Multiplexer DCL PCM 100

The device can use TDM (Time Division Multiplexing) technology to multiple variety of service signals to E1 channels, to realize multi-service access function, more suitable for users with many types of service, the device offers a variety of service interfaces to support voice, Ethernet, RS232 etc. Machine is designed to be simple, easy to use.

1 Features

1. Provides 10/100M service, bandwidth can be set, working method is adaptive, with VLAN transparent transmission functions;

2.Provides up to 30 voice loop interface,centre or remote optional;

3. It provides 2-way RS232 data interfaces;

4. It is supplied with perfect function of status indication to facilitate maintenance and management;

5. Machine veneer design lightweight, easy to use

6. Multiple power supply (220V,-48V optional).

2 Specifications

2.1 E1 Interface

  • E1 interface complies with the proposed G.703
  • Rate: 2048Kb / s ± 50ppm;
  • Code type: HDB3;
  • Impedance: 75Ω unbalanced or 120Ω balanced manner;
  • Jitter: meet the G.742, G.823 recommendations;
  • Allow input attenuation: 0 ~ 6dBm.

2.2 Ethernet Interface

  • 10/100Base-Tx  half / full duplex mode;
  • Meet IEEE802.3/IEEE802.3u standards;
  • Use standard RJ45 connectors;
  • With auto-negotiation and auto MDI/MDIX function.

2.3 Users and loop interfaces

  • Impedance: 200Ω +680 Ω | | 0.1μF
  • Insertion loss: -3 ± 0.75dB
  • Frequency: 300 ~ 3400Hz (-0.6 ~ +3 dB)
  • Scale noise: ≤ 63.7dBmop
  • Crosstalk attenuation: ≥ 65dB
  • Loop resistance: ≤ 1800Ω

2.4 RS232 (asynchronous) interface

  • Interface Type: V.24 asynchronous
  • Speed rate: 0 ~ 19.2Kbps

2.5 Environmental Requirements

  • Operating temperature: 0 ℃ ~ 40 ℃;
  • Relative Humidity: 95% (no condensation).

2.6 Power supply

  • DC-48V: input voltage range  -36V ~-72V;
  • AC220V: Input voltage range 175V ~ 250V.

2.7 Power consumption

  • Overall power consumption <30W

2.8 The structure and dimensions 

  • Equipment uses 19-inch standard chassis
  • Dimensions: 300mm (depth) × 440mm (width) × 45mm (Height)

This equipment is box-type structure, composed by the chassis and circuit boards. Can be installed on 19-inch rack, also can be used as desktop devices placed in stable, dry, safe place to use.

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