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Rectangular silver expansion module with eight LC fiber ports on the front face

HPE

HPE JG425A MSR 8-Port 1000Base-X HMIM network switch

SKU CH-Y4MP-FZMVG

Eight-port Gigabit Ethernet expansion module with LC fibre connectivity for HP MSR series routers

  • Switch TypeExpansion Module
  • 8 ports deliver Gigabit fibre uplinks for MSR routers
  • LC connectors accept standard SFP transceivers for flexible links
  • Compact module fits 0.8" high router slots
  • REACH certified materials meet environmental requirements
  • Lightweight 1.76 lb design eases installation and handling

What this module is

The HPE JG425A is an expansion module that adds eight Gigabit Ethernet ports to compatible HP MSR series routers. It is designed for network administrators who need to increase fiber connectivity density in a single slot.

Practical limits of the 1000Base-X interface

Each port operates at 1000 Mbps over optical fiber using LC connectors. The interface supports only Gigabit speeds, so it cannot carry 10 Gigabit or higher traffic. Maximum link distance depends on the SFP transceiver installed, which is not included with the module.

The specification that decides fit

This module fits only HP MSR series routers that accept a High-density Multi-service Interface Module (HMIM). It will not work in other router families, chassis switches, or servers that lack the specific HMIM slot.

Highlights

  • 8 ports deliver Gigabit fibre uplinks for MSR routers
  • LC connectors accept standard SFP transceivers for flexible links
  • Compact module fits 0.8" high router slots
  • REACH certified materials meet environmental requirements
  • Lightweight 1.76 lb design eases installation and handling

Specifications

BrandHPE
Switch TypeExpansion Module

Questions about this item

How many ports does the JG425A module provide and what connector type do they use?

The module provides eight ports using LC connectors for 1000Base-X optical fiber connections.

What does the 1000Base-X rating mean for actual throughput when the module is installed in a compatible router?

Each port delivers Gigabit Ethernet speeds over optical fiber, giving up to 1000 Mbps per port in a supported HP MSR series router.

Which interface standard does the HMIM slot use and what does it limit in practice?

The HMIM expansion slot accepts this module and limits connectivity to eight 1000Base-X LC ports for data networking.

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