We are connecting legacy 100Mbps IP cameras to an SFP port on our main switch — will this module support 100M auto-negotiation?

Yes, when plugged into host systems supporting an SGMII interface, it seamlessly auto-negotiates across 10Mbps, 100Mbps, and 1000Mbps speeds.

We need to hook up a remote office terminal located 85maway — can this copper module handle that distance over regular Cat5?

Yes, it complies with 1000BASE-T standards to deliver stable gigabit connections over standard Cat5 copper cabling up to 100m (328ft).

We need to replace a failed transceiver in an active rack without powering down our core switch. Is this module safe for live hot-swapping?

Yes, it features a standard hot-pluggable SFP footprint, allowing you to insert or remove it safely without interrupting active switch operations.

We have severe electrical noise on our shop floor from heavy motor drives; will this transceiver drop packets due to interference?

No, its fully metallic enclosure provides excellent shielding against electromagnetic interference (EMI) to ensure clean, uninterrupted data transmission.

We are deploying telecom gear in northern Canada where winter temperatures drop below -30°C. Can this handle freezing outdoor cabinets?

Absolutely, this industrial-grade module is rated for extreme operating case temperatures ranging from -40°C all the way up to +85°C.

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Cisco SFP-GEB-T-IL Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ45 Transceiver Module (Industrial)

Name: Cisco SFP-GEB-T-IL Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ45 Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 220042
Price: 17.63 USD
Availability: InStock
Rating: 5 (11 reviews)

# 220042

Product: Cisco SFP-GEB-T-IL Compatible LINK-PP 10/100/1000BASE-T SFP SGMII Copper 100m RJ45 Transceiver Module (Industrial)
SKU: 220042
P/N: LP-RJ451GE-RCI
Price: $ 20.5
Stock: 208 in Stock
Sold: 3.6K
Product URL: https://www.l-p.com/products/494965.htm

For Order Over $1000 Get $15.00 Off , Code: Linkpp15

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11 Reviews

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Manufacture: LINK-PP

P/N: LP-RJ451GE-RCI

Compatible:: Cisco; LINK-PP; Adtran; Alcatel-Lucent; Arista; Avaya; Brocade; Calix; Ciena; Dell; Extreme; FS; Fortinet; Generic; H3C; HPE Aruba; IBM; Intel; Juniper; NVIDIA/Mellanox; Netgear

Compatible P/N:: GLC-T | 100m; GLC-TA | 100m; GLC-TE-I | 100m; SFP-GE-T | 100m; SFP-GEB-T-IL | 100m

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Cisco SFP-GEB-T-IL Compatible LINK-PP 10/100/1000BASE-T SFP Specifications

SFP-GEB-T-IL is an industrial-grade 10/100/1000BASE-T SFP copper transceiver module that features low power consumption, a fully metallic enclosure to reduce EMI, and a 100-meter transmission range over Cat 5 cable in extreme temperatures from -40°C to +85°C.

Cisco Part Number	SFP-GEB-T-IL	Vendor Name	LINK-PP
Part Status	Active	Form Factor	SFP SGMII
Max. Data Rate	1.25G	Max. Cable Distance	100m
Media	Cat 5	Connector	RJ-45
RX_LOS	Yes	DOM Support	No
Operating Temperature Range	-40 to 85°C	Protocols	SFP MSA Compliant, IEEE Std 802.3

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Q: We are connecting legacy 100Mbps IP cameras to an SFP port on our main switch — will this module support 100M auto-negotiation? By V***e on 2026-03-14

A: Yes, when plugged into host systems supporting an SGMII interface, it seamlessly auto-negotiates across 10Mbps, 100Mbps, and 1000Mbps speeds. By admin on 2026-03-15
Q: We need to hook up a remote office terminal located 85maway — can this copper module handle that distance over regular Cat5? By B***l on 2026-01-11

A: Yes, it complies with 1000BASE-T standards to deliver stable gigabit connections over standard Cat5 copper cabling up to 100m (328ft). By admin on 2026-01-12
Q: We need to replace a failed transceiver in an active rack without powering down our core switch. Is this module safe for live hot-swapping? By L***t on 2025-11-07

A: Yes, it features a standard hot-pluggable SFP footprint, allowing you to insert or remove it safely without interrupting active switch operations. By admin on 2025-11-08
Q: We have severe electrical noise on our shop floor from heavy motor drives; will this transceiver drop packets due to interference? By D***n on 2025-08-29

A: No, its fully metallic enclosure provides excellent shielding against electromagnetic interference (EMI) to ensure clean, uninterrupted data transmission. By admin on 2025-08-30
Q: We are deploying telecom gear in northern Canada where winter temperatures drop below -30°C. Can this handle freezing outdoor cabinets? By L***n on 2025-04-21

A: Absolutely, this industrial-grade module is rated for extreme operating case temperatures ranging from -40°C all the way up to +85°C. By admin on 2025-04-22

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B***e

Sweden

Verified Purchase

5 .0

2026-05-11

Many copper SFP modules run scorching hot, but the metallic casing on the LP-RJ451GE-RCI dissipates heat effectively. Warm to touch under heavy load, but far cooler than other generic modules I've used.

88 Helpful vote Comments

G***r

South Africa

Verified Purchase

5 .0

2026-04-25

Bridging legacy copper security hardware to modern optical edge routers can be tricky, but this copper transceiver module solved our interface conversion needs effortlessly. Operating on a host switch with SGMII support, it auto-negotiated smoothly across 10Mbps, 100Mbps, and 1000Mbps modes without requiring manual port speed overrides. The hot-pluggable SFP footprint allowed us to perform live swaps during maintenance windows with zero downtime on adjacent interfaces. It provides a rock-solid, plug-and-play copper port expansion solution for any network engineer managing mixed-speed hardware environments.

115 Helpful vote Comments

M***p

Japan

Verified Purchase

5 .0

2026-04-02

Great for office LAN upgrades. 10/100/1000 auto-negotiation is smooth.

53 Helpful vote Comments

C***r

United Kingdom

Verified Purchase

5 .0

2026-02-08

We subjected a batch of LINK-PP LP-RJ451GE-RCI copper transceivers to a 72-hour continuous stress test across our multi-vendor test bench to evaluate line-rate throughput and thermal behavior. The modules delivered full 1.25Gb/s bi-directional data links with zero frame drops, while the SGMII interface handled dynamic 10/100/1000Mbps auto-negotiation flawlessly when connected to legacy endpoints. The fully metallic enclosure dissipated heat efficiently, keeping case temperatures well within safe limits even in high-density rack configurations. Additionally, monitoring physical layer IC parameters via the 2-wire serial bus gave us complete real-time visibility into link health.

108 Helpful vote Comments

D***s

United States

Verified Purchase

5 .0

2025-12-03

A lot of cheap copper SFPs struggle with legacy 10M/100M devices, but this LINK-PP SGMII copper SFP module handles multi-rate auto-negotiation without a hitch. Tested on old IP security cameras and modern rack servers alike.

119 Helpful vote Comments

G***y

Netherlands

Verified Purchase

5 .0

2025-11-14

Using these copper modules for our remote site NAS access. 100m cable run, no issues. DDM not supported, but we didn't need it.

71 Helpful vote Comments

S***n

France

Verified Purchase

5 .0

2025-11-06

We use these industrial 1000BASE-T copper transceivers in our roadside enclosure cabinets for LTE cell site backhaul. The wide temperature range (-40°C to +85°C) gives us peace of mind during freezing winter nights. Line rate transmission remains rock solid.

94 Helpful vote Comments

J***r

Iran, Islamic Republic of

Verified Purchase

5 .0

2025-10-27

Upgraded our SMB network topology to bridge a fiber switch to a copper router. This SGMII RJ45 SFP module handled the conversion effortlessly. Great cost savings compared to OEM original parts.

97 Helpful vote Comments

E***n

Republic of Korea

Verified Purchase

5 .0

2025-09-22

Hot-plugging works cleanly in our rack server SFP ports. The operating system recognized the copper interface immediately. LINK-PP LP-RJ451GE-RCI copper module is top tier!

101 Helpful vote Comments

H***t

Germany

Verified Purchase

5 .0

2025-08-11

Ideal for industrial control networks. -40 to 85°C range is accurate, the module stayed cool in our 70°C enclosure.

62 Helpful vote Comments

T***l

Canada

Verified Purchase

5 .0