I need to connect two campus buildings 8km apart. Can I use this transceiver with OM3 multimode fiber, or is it strictly for single-mode runs?

This specific 1G BiDi SFP is designed exclusively for Single-Mode Fiber (SMF) to achieve the 10km range reliably without signal degradation. Multimode fiber (like OM3) will cause severe signal dispersion at these WDM wavelengths, so SMF is absolutely required for your campus link.

We run a mixed environment with Cisco Catalyst and Fortinet firewalls. Will this LS-BL49311G-10C module suffer from vendor lock-in or throw unsupported transceiver errors?

Not at all! This 1G BiDi SFP is 100% MSA compliant and coded for broad OEM compatibility. It operates seamlessly across Cisco, Fortinet, Juniper, Broadcom, and other major switches without triggering unsupported optic warnings.

This module specifies a 0 to 70°C operating temperature. Do you have an industrial-grade equivalent for our unventilated outdoor cellular base station cabinets?

Yes, if your outdoor deployment exceeds the 70°C commercial limit, we highly recommend the LS-BL49311G-10I model. It is the industrial wide-temperature counterpart built specifically to withstand extreme freezing or high-heat environments for base station backhaul.

Our state government contract requires all network hardware to strictly adhere to industry standards. Is this optical transceiver certified?

Yes, it strictly complies with the Multi-Source Agreement (MSA), Fast Ethernet, and Gigabit Fibre Channel standards. You can confidently deploy it in telecom, enterprise, and government networks requiring high-compliance hardware.

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Cisco GLC-BX-D Compatible LINK-PP 1G SFP BiDi 1490nm-TX/1310nm-RX 10km Simplex LC DOM SMF Optical Transceiver Module

Name: Cisco GLC-BX-D Compatible LINK-PP 1G SFP BiDi 1490nm-TX/1310nm-RX 10km Simplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 219231
Price: 12.47 USD
Availability: InStock
Rating: 5 (18 reviews)

# 219231

Product: Cisco GLC-BX-D Compatible LINK-PP 1G SFP BiDi 1490nm-TX/1310nm-RX 10km Simplex LC DOM SMF Optical Transceiver Module
SKU: 219231
P/N: LS-BL49311G-10C
Price: $ 14.5
Stock: 2366 in Stock
Sold: 1.5K
Product URL: https://www.l-p.com/products/476674.htm

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

For Order Over $3000 Get $50.00 Off , Code: Linkpp50

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Manufacture: LINK-PP

P/N: LS-BL49311G-10C

Compatible:: Cisco; LINK-PP; Alcatel-Lucent; Allied Telesis; Avaya; Broadcom; Brocade; DELL; Extreme; FS; Fortinet; Foundry; Generic; H3C; HPE H3C; HPE ProCurve; HW; Juniper; Netgear; ProCurve

Compatible P/N:: GLC-BX-10D | 10km; GLC-BX-10U | 10km; GLC-BX-D | 10km; GLC-BX-U | 10km; GLC-BX-20D | 20km; GLC-BX-20U | 20km; MGBBX1 | 20km; MGBBX1D | 20km; GLC-BX40-D-I | 40km; GLC-BX40-DA | 40km; GLC-BX40-DA-I | 40km; GLC-BX40-U | 40km; GLC-BX40-UA | 40km; GLC-BX80-DA-I | 80km; GLC-BX80-UA | 80km; GLC-BX120-D | 120km; GLC-BX120-U | 120km; SFP-1G45-BX160 | 160km; SFP-1G45-BX160-I | 160km; SFP-1G54-BX160 | 160km; SFP-1G54-BX160-I | 160km

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Cisco GLC-BX-D Compatible LINK-PP 1G BiDi SFP Specifications

The Cisco GLC-BX-D Compatible LINK-PP module is a high-performance 1G BiDi SFP transceiver engineered for exceptional data communication. This single-mode optical module operates over a standard 10km distance with 1490nm-TX and 1310nm-RX wavelengths. It features a reliable simplex LC interface, comprehensive DDM support, and low power consumption, making it ideal for Gigabit Ethernet networks.

Cisco Part Number	GLC-BX-D	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1490nm-TX/1310nm-RX	Max Cable Distance	10km
Connector	Simplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	-9 to 0dBm	RX Power	-23 to -1dBm
Receiver Sensitivity	<-23dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

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Q: I need to connect two campus buildings 8km apart. Can I use this transceiver with OM3 multimode fiber, or is it strictly for single-mode runs? By J***z on 2026-05-18

A: This specific 1G BiDi SFP is designed exclusively for Single-Mode Fiber (SMF) to achieve the 10km range reliably without signal degradation. Multimode fiber (like OM3) will cause severe signal dispersion at these WDM wavelengths, so SMF is absolutely required for your campus link. By admin on 2026-05-18
Q: We run a mixed environment with Cisco Catalyst and Fortinet firewalls. Will this LS-BL49311G-10C module suffer from vendor lock-in or throw unsupported transceiver errors? By S***s on 2025-09-10

A: Not at all! This 1G BiDi SFP is 100% MSA compliant and coded for broad OEM compatibility. It operates seamlessly across Cisco, Fortinet, Juniper, Broadcom, and other major switches without triggering unsupported optic warnings. By admin on 2025-09-10
Q: This module specifies a 0 to 70°C operating temperature. Do you have an industrial-grade equivalent for our unventilated outdoor cellular base station cabinets? By K***l on 2025-05-01

A: Yes, if your outdoor deployment exceeds the 70°C commercial limit, we highly recommend the LS-BL49311G-10I model. It is the industrial wide-temperature counterpart built specifically to withstand extreme freezing or high-heat environments for base station backhaul. By admin on 2025-05-01
Q: Our state government contract requires all network hardware to strictly adhere to industry standards. Is this optical transceiver certified? By E***e on 2025-04-03

A: Yes, it strictly complies with the Multi-Source Agreement (MSA), Fast Ethernet, and Gigabit Fibre Channel standards. You can confidently deploy it in telecom, enterprise, and government networks requiring high-compliance hardware. By admin on 2025-04-03

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J***r

Sweden

Verified Purchase

5 .0

2026-06-08

Great SMF optical module for the price.

43 Helpful vote Comments

L***s

Ethiopia

Verified Purchase

5 .0

2026-04-21

Bought 50 units of this simplex LC transceiver. Unbeatable price and rock-solid gigabit performance.

211 Helpful vote Comments

C***l

Peru

Verified Purchase

5 .0

2026-04-07

Rock solid 10km link, no packet drops!

213 Helpful vote Comments

J***s

Denmark

Verified Purchase

5 .0

2026-04-01

Great 10km single-mode SFP. Plug and play with our Netgear gear, no errors at all.

189 Helpful vote Comments

S***s

Greece

Verified Purchase

5 .0

2026-03-29

Plugged in and linked instantly. Awesome!

159 Helpful vote Comments

C***g

India

Verified Purchase

5 .0

2026-03-12

Perfect Cisco compatible 1G optic.

202 Helpful vote Comments

M***n

Ukraine

Verified Purchase

5 .0

2026-02-14

Budget-friendly 1490nm-TX transceiver for ISP nodes.

85 Helpful vote Comments

P***n

Czech Republic

Verified Purchase

5 .0

2025-12-26

Tested the 10km SMF module in our outdoor cabinet media converters. Even near the 70°C upper limit, there's zero packet loss. Excellent MSA compliant SFP for rural WISP backhaul links.

148 Helpful vote Comments

C***n

Mexico

Verified Purchase

5 .0

2025-12-03

Deployed a batch of these LS-BL49311G-10C transceivers for a campus fiber backbone upgrade. DOM readings are dead accurate, and compatibility with our mixed Cisco and Juniper core switches is seamless. Highly recommended!

184 Helpful vote Comments

C***t

United Kingdom

Verified Purchase

5 .0

2025-11-16

Solid 1G BiDi optical transceiver for telecom server racks. DDM shows perfectly balanced receive levels. Replaced overpriced OEM optics without any vendor lock-in errors on our HPE ProCurve gear. (•‿•)

213 Helpful vote Comments

S***r

Bangladesh

Verified Purchase

5 .0

2024-04-05

LINK-PP is awesome! Great product, Fast service, and unbelievable price!! Thank you!!

69 Helpful vote Comments

A***d

France

Verified Purchase

5 .0