
IDM GP4000-16E1 PDH Optical Terminal
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 network management interface, supports DDM and ALS, offers an order wire telephone, dual power supplies, and comprehensive alarm and monitoring functions. With 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 network management interface, supports DDM and ALS, offers an order wire telephone, and features dual power supplies. With comprehensive alarm and monitoring functions, high integration, low power consumption, stable performance, and ease of use, it is well suited for a wide range of applications.
The IDM GP4000-16E1 PDH Optical Terminal can be widely deployed in private networks such as public security, electric power, railway, and mining, as well as public networks including mobile, Unicom, and telecom operators.
II. Product Images


III. Product Features
Ø 19-inch standard 1U chassis structure;
Ø Supports 2 2.5Gbps optical transmission interfaces with SFP optical module form factor;
Ø Supports up to 16 E1 interfaces, with 75Ω or 120Ω impedance options;
Ø Provides 4 groups of physically isolated 1000M Ethernet ports;
Ø Supports DDM and ALS; provides order wire telephone;
Ø Standard model offers a repeaterless transmission distance of 40 kilometers; custom distances beyond this are available upon request;
Ø Provides IP-based SNMP network management interface;
Ø DC -48V and AC 220V power options, 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 |
Output Power | +2dBm | Receiver Sensitivity | Better than-20dBm |
Transmission Distance | 20Km; long-distance optical modules can be optionally installed to achieve fiber transmission over greater distances | ||
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/1000M Auto-negotiation |
Standard Protocol | Supports IEEE802.3 | Operating Mode | Full/Half Duplex/Auto-negotiation |
4) Power Supply and 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

