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8E1 TDM over Ethernet (IP) Converter

View : 1,169
Type : E1 over IP
Description :

This device is mainly used for transmitting E1 signal over the IP network.


This device is mainly used for transmitting E1 signal over the IP network. It allows operators and enterprises to seamlessly and reliably connect TDM equipment and user Ethernet over a standardized, low-cost wireless or wired Ethernet/IP infrastructure, without any 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. It can be used in IP-based communication systems such as LAN, WAN, MAN, and wireless networks.


This device features 8 E1 service ports, 2 10/100/1000M Ethernet ports, 1 100/1000M Ethernet optical port, and a console management interface.


19 Inch TDM 8 E1 over IP Converter 19 Inch TDM 8E1 over IP Converter


Arm cortex – M4 processor with main frequency of 192mhz is adopted;

Anodized aluminum alloy shell, IP40 protection grade, can withstand the test of harsh environments;

It provides console (CLI) and web management interfaces, making it easy to install and activate;

It features 8 E1 ports, 2 10/100/1000M Ethernet ports, and 1 100/1000M adaptive Ethernet SFP optical port;

E1 interface supports both 75 Ω and 120 Ω interfaces without setting;

The device is capable of transparently transmitting both framed and unframed E1 (N*64K) signals over IP network, which is in compliance with the relevant G.703 standards;

The clock recovery process employs unique clock algorithm technology, ensuring stable frequency restoration with low jitter and drift. Furthermore, the jitter and drift of the recovered clock comply with the recommendation of G.823/G.824 and G.8261;

It offers high transmission efficiency and low transmission latency. Ethernet packet length can be configured, and jumbo frames are supported. Additionally, the device supports VLAN settings;

It supports E1 link loss indication function;

It supports local and remote E1 loopback functions, as well as local E1 enablement settings;

It offers high transmission efficiency, with up to 90% bandwidth utilization efficiency;

It supports online software and hardware upgrades for both local and remote devices via the web management interface;

Multiple power supply modes are available: AC220V, DC-48v / DC24V, etc.


● 10/100/1000M Ethernet Interface

Protocol: IEEE 802.3az, IEEE 802.1Q (VLAN)

Rate: 10/100/1000M adaptive, full/half duplex fully adaptive

MAC Address Table Capacity: 4096 MAC addresses can be learned

Physical interface: RJ45 seat supports auto mdix


● E1 Interface

Device Interface: Compliant with G.703 recommendations

Speed: 2048kb/s ± 50ppm

Line Code: HDB3

Impedance: unbalanced 75 Ω/balanced 120 Ω

(unbalanced coaxial interface adapter can be adapted to 75-2/3 coaxial cable)

Jitter Performance: Compliant with G.742 and G.823 recommendations

Input Port Attenuation Allowed: 0~6dbm


● Environmental Indicators

Operating temperature: – 10 ℃ – + 60 ℃

Storage temperature: – 40 ℃ – + 85 ℃

Working humidity: 0% – 95% (no condensation)

MTBF: > 100000 hours




Function Description

8 E1 interface is transmitted on the IP network to support console network management and web network management

Port Description

8 * E1 interface, 2 10/100/1000M Ethernet ports, 1 100/1000M adaptive Ethernet SFP optical port, web network management interface, console interface

Power Supply

Power supply: ac180v ~ 260V; DC –48V; DC +24V
Power consumption: ≤ 10W

Product Size



2.3Kg / pc


application of TDM 8E1 over IP Converter


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