RS485/RS422, two optical interface for optional 1+1 auto protection switch (APS).

         4 slots of tributary with variant plug-in modules which included 4xE1 channels module, 4/8/16 x FXO/FXS module and 2x Nx64K V.35 module.The maximum capacity will be up 4 plug-in modules which could be combinations with above modules.The high flexibility, performance, is the best solution for voice/data/video services in existed market.


    Product Photo

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    Desktop  Type



    ♦  8×FXO/FXS/2 line audio/Magnet telephone module

    ♦  16×FXO/FXS/2 line audio/Magnet telephone module

    ♦  2×V.35 (2.048M Fixed speed) module

    ♦  2×V.35 (N*64K N=1-32) module

    ♦  4×RS232/422/485 module

    ♦  4*FE to E1 bridge(wire speed 2.048M) module

    • Provide 4FE(wire speed 100M)Ethernet channel, support mutual negatiate, Ethernet bandwidth is set on base on multiple of 32K.;
    • Ethernet port supports full/half duplex, 10M/100M auto-ataptable;
    • Ethernet port supports VLAN function and has 4 devision mode for user selection;
    • Ethernet package size support 1916 byte and 4 Ethernet port could be set seperately;
    • Has complete alarm function and can monitor remote device status;
    • Supports E1 loop from remote so as to detect and manage device conveniently;
    • The combination AC220V and DC-48V for redundant



    ♦  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)



    Model Model Number: JHA-C2PM-E16
    Functional Description LCD PDH, 4FE,With 4 multifunction slots, with ALS function,Console and SNMP,1+1 Back up Optic fiber
    Port Description 1+1 optical port, 4 multifunction slots, 4 FE interfaces,1*RS232 Console interface,1*SNMP Ethernet interface, one engineering order-wire telephone interface
    Power Power supply: AC180V ~ 260V;DC –48V;DC +24VPower consumption: ≤10W
    Dimension Product Size: 216X140X31mm(WXDXH)
    Weight 3KG/PCS


    The motherboard provides:
    1. LCD display;
    2.4-channel wire-speed 100M shared Ethernet channel;
    3.2- channel RS232 / 422/485 asynchronous channels;
    4.1 channel public telephone
    5. SNMP network management

    4 slot, supports mixed insertion, provide:
    4 × E1 module (75Ω) / (120Ω)
    4 × framing E1 module (75Ω) / (120Ω), you can set an arbitrary time slot
    4 × FXO / FXS / EM2-4 / magnet module
    8 × FXO / FXS /2 wire audio / magnet module
    16 × FXO / FXS /2 wire audio / magnet module
    2 × V.35 (2.048M fixed rate) module
    2 × V.35 (N * 64K N = 1-32) module
    4 × RS232 / 422/485 / switch module
    4 Ethernet bridge (rate 2.048M) module
    As above, if you want to achieve 8E1 + 4FE + 32-way telephone (FXO / FXS) function, you can configure two 4E1 cards, two 16xFXO / S telephone cards

    The Modular Multi-Service Fiber MUX is an innovative and versatile solution that revolutionizes the efficient and cost-effective transmission of multiple services over fiber optic networks. It combines the functionalities of multiple network devices into a single platform, providing enhanced flexibility, scalability, and simplicity.

    Our Modular Multi-Service Fiber MUX offers a comprehensive set of features and modules, making it suitable for a wide range of applications, including telecommunications, enterprise networks, data centers, and service providers. It enables the aggregation and transport of various services, such as voice, data, video, and Ethernet, over a single fiber infrastructure.

    The key advantage of our Modular Multi-Service Fiber MUX lies in its modular design and scalable architecture. It consists of multiple slots that can accommodate various interface modules, allowing for easy customization and upgradeability based on specific network requirements. This modularity ensures future-proofing and cost-effectiveness, as additional services and interfaces can be seamlessly added without the need for significant infrastructure changes.

    Our Modular Multi-Service Fiber MUX supports a wide range of interface modules, including T1/E1, DS3/E3, Ethernet, STM-1/OC-3, and STM-4/OC-12. This versatility enables seamless integration with different types of network equipment and protocols, ensuring compatibility with existing infrastructure. It also supports a variety of transmission standards, including synchronous and asynchronous, further enhancing its adaptability to diverse network environments.

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