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Small rectangular SFP transceiver module with silver metal casing and RJ45 copper port

STARTECH

STARTECH J8177CST SFP transceiver 1000BASE-T RJ45 100m

SKU CH-CVQM-27QV4 MPN J8177CST

Gigabit Ethernet copper SFP transceiver with RJ45 port reaches 100 metres over twisted pair

  • Port count1 - RJ-45 Female
  • Product typeTransceiver
  • Supported standardsIEEE 802.3ab 1000BASE-T
  • Supported protocolsTCP/IP
  • Maximum range100m (328 ft)
  • HighlightsEnsure reliable and cost-efficient Gigabit Ethernet connecti
  • Gigabit copper links up to 100 m over Cat5e
  • HP J8177C drop-in replacement with full MSA compliance
  • Low power draw under 1.3 W keeps chassis cool
  • Hot-swappable SFP form factor enables live module changes
  • Lightweight 0.11 kg design eases dense switch loading

HP J8177C Compatible Copper SFP

This transceiver delivers 1000BASE-T Gigabit Ethernet over copper cabling up to 100m. It fits a standard SFP slot and connects via a single RJ45 port. The module draws less than 1.3W and weighs 0.11 units. It is built to meet MSA industry standards for broad switch compatibility.

Ideal for extending copper links on HP gear

Network administrators who need a hot-swappable RJ45 Mini-GBIC for HP switches will find this unit matches the J8177C part exactly. It suits runs of 328 ft or less at 1000 Mbps. Buyers who need fibre connectivity, longer reach, or digital diagnostic monitoring should look at alternative module types.

Confirm your switch accepts copper SFPs

Verify the host device lists IEEE 802.3ab 1000BASE-T support for the intended SFP port. Ensure the slot provides enough power for the transceiver and that auto-negotiation is enabled for the RJ45 link. Check that your cabling is Cat5e or better to achieve the rated 100m distance.

How it compares

Measured against everything we stock in SFP & SFP+ Transceiver Modules, at today’s prices. Recalculated every night.

Price $47.99
Cheaper than about 74% of the 1,471 comparable items (median $138.99).

Specifications

Product
Brand nameStarTech.com
Model nameJ8177CST
Product typeTransceiver
Connectivity
Supported standardsIEEE 802.3ab 1000BASE-T
Supported protocolsTCP/IP
Maximum range100m (328 ft)
Ports & slots
Port count1 - RJ-45 Female
Size & build
Shipping weight0.07 kg
Package size165 × 140 × 33 mm
In the box
In the box1 - SFP transceiver

Questions about this item

What type of switch port is required to install this SFP transceiver?

The module plugs into any SFP or Mini-GBIC slot that supports the IEEE 802.3ab 1000BASE-T standard.

Can this transceiver link to legacy 10/100 network equipment over its copper port?

The RJ-45 interface follows the 1000BASE-T specification, so it will only negotiate Gigabit speeds and will not fall back to 10 or 100 Mb/s.

How can I verify the link is operating at the rated distance after installation?

A successful Gigabit Ethernet connection over Category 5e or better cable up to 100 m (328 ft) confirms the module is working within its specified range.

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