Just to double-check before purchasing, does this transceiver require a simplex or duplex patch cable? And what connector type?

You will need a Simplex LC patch cable for this transceiver. It features a standard single LC interface engineered specifically for Single-Mode Fiber (SMF) connectivity.

Are these optical transceivers compliant with standard telecom industry protocols?

Yes, they strictly comply with IEEE 802.3z Gigabit Ethernet and 1G Fibre Channel standards. Furthermore, they are MSA compliant and adhere to Class 1 laser safety requirements, ensuring safe and standardized network integration.

We're planning a massive data center upgrade and need about 500 units. Are there any bulk pricing discounts?

Definitely. We offer scaled pricing for volume deployments. For orders of 500 units, the price per module drops significantly compared to the standard retail rate. Please contact our enterprise sales team directly for a customized quote.

Hey, will this LS-BL49311G-40C sync up with a mix of Cisco Catalyst and Juniper switches in our network?

Yes, absolutely! This 1G BiDi SFP is fully MSA compliant and heavily tested for multi-brand interoperability, including Cisco, Juniper, Dell, and HPE. It’s plug-and-play for your mixed-switch environment with zero vendor lock-in issues.

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Fortinet SFP-1G43-BX40 Compatible LINK-PP 1G SFP BiDi 1490nm-TX/1310nm-RX 40km Simplex LC DDM SMF Optical Transceiver Module

Name: Fortinet SFP-1G43-BX40 Compatible LINK-PP 1G SFP BiDi 1490nm-TX/1310nm-RX 40km Simplex LC DDM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 215413
Price: 14.448 USD
Availability: InStock
Rating: 5 (22 reviews)

# 215413

Product: Fortinet SFP-1G43-BX40 Compatible LINK-PP 1G SFP BiDi 1490nm-TX/1310nm-RX 40km Simplex LC DDM SMF Optical Transceiver Module
SKU: 215413
P/N: LS-BL49311G-40C
Price: $ 16.8
Stock: 1145 in Stock
Sold: 1.1K
Product URL: https://www.l-p.com/products/493862.htm

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

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

For Order Over $5000 Get $100.00 Off , Code: Linkpp100

New Users: $10 Coupon for Orders , Code: linkpp2610

22 Reviews

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$ 15.96

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$ 15.456

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Manufacture: LINK-PP

P/N: LS-BL49311G-40C

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

Compatible P/N:: SFP-1G34-BX10 | 10km; SFP-1G35-BX10 | 10km; SFP-1G43-BX10 | 10km; SFP-1G53-BX10 | 10km; SFP-1G34-BX20 | 20km; SFP-1G35-BX20 | 20km; SFP-1G43-BX20 | 20km; SFP-1G53-BX20 | 20km; SFP-1G34-BX40 | 40km; SFP-1G35-BX40 | 40km; SFP-1G43-BX40 | 40km; SFP-1G45-BX80 | 80km; SFP-1G54-BX80 | 80km

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Fortinet SFP-1G43-BX40 Compatible LINK-PP 1G BiDi SFP Specifications

The Fortinet SFP-1G43-BX40 Compatible LINK-PP module is a high-performance 1G BiDi SFP optical module designed for Gigabit Ethernet and Fibre Channel applications. It features a 1.25Gbps data rate, 1490nm-TX/1310nm-RX wavelengths, and operates over single-mode fiber up to 40km. Equipped with a simplex LC interface and DDM capabilities, this commercial-grade fiber optic transceiver ensures robust and reliable network connectivity.

Fortinet Part Number	SFP-1G43-BX40	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1490nm-TX/1310nm-RX	Max Cable Distance	40km
Connector	Simplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	-5 to 0dBm	RX Power	-23 to -1dBm
Receiver Sensitivity	<-23dBm	DDM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

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Q: Just to double-check before purchasing, does this transceiver require a simplex or duplex patch cable? And what connector type? By M***t on 2025-11-09

A: You will need a Simplex LC patch cable for this transceiver. It features a standard single LC interface engineered specifically for Single-Mode Fiber (SMF) connectivity. By admin on 2025-11-09
Q: Are these optical transceivers compliant with standard telecom industry protocols? By J***a on 2025-10-25

A: Yes, they strictly comply with IEEE 802.3z Gigabit Ethernet and 1G Fibre Channel standards. Furthermore, they are MSA compliant and adhere to Class 1 laser safety requirements, ensuring safe and standardized network integration. By admin on 2025-10-25
Q: We're planning a massive data center upgrade and need about 500 units. Are there any bulk pricing discounts? By M***r on 2025-08-20

A: Definitely. We offer scaled pricing for volume deployments. For orders of 500 units, the price per module drops significantly compared to the standard retail rate. Please contact our enterprise sales team directly for a customized quote. By admin on 2025-08-20
Q: Hey, will this LS-BL49311G-40C sync up with a mix of Cisco Catalyst and Juniper switches in our network? By J***n on 2025-04-01

A: Yes, absolutely! This 1G BiDi SFP is fully MSA compliant and heavily tested for multi-brand interoperability, including Cisco, Juniper, Dell, and HPE. It’s plug-and-play for your mixed-switch environment with zero vendor lock-in issues. By admin on 2025-04-01

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B***z

Hong Kong

Verified Purchase

5 .0

2026-06-17

Simplex LC connected perfectly, no hassle.

47 Helpful vote Comments

D***r

Russian Federation

Verified Purchase

5 .0

2026-06-14

Best long-distance SFP 40km for the money.

126 Helpful vote Comments

N***e

Philippines

Verified Purchase

5 .0

2026-06-09

Reliably handles 0-70°C data center temps.

114 Helpful vote Comments

P***n

Czech Republic

Verified Purchase

5 .0

2026-06-05

Easy plug-and-play for our H3C gear. ⚙️

191 Helpful vote Comments

B***g

United Arab Emirates

Verified Purchase

5 .0

2026-05-30

Used these 1G BiDi SFPs to bridge our data center network cabinets. MSA compliance is solid; no weird errors on Dell or HPE gear. The 1310nm-RX sensitivity is exceptionally reliable!

203 Helpful vote Comments

B***n

Israel

Verified Purchase

5 .0

2026-05-29

Works flawlessly with my Brocade switches! (⌐■_■)

153 Helpful vote Comments

J***r

Mexico

Verified Purchase

5 .0

2026-05-27

Stable 1.25Gbps link, DDM is super helpful.

219 Helpful vote Comments

A***g

Dominican Republic

Verified Purchase

5 .0

2026-05-05

Tested this simplex LC SMF module for a base station backhaul link spanning 35km. Tx/Rx power levels held perfectly steady within the 0 to 70°C temp range. Great ROI overall!

220 Helpful vote Comments

T***n

Singapore

Verified Purchase

5 .0

2026-04-25

Fantastic 1G BiDi SFP, great OEM compatibility!

136 Helpful vote Comments

B***k

Brazil

Verified Purchase

5 .0

2026-04-07

Installed these for a home 10G NAS downgrade to 1G remote backup. Flawless!

222 Helpful vote Comments

S***l

Austria

Verified Purchase

5 .0

2026-01-12

Flawless Gigabit Fibre Channel performance. ^_^

121 Helpful vote Comments

C***a

Sweden

Verified Purchase

5 .0

2026-01-01

Perfect LS-BL49311G-40C modules for SMF runs.

123 Helpful vote Comments

K***z

Chile

Verified Purchase

4 .0

2025-12-04

Shipping took an extra day, otherwise these BiDi modules perform flawlessly.

124 Helpful vote Comments

E***r

Ecuador

Verified Purchase

5 .0

2025-11-26

Exactly what we needed for our enterprise 1G fiber backbone. DDM reads accurately.

95 Helpful vote Comments

C***n

Costa Rica

Verified Purchase

5 .0

2025-11-07

We needed reliable 40km fiber runs for an outdoor cabinet project. While this is commercial temp, it survived our stress tests. Outstanding Gigabit Fibre Channel performance for mass deployment.

45 Helpful vote Comments

O***i

Ukraine

Verified Purchase

5 .0

2023-11-19

I have used the Chat process with other companies. I can't say enough good things about LINK-PP and their interactions with customers! Simply one of the best I have encountered!! A company with great service!

34 Helpful vote Comments

S***o

Taiwan, Province of China

Verified Purchase

5 .0

2023-08-13

They do a great job. Customer service is very responsive. All of the 10/25/40G Transceiver Modules and Lan Transformer are tested.

19 Helpful vote Comments

L***s

Norway

Verified Purchase

5 .0