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8E1 crossing-slot device

DXC8 crossing connection device provide 8 E1 interface, which has 256-8 any time the function of the cross connection, the equipment port density high, test function is strong, compact structure, convenient operation, has the rich management, maintenance and testing function, can realize the effective management of the transmission network, the reliable network protection/recovery, and automation wiring and monitoring, and can be widely used in the special line scheduling, TV conference, telephone, radio and television, file transfer business.

Chapter 1 Product Introduction

1.1 function

DXC8 crossing connection device provide 8 E1 interface, which has 256-8 any time the function of the cross connection, the equipment port density high, test function is strong, compact structure, convenient operation, has the rich management, maintenance and testing function, can realize the effective management of the transmission network, the reliable network protection/recovery, and automation wiring and monitoring, and can be widely used in the special line scheduling, TV conference, telephone, radio and television, file transfer business.

1.2 Characters

            Integrated circuit based on independent intellectual property

     rights.                

            Flexible configuration system clock, 8 E1 route clock or the

      local clock establish willfully,to facilitate the Web sync.

            Provides 8 E1 interface, 256-8 time slots in any cross.

            For broadcast-style Cross,one way to multiple E1 information

      at the same time radio direction.

           Through the cross connection configuration can be set E1

      loop back function, facilitate debugging, fault location.

            E1 interface compatible with ITU-T G-703, g.726 and g. 823

            E1 interface module contains the built-in clock recovery

      circuit and HDB3 decoding circuit

            With the company's E1 port FMO-V35S and FE1 optical fiber

      Modem couplets, can DXC equipment in the Internet tube

      FMO-V35S and FE1 optical fiber Modem equipment

           When DXC through the E1 Internet, but through the E1 time

      buttress 0 remote management DXC equipment

            Centralized monitoring, facilitate maintenance management

1.3 parameters and index

   E1 interface

     Standard:      E1 interface compatible with G.703 standard.

Rate:          n*64 kbps (n= 10-31)

Coding:          HDB3

Impedance:       75Ω (unbalance), 120Ω (balance)

Connector:       BNC (75Ω), RJ45 (120Ω)

Jitter Performance: According to G.742 and G.82

1.4 working conditions

Input voltage:             AC180V ~ 260V; DC-48V; DC+24V

Power consumption:        ≤5W

Operating temperature:           0°C ~ 50°C

Storing temperature:       -40°C ~ +70°C

Relative humidity:                  95 %

Without causticity or solvent gas, no floating dust, no electromagnetic interference.

1.5 dimension

Desktop equipment: 483 (wide) x 138 (deep) x 44 (high) mm