4E1 10/ 100M ethernet PDH multiplexer: PDH-4L

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4E1 10/ 100M ethernet PDH multiplexer: PDH-4L
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Introduce
PDH-4L is the 4E1 point-to-point optical transport equipment that uses the FPGA chips and it is easy to upgrade. It is single board structure and the largest transmission capacity is 4E1 and 100M line Ethernet data, one channel RS232. The outer design use the standard 19 inches rack, so the volume is small, weight is light and operation is convenient and credit.

Features
1.Provides 4 E1 transparent transmission ;
2.Provide 100M line Ethernet channel, support mutual negatiate, Ethernet bandwidth is set on base on multiple of 32K.;
3.Provide one RS232 channel for option;
4.Provice one hotline channel;
5.The rate of optical port is 155Mbps, transmission range can reach 25km, 40km, 60km, 80km or 120km;
6.E1 interface code is HDB3 E1 vibration characteristic conforms to ITU-T G.703
G.823 and G.742;
7.Ethernet port supports full/ half duplex, 10M/ 100M auto-ataptable;
8.Has complete alarm function and can monitor remote device status;
9.Supports E1 loop from remote so as to detect and manage device conveniently;

Technical Specification
1.Environment requirement
Operating temperature: 0~ 50 degrees
Storing temperature:
40 ~ + 70 degrees
Relative humidity: 95%

2.Power supply
AC220V: input voltage AC 180V to 260V
DC-48V: input voltage -36V to -72V

3.Consumption
consumption: d 5W

4.E1 interface
Interface code: HDB3 code
Line speed: 2.048Mbp/ s ± 50ppm
Interface standard: ITU-T G 703
Interface impedance: 5 ohm/ unbalanced ( BNC) , 120ohm/ banlance ( RJ45)
Allowed attenuation: 0~ 6dBm

5.10/ 100Base-T Port:
Rate: 10/ 100M, full/ duplex auto-negotiation
Protocol: Support IEEE 802.3, IEEE 802.1Q ( VLAN)
MAC Address Entiries: 4096 Entiries
Connector: RJ45

6.RS232/ Console port
Rate: 300
115.2Kbps auto-adaptable ( Asynchronous)
Interface characteristic: satisfies ITU-T V.24 standard
Connector: RJ45

7.Optical interface:
Optical wavelength:
1310nm/ 1550nm for single-mode optic interface for option
850nm/ 1310nm for multi-mode optic interface for option
Optical interface: SC/ FC/ ST for option
Sending consumption: -9dBm/ -5dBm
Receiving and dispatching module: > -6dBm
Optical receiver receiving sensitivity:

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