Sell TDM over IP

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Brief introduction:

IDM-TOP series of products is also called IP circuit emulator or adverse gateway. It supports 1~16 groups of E1 service base on TDM be extended to packet exchange network. Via the group network (Ethernet, IP network or MPLS network) , the transmission of TDM service is very convenient. At the same time, the system assures the clock of the TDM and the jitter haracteristics are superior to the ITU. Firstly, turn 1~16 E1/T1 circuit to IP groups, then transmit it to the Ethernet/IP network via 10/100Base-T (or 100Base-FX) layer.

The IDM-TOP equipments turn the TDM service to data packets which are based on the PSN network, the other side of the network executes adverse operation. It can be used on interface conversion , industry custom bandwidth rents, the TDM solution based on PON equipments in public network, Wireless equipments TDM solution, TDM circuit realization on industry Ethernet ring, IP private network consumers accessing improvement and the conversion of the E1 channel in the twisted-pair.


1. Archive the conversion of 1~16 groups of TDM services into packet exchange network;

2. Can transport on the complicated IP exchange network and so it can adapt some time delay while the transmission capability is good on the second layer of the Ethernet ;

3. Supporting framed (all or part of it) and unframed E1 flow. The separate frames can be configured flexibly;

4. QoS management, low processing time delay; assure the quality of TDM service;

Supply: 220VAC/12VDC/5VDC
Consumption: <=15W

E1 interface
Channels: 1~16
Comply with: ITU-T G.703, G.706, G.704
Data rate: 2048kbps150ppm
Code type: AMI/HDB3
Inpendance: 75(Ohms) unbalanced & 120(Ohms) balanced
Physical connector: RJ45 for balanced & BNC for unbalanced
Receiver: -2.5 ~ -43dB

Ethernet interface
Comply with: IEEE 802.3, 802.1P, 802.1Q
Rate: 10/100Mbps auto-negotiation
Duplex: Full/Half auto-negotiation
Physical connector: RJ45

ETH interface
Comply with: IEEE 802.3,802.1P,802.1Q
Wavelength: 1310/1550nm
Sensitivity: <= -35dBm
Physical connector: RJ45

Working Environment
Temperature: 0:C~50:C
Humidity: 0~95% (non-congelation state)


Model Width W depth W height (mm)
IDM-TOP8/4/2/1 260 x 135 x 44
IDM-TOP16 495 x 307 x 47