IDM MAP4E1-30 Integrated Service Cross-Connect Multiplexer

IDM MAP4E1|PCM·📅UpdatedMay 12, 2026·✍️管理员

The IDM MAP4E1-30 Integrated Service Cross-Connect Multiplexer is a comprehensive service platform that integrates 64K narrowband service access, PCM multiplexing, and 64K timeslot cross-connection. The IDM MAP4E1-30 device is mainly used for service access and cross-connection at the access layer in data communication networks. It features complete synchronization and timing functions, providing non-blocking cross-connection at 64K level across 4 E1 channels, and can simultaneously provide 30 channels of 64K services, including telephone, magneto telephone, common battery telephone, and V.24 data services.

Overview

The IDM MAP4E1-30 Integrated Service Cross-Connect Multiplexer is an integrated service platform that combines 64K narrowband service access, PCM multiplexing, and 64K timeslot cross-connect.

The IDM MAP4E1-30 is mainly used for service access and cross-connect at the access layer of data communication networks. It features complete synchronization and timing functions, providing non-blocking 64K-level cross-connect across 4 E1 channels, while supporting up to 30 channels of 64K services, including telephone, magneto telephone, common battery telephone, and V.24 data services.

The IDM MAP4E1-30 is mainly used for service access and cross-connection at the access layer of data communication networks. With full synchronization timing, it provides 64K-level non-blocking cross-connection within 4 E1 channels and delivers 30 x 64K services including telephone, magneto telephone, common-battery telephone and V.24 data services.

IDM MAP4E1-30 Integrated Service Cross-Connect Multiplexer image

Product Features

Adopts a 19-inch 1U standard chassis for easy installation.

Full-timeslot non-blocking cross-connect across 4 E1 groups;

The main unit provides 30 channels of 64K (or Nx64K) user narrowband service access;

The main board provides 15 service card slots, with up to two service channels per card;

Voice interfaces can be FXO central office automatic telephone, FXS remote automatic telephone, or MAG magneto telephone; data services include V.24/RS232/RS485/RS422, X.50/X.58, co-directional 64K, V.35/V.36 with Nx64K bandwidth, and Ethernet bridge;

Supports serial port network management or Ethernet SNMP network management;

Supports AC 220V power supply or DC -48V power supply;

4 E1 groups can form point-to-point, chain network, star network, and other topologies.

Technical Specifications

1) E1 Interface

Line Rate	2.048Mbps	Line Code	HDB3
Standard Protocol	Supports ITU-T G.703	Impedance	75Ω/120Ω
Frame Structure	PCM30/32	Signaling	Channel Associated Signaling

2) Ethernet (FE)

Interface Type	RJ-45	Transmission Rate	N×VC12 (N≤50)
Standard Protocol	Supports IEEE802.3	Operating Mode	Full/Half Duplex/Auto-negotiation

3) Ethernet (GE)

Interface Type	RJ-45	Transmission Rate	N×VC12 (N≤63)
Standard Protocol	Supports IEEE802.3	Operating Mode	Full/Half Duplex/Auto-negotiation

4) FXO、FXS Interface

Audio Range	300Hz~3400Hz	Compression Rate	A-law per ITU G.711
Impedance	Triple complex impedance 200Ω+560Ω//0.1μF	Loop Current	20mA/channel

5) Co-directional 64K Interface

Line Code

G.703 Standard

Line Rate

64Kbps

Impedance

Balanced 120Ω

Fully compliant with ITU G.703 recommendation

6) EM2/4 Wire Interface

Audio Range	300Hz~3400Hz	Impedance	Balanced 600Ω
Compression Rate	A-law per ITU G.711	Return Loss	≥18dB

7) Magneto Interface

Audio Range	300Hz~3400Hz	Impedance	Balanced 600Ω
Compression Rate	A-law per ITU G.711	Return Loss	≥18dB

8) V.24 Interface

Transmission Rate

Asynchronous ≤9600bps; Synchronous 64Kbps

Electrical Characteristics

Compliant with CCITT V.28 protocol

9) V.35 Interface

Interface Type	RJ-45	Electrical Characteristics	Compliant with ITU-T V.35 recommendation
Transmission Rate	n×64Kbps (n=0～31)	Terminal Interface	Compliant with ISO2593