Is there an industrial (-40°C to 85°C) version of this 10km BiDi SFP?

Yes, we offer the Industrial version: LS-BL315501-10I. Check our product page for details.

Do you offer discounts for bulk orders over 500 pieces?

Yes, significant volume discounts apply. Please email us for a tailored quote.

Does it support Fast Ethernet and Fibre Channel protocols?

Yes, it supports both Fast Ethernet and Gigabit Fibre Channel.

How accurate is the DOM reading for power?

Within ±3dB for Tx/Rx power, ±3°C for temp — good enough for daily monitoring.

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Cisco GLC-FE-100BX-U Compatible LINK-PP 155M SFP BiDi 1310nm-TX/1550nm-RX 10km Simplex LC DOM SMF Optical Transceiver Module

Name: Cisco GLC-FE-100BX-U Compatible LINK-PP 155M SFP BiDi 1310nm-TX/1550nm-RX 10km Simplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 222194
Price: 5.676 USD
Availability: InStock
Rating: 4.9 (14 reviews)

# 222194

Product: Cisco GLC-FE-100BX-U Compatible LINK-PP 155M SFP BiDi 1310nm-TX/1550nm-RX 10km Simplex LC DOM SMF Optical Transceiver Module
SKU: 222194
P/N: LS-BL315501-10C
Price: $ 6.6
Stock: 589 in Stock
Sold: 1.7K
Product URL: https://www.l-p.com/products/497027.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

14 Reviews

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Manufacture: LINK-PP

P/N: LS-BL315501-10C

Compatible:: Cisco; LINK-PP; Avaya; Brocade; Extreme; FS; Generic; H3C; Netgear; ProCurve

Compatible P/N:: GLC-FE-100BX-D | 10km; GLC-FE-100BX-U | 10km; ONS-SE-100-BX10D-D | 10km; ONS-SE-100-BX10U-D | 10km; MFEBX1-U | 20km; MFEBX1D | 20km

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Cisco GLC-FE-100BX-U Compatible LINK-PP 155M SFP Specifications

GLC-FE-100BX-U is a 155M SFP BiDi single-mode optical transceiver engineered to deliver bidirectional data transmission up to 10km over a single strand of fiber by pairing a 1310nm FP laser transmitter with a 1550nm PIN photodiode receiver.

Cisco Part Number	GLC-FE-100BX-U	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	155Mbps
Wavelength	1310nm-TX/1550nm-RX	Max Cable Distance	10km
Connector	Simplex LC	Media	SMF
Transmitter Type	FP	Receiver Type	PIN
TX Power	-14 to -8dBm	RX Power	-32 to -6dBm
Receiver Sensitivity	< -32dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

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Q: Is there an industrial (-40°C to 85°C) version of this 10km BiDi SFP? By C***e on 2026-03-05

A: Yes, we offer the Industrial version: LS-BL315501-10I. Check our product page for details. By admin on 2026-03-06
Q: Do you offer discounts for bulk orders over 500 pieces? By A***e on 2026-02-14

A: Yes, significant volume discounts apply. Please email us for a tailored quote. By admin on 2026-02-15
Q: Does it support Fast Ethernet and Fibre Channel protocols? By B***r on 2025-11-22

A: Yes, it supports both Fast Ethernet and Gigabit Fibre Channel. By admin on 2025-11-23
Q: How accurate is the DOM reading for power? By D***e on 2025-10-07

A: Within ±3dB for Tx/Rx power, ±3°C for temp — good enough for daily monitoring. By admin on 2025-10-08

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J***y

Italy

Verified Purchase

5 .0

2026-05-11

Double-checked compatibility before shipping. The sales support team confirmed the exact coding required for our hardware platform. Exceptional shopping experience.

44 Helpful vote Comments

N***n

Colombia

Verified Purchase

5 .0

2026-04-17

Makes troubleshooting fiber line attenuation so much easier when you can read live RX power from the CLI.

10 Helpful vote Comments

E***y

Pakistan

Verified Purchase

5 .0

2026-04-02

The perfect fix for our legacy SCADA network expansion. As a systems integrator for utility companies, finding reliable 155M Fast Ethernet BiDi SFP modules with real DOM capabilities is getting harder. We installed 24 of these LINK-PP units into a ring topology across several indoor substation enclosures. Even though these are commercial-grade (0°C to 70°C), the internal thermal sensors are reporting stable operating metrics around 42°C under full load inside the uncooled cabinets. The single LC simplex interface is a massive space-saver on the fiber patch panels, allowing us to double our node capacity without running new physical trunk lines. Will definitely standardise on this model for our mid-tier industrial clients.

96 Helpful vote Comments

K***s

South Africa

Verified Purchase

5 .0

2026-03-28

Our wholesale quote for 500 units was unbeatable compared to OEM pricing. link budget is outstanding.

22 Helpful vote Comments

P***l

Argentina

Verified Purchase

4 .0

2026-01-27

Great optics, but shipping logistics ran into a minor delay. The modules themselves are absolutely solid—plugged them into our media converters for a 7km fiber link and the connection came up instantly without any packet loss. Unfortunately, local customs held up the shipment for two days, which threw off our deployment schedule slightly. The product is perfect, but I'd recommend choosing expedited courier shipping if you are on a tight project deadline.

32 Helpful vote Comments

G***m

France

Verified Purchase

5 .0

2026-01-19

Matches the 1310nm TX 1550nm RX single-mode requirements perfectly. Zero hassle.

12 Helpful vote Comments

F***y

Nigeria

Verified Purchase

4 .0

2025-12-03

Took a minute to get the EEPROM coding verified. The optical power levels are very stable and the 10km reach spec is completely accurate over our single-mode infrastructure. We did have a slight hiccup initially getting our older legacy switch to recognize the vendor ID code, but after a quick reboot of the switch interface, it synced up fine. Once recognized, it has been running flawlessly without a single link flap.

23 Helpful vote Comments

B***l

India

Verified Purchase

5 .0

2025-11-22

Flawless performance across our campus distribution layer. We ordered a batch of these LS-BL315501-10C BiDi SFP transceivers to upgrade some legacy Fast Ethernet links between our main administrative building and a remote security checkpoint about 7km away. Deployed them into our switches on single-strand single-mode fiber to free up some dark fiber cores for a separate project. The DOM/DDM telemetry integration works flawlessly, showing stable TX power levels around -10dBm and RX sensitivity well within the safe operational margin. No CRC errors or link flaps encountered over a 72-hour continuous packet stress test using an Ixia tester. Excellent commercial-grade performance at an absolute fraction of the OEM cost.

134 Helpful vote Comments

L***e

New Zealand

Verified Purchase

5 .0

2025-11-10

Hooked it up to our fiber scope and traffic analyzer. The optical waveform looks exceptionally clean for a commercial-grade module. No jitter issues whatsoever.

37 Helpful vote Comments

D***n

Bangladesh

Verified Purchase

5 .0

2025-10-07

We deployed 50 units of these commercial-grade BiDi optics (0°C to 70°C) across our indoor distribution frames. Even in tight, uncooled cabinets during mid-summer, the DOM heat metrics stayed completely stable.

19 Helpful vote Comments

M***e

Peru

Verified Purchase

5 .0

2025-09-30

Great optical budget and accurate real-time telemetry. As a datacenter technician, the first thing I check on any new transceiver brand is the accuracy of the Digital Optical Monitoring data. Hooked these up to our network monitoring suite via SNMP, and the live readouts for voltage, bias current, and temperature track perfectly with our external handheld hardware optical power meters. We are using these for low-bandwidth management links across our secondary server hall facility. Even with constant cable movements and high ambient rack temperatures, these simplex LC modules haven't flinched once. Solid engineering from the LINK-PP team on these optics.

155 Helpful vote Comments

H***n

Canada

Verified Purchase

5 .0

2025-09-15

Ran a 24-hour bit error rate test (BERT) across an 8.5km real-world single-mode fiber run. Zero frames dropped. LINK-PP is definitely our new go-to for alternative optical modules.

39 Helpful vote Comments

O***n

Chile

Verified Purchase

5 .0

2025-08-21

Paired this LS-BL315501-10C (1310TX/1550RX) with the matching 1550TX/1310RX module on the other end. Seamless link synchronization.

38 Helpful vote Comments

S***l

Saudi Arabia

Verified Purchase

5 .0