The TMB3EGS4 is a four-channel switched Gigabit Ethernet processing board, which is one of the components of Huawei's optical transmission equipment .

1. Basic Functions and Features

• Type: Four-channel switched Gigabit Ethernet processing board (EGS4 series).

• Main Functions:

  • Supports 4 channels of GE (Gigabit Ethernet) services, with direct cabling from the panel.

  • Provides functions such as Layer 2 switching, link aggregation, multicast, VLAN management, and traffic control.

  • Is compatible with MPLS-TP and IEEE 802.1q/p VLAN standards, and supports 4094 VLAN tags.

2. Interface Types

• Optical Interfaces:

  • Supports various optical modules such as 1000BASE-SX (0.5km), 1000BASE-LX (10km), 1000BASE-VX (40km), and 1000BASE-ZX (80km).

• Electrical Interfaces (supported only in some versions):

  • 1000BASE-T (RJ-45, 100m), supporting auto-negotiation and 1000M full-duplex mode.

3. Hardware Specifications

• Dimensions: 25.4mm (width) × 235.2mm (depth) × 261.4mm (height).

• Weight:

  • N1/N3 versions: Approximately 1.1kg

  • N4 version: Approximately 0.7kg.

• Power Consumption:

  • N1/N3 versions: The maximum power consumption is 70W at room temperature (25°C)

  • N4 version: The maximum power consumption is 34W at room temperature (25°C).

4. Applicable Equipment and Slots

• Compatible Equipment:

  • Applicable to sub-racks such as OptiX OSN3500, OSN2500, and OSN1500.

• Available Slots:

  • Slot 1～4, 15～16 (bandwidth 1.25Gbit/s)

  • Slot 5～8, 11～14 (bandwidth 2.5Gbit/s).

5. Other Key Parameters

• Maximum upstream bandwidth: 2.5Gbit/s.

• Supports SFP pluggable optical modules, facilitating flexible configuration.

Product Details: