IDM GP4000-16E1 PDH Optical Multiplexer
IDM GP4000
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.
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 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
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