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IDM GP4000-16E1 PDH Optical Terminal

IDM GP4000-16E1 PDH Optical Multiplexer

IDM GP4000

PDH·📅UpdatedMay 12, 2026·✍️管理员

The IDM GP4000-16E1 PDH Optical Multiplexer provides 2 5Gbps SFP optical interfaces per unit, supporting up to 16 E1 interfaces, and can provide 4 groups of Gigabit (1000M) physically isolated Ethernet ports. It offers an IP-based SNMP network management interface, supports DDM and ALS, and includes an order wire phone. With dual power supplies and comprehensive alarm monitoring functions, it features high integration, low power consumption, stable performance, and ease of use. It can be widely applied in private networks such as public security, electric power, railway, and mining, as well as public networks including mobile, Unicom, and telecom operators.

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I. Overview

The IDM GP4000-16E1 PDH Optical Terminal provides 2 5Gbps SFP optical interfaces per unit, supports up to 16 E1 interfaces, and offers 4 groups of Gigabit (1000M) physically isolated Ethernet ports. It provides an IP-based SNMP management interface, supports DDM and ALS, and includes an order wire telephone. With dual power supplies and comprehensive alarm monitoring functions, it features high integration, low power consumption, stable performance, and ease of use.

The IDM GP4000-16E1 PDH Optical Terminal can be widely applied in private networks such as public security, electric power, railway, and mining, as well as public networks operated by China Mobile, China Unicom, and China Telecom.

II. Product Images

III. Product FeaturesIDM GP4000-16E1 Rear Panel.jpg

III. Product Features
19-inch standard 1U chassis structure;
Supports 2 2.5Gbps optical transmission interfaces with SFP optical module form factor;
Supports up to 16 E1 interfaces, with 75Ω or 120Ω impedance options;
Provides 4 groups of physically isolated 1000M Ethernet ports;
Supports DDM and ALS; provides order wire telephone;
Standard model supports non-repeatered transmission distance of 40km; custom distances beyond this are available upon request;
Provides IP-based SNMP management interface;
DC -48V and AC 220V, with optional DC+DC, AC+AC, or AC+DC dual redundant power supplies.

IV. Technical Specifications

1) Optical Interface

Interface Type
SFP
Fiber Mode
Single-mode (Multi-mode optional)
TX/RX Rate
2.5G/5.25G
TX/RX Wavelength
1310nm/1550nm
Optical Output Power
+2dBm
Receiver Sensitivity
Better than-20dBm
Transmission Distance
20Km; long-distance optical modules are optional for extended fiber transmission

2) E1 Interface

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

3) Ethernet

Interface Type
RJ45
Transmission Rate
10M/100M/1000MAuto-Negotiation
Standard Protocol
SupportsIEEE802.3
Operating Mode
Full/Half Duplex/Auto-Negotiation

4) Power Supply and Power Consumption

Power Supply
AC220V/DC-48V
Power Consumption
≤90W

5) Environmental Conditions

Operating Temperature
-10oC ~+50oC
Relative Humidity
0~95% (non-condensing)

6) Product Dimensions

Length×Depth×Height
482×309×132(mm)

5. Application Cases

![Application Cases](

![IDM GP4000-16E1 PDH Optical Multiplexer](

![IDM GP4000-16E1 PDH Optical Multiplexer](

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