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TDM E1/FXO/FXS/V.35/RS232 Over IP Modular Multiplexer V-IPMUX-CH

Our VeeCOM V-IPMUX-CH is Modular TDM Over IP device, which can take E1 module(4/8*E1 interfaces), Voice module(4/8/16*FOX/FXS/E&M/Magnet interface), V.35 module(2*V.35 interface), Serial interface module(2/4*RS232/422/485 interface); The maximum capacity can be filled in 4 slots. Enables operators and enterprises to seamlessly and reliably connect TDM devices and user Ethernet on a standard low-cost wireless or wired Ethernet/IP fabric with no impact on voice quality. TDM over IP is transparent to TDM signals, ensuring that any device with a physical E1 interface is seamlessly connected, such as PBX, mobile base stations, SS7 signaling devices and voice mail systems. Can be used in IP-based communication systems such as LAN, WAN, MAN, and wireless networks.

It is has 4 slot service card, two 10/100/1000M Ethernet ports, one 1000M Ethernet optical port/SFP, and one console management interface.


Provide Console (CLI) and WEB management;

Provides 4 slot service card, 2*10/100/1000M Ethernet ports, and 1*1000M Ethernet SFP port;

E1 interface can be 75Ω or 120Ω;

Transparent transmission of unframed/framing E1 (N*64K) signals over IP networks, in compliance with G.703 regulations;

The clock recovery adopts the unique clock algorithm technology, the frequency reproduction is stable, the jitter and drift are small, and the jitter and drift of the recovered clock are in accordance with G.823/G.824 and G.8261;

High transmission efficiency, low transmission delay; Ethernet packet length can be set, support long packet; support VLAN setting;

Support package loss indicator function for E1 transmission line;

Local and remote E1 loop and local E1 enable function;

High efficiency transmission, up to 90% bandwidth utility ratio;

Support WEB network management for online upgrade of local and remote device software and hardware;

Point to point or point to multi-points connections, satisfying different applications.

Provide 4 slots plug-in modules:
(1)4*E1(75/120ohm) Card;
(2)4*FXO/FXS/E&M/Magnet Card;
(3)8*FXO/FXS/E&M/Magnet Card;
(4)16*FXO/FXS/E&M/Magnet Card;
(5)2*V.35 Card;
(6)2/4*RS232/422/485 Card;


  • 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

  • E1 Interface

Standard:      Conform to G.703 standard

Code rate:     2.048Mbit/s±50ppm

Code type:     HDB3       

Impendence: 75Ω(unbalance)/ 120(balance)

Connector: BNC(unbalance)/ RJ45(balance)

Jitter tolerance:  conform to G.742 and G.823 

  • 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

  • V.35 interface

        Interface rate:                2048Kbps

        Interface Standard:            Compatible with V.35 Standard

        Connector:                 DB25

        Connect Mode:                 DCE

  • 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)


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