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Cisco Linksys MGBLH1 Compatible 1G SFP Transceiver Module

Cisco Linksys MGBLH1 Compatible 1G SFP Transceiver Module

The MGBLH1 compatible module serves equipment requiring a 1G SFP interface with 1310nm optics and a 40km rating. Connection is through Duplex LC. Product data, application guidance and factory verification are presented together to support structured fiber installations preserve a documented and serviceable optical channel.

OEM Part Number: MGBLH1HT Part Number: SFP1G-EX-31

Product Highlights

  • Compatible alternative to Cisco Linksys MGBLH1
  • 1G connectivity at 1.25Gbps
  • Optical wavelength: 1310nm
  • Specified reach: 40km
  • Duplex LC / SMF interface
  • Operating temperature: 0 to 70°C (32 to 158°F)
  • Factory compatibility verification and optical performance testing before shipment

Specifications

Cisco CompatibleMGBLH1
ManufacturerHT
HT Part NumberSFP1G-EX-31
Form FactorSFP
Max. Data Rate1.25Gbps
Wavelength1310nm
Max. Cable Distance40km
ConnectorDuplex LC
Optical ComponentsDFB 1310nm
MediaSMF
DOM SupportYes
TX Power-5~0dBm
Receiver Sensitivity< -24dBm
Commercial Temperature Range0 to 70°C (32 to 158°F)
ProtocolsSFF-8472 MSA Compliant, IEEE 802.3ah-2004

Applications and Optical Link Design

Use this module for equipment interconnection over the specified single-mode fiber plant, including enterprise backbone, campus, metro or data-center interconnect links according to its rated distance. Confirm that both ends use the same optical standard and wavelength plan, and allow for connector, splice and patch-panel loss within the stated power budget.

Before deployment, check the host port type, supported data rate and firmware requirements. The 1G interface configuration must match the remote equipment; sharing a SFP housing alone does not make two transceiver types interoperable.

Before commissioning, measure the complete single-mode channel against the stated budget for 40km. Inspect every Duplex LC connection and record diagnostic power where supported. Both ends must agree on rate, wavelength and optical standard.

Cisco Linksys Compatibility and Factory Testing

The module is checked for host recognition as MGBLH1, link establishment and diagnostic reporting. Physical cage fit alone is not treated as evidence of compatibility. Equipment model, hardware revision and software release can be reviewed before dispatch where platform behavior is uncertain.

Optical Acceptance, Diagnostics and Handling

For this model, the specified transmit-power range is -5~0dBm; receiver sensitivity is < -24dBm. During commissioning, record the host diagnostic readings after the link has stabilized and compare them with those limits. DOM values are useful operational indicators, but they do not replace calibrated optical measurements when a link is marginal. Investigate unexpected loss through connector inspection, cleaning and a channel measurement before replacing the module. Before every insertion, keep dust caps in place until the patch lead is ready, avoid touching the optical end face and use an appropriate inspection and cleaning procedure. Do not look into an active optical interface.

Structured Fiber Pathways and Serviceability

Treat the transceiver as part of the complete channel. Follow the intended patch-panel route, maintain bend control and leave service access around the port. Confirm connector polish and fiber type at every mated pair; a documented service allowance is preferable to excess slack concealed inside a rack. For this model, the principal parameters are data rate 1.25Gbps, wavelength 1310nm, rated reach 40km.

Ordering Information

Quote HT part number SFP1G-EX-31 together with OEM reference MGBLH1 and quantity. Add the host model and software release when pre-order verification is required. Neutral labels, customer packaging and project-specific compatibility review are available on request.

Shipping and Lead Time

Standard configurations normally ship within one to three working days, with production lead times confirmed for larger quantities. International courier, air freight and sea freight are available; customer courier accounts and nominated forwarders are accepted.

Quality Assurance and Packaging

Each MGBLH1 compatible module is inspected, powered up and functionally checked before protective packing. Dust caps and individual trays shield the interface during transport. Customer references, rack groups and project packing lists can be added for volume orders.

Frequently Asked Questions

Is this an original Cisco Linksys transceiver?

No. It is an HT-manufactured compatible alternative for equipment that specifies MGBLH1, not an original Cisco Linksys-branded module.

Which fiber and connector are required?

Use Duplex LC with SMF. The specified maximum reach is 40km, subject to fiber quality and total link loss.

Can it be mixed with another wavelength or reach version?

Only when the two ends share the same optical standard, wavelength plan and supported data rate. Check the exact part numbers and link budget rather than relying only on the module form factor.

New Zealand Fiber Optics

New Zealand Fiber Optics

New Zealand Service center: New Zealand 0632, Auckland.

Factory in Asia: Shangxue Industrial Area, Shenzhen

Product Datasheets

For PDF documents of products data sheet or any general inquiry, email info@huihongfiber.com and we will send you the details.

Customer Support

For customer support, please email sales@huihongfiber.com; our Auckland service team will respond promptly.