Can you supply matched pairs (1310nm-TX and 1550nm-TX) in bulk for a 100-link project?

Yes, we can supply 100 matched pairs (L9-SC315501-60CTI paired with its 1550nm-TX/1310nm-RX 60km industrial counterpart) under a single PO with volume discount pricing.

Is this module suitable for SDH STM-1 utility protection rings on OPGW overhead ground wire fibers?

Absolutely. Its 155Mbps rate, 60km single-fiber BiDi reach, -40°C to +85°C temperature tolerance, and high ESD immunity make it a popular choice for electric utility OPGW and pipeline SCADA SDH STM-1 links.

Does the L9-SC315501-60CTI use CML or PECL data inputs/outputs?

As indicated by the 'CTI' suffix, it uses differential CML (Current Mode Logic) on the Tx/Rx data lines, a TTL Signal Detect output on Pin 4, and an Industrial (-40°C to +85°C) temperature rating at 3.3V.

What type of fiber cable and connector polish (UPC vs APC) should we use with the Simplex SC port?

Use standard 9/125μm OS2 single-mode fiber (ITU-T G.652D) terminated with a Simplex SC/UPC (blue connector) ferrule for lowest insertion loss and proper mating with the module's SC receptacle.

How does the industrial L9-SC315501-60CTI maintain wavelength stability across -40°C to +85°C over a 60km link?

The L9-SC315501-60CTI uses industrial-grade screened 1310nm laser diodes, temperature-compensated bias control circuitry, and high-isolation WDM filters so optical output power and sensitivity remain rock-solid from -40°C to +85°C.

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LINK-PP L9-SC315501-60CTI 155M STM-1 OC-3 1x9 1310nm-TX/1550nm-RX 60km Simplex SC SMF Transceiver Module (Industrial)

Name: LINK-PP L9-SC315501-60CTI 155M STM-1 OC-3 1x9 1310nm-TX/1550nm-RX 60km Simplex SC SMF Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 223851
Price: 11.25 GBP
Availability: InStock
Rating: 5 (20 reviews)

Product: LINK-PP L9-SC315501-60CTI 155M STM-1 OC-3 1x9 1310nm-TX/1550nm-RX 60km Simplex SC SMF Transceiver Module (Industrial)
SKU: 223851
P/N: L9-SC315501-60CTI
Price: £ 11.25
Stock: 50 in Stock
Sold: 150
Product URL: https://www.l-p.com/products/497398.htm

For Order Over £ 750.00 Get £ 11.25 Off , Code: Linkpp15

For Order Over £ 2,250.00 Get £ 37.50 Off , Code: Linkpp50

For Order Over £ 3,750.00 Get £ 75.00 Off , Code: Linkpp100

New Users: £ 7.50 Coupon on Your First Order , Code: linkpp2610

20 Reviews

5 Questions

150 Sold

£ 11.25

Free shipping over £ 74.25. For wholesale pricing, please contact us directly.

Qty (pcs) :

Unit Price :

£ 11.25

100

£ 10.69

1000

£ 10.35

3000

£ 10.01

6000

£ 9.68

Manufacture: LINK-PP P/N: L9-SC315501-60CTI SKU: 223851

Compatible:: LINK-PP

Compatible P/N:: L9-SC315501-20PPC | 20km; L9-SC315501-20PPI5 | 20km; L9-SC315501-20PTC | 20km; L9-SC315501-20PTI | 20km; L9-SC315501-20PTI5 | 20km; L9-SC553101-20PPC | 20km; L9-SC553101-20PPI | 20km; L9-SC553101-20PPI5 | 20km; L9-SC315501-60CTC | 60km; L9-SC315501-60CTI | 60km

Shipping:

To Be Negotiated

£ 17.52

Can't deliver

to United Kingdom via FedEx IP

Estimated delivery time : 3 - 6 days.

5-Year Warranty 15-Day Returns 15-Day Exchange

Stock:

50 in Stock .

Quantity:

Total Price:

11.25

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Specifications of LINK-PP 155M BiDi 1x9 Transceiver

The LINK-PP L9-SC315501-60CTI is an industrial-grade 1x9 optical transceiver engineered for high-performance 155Mbps networking. It features a single-fiber BiDi design utilizing Tx1310nm and Rx1550nm wavelengths. Built with a reliable FP laser and PIN detector, this module delivers robust 60km reach over single-mode fiber, making it ideal for SDH STM-1 and Fast Ethernet applications.

LINK-PP Part Number	L9-SC315501-60CTI	Vendor Name	LINK-PP
Form Factor	1x9	Max Data Rate	155Mbps
Wavelength	1310nm-TX/1550nm-RX	Max Cable Distance	60km
Fiber Interface	Simplex SC	Fiber Type	SMF
Transmitter Type	FP	Receiver Type	PIN
Differential Input/ Output	CML	Signal Detect	TTL
Power Supply	3.3V	Operating Temperature Range	-40 to +85℃

Key Features of LINK-PP L9-SC315501-60CTI

This robust optical module operates on a single +3.3V power supply and supports industrial temperature ranges from -40°C to +85°C. The L9-SC315501-60CTI incorporates CML differential data interfaces and standard TTL signal detection, guaranteeing seamless integration and outstanding performance in challenging environments.

Standard 1x9 Package for Reliable PCB Mounting

Utilizing an industry-standard 1x9 SIP footprint, the L9-SC315501-60CTI ensures secure through-hole soldering for reliable PCB mounting. This classic package design provides excellent mechanical stability against vibration in rugged networking equipment.

155M Single-Fiber Connectivity for Industrial Security Network

Delivering a steady 155.52Mbps data rate, this transceiver optimizes single-fiber connectivity for industrial security networks. It efficiently supports Fast Ethernet and SONET OC-3 protocols, ensuring uninterrupted, high-speed data transmission for mission-critical surveillance systems.

WDM Technology: 1310nm-TX/1550nm-RX Bi-Directional Link

By leveraging advanced WDM technology, the transceiver establishes a bi-directional link over one fiber strand. It transmits data using a 1310nm FP laser while receiving at 1550nm, doubling your existing fiber capacity without additional cabling costs.

Stable 60km Transmission for Long-Reach Networks

Equipped with a highly sensitive -34dBm PIN receiver, the L9-SC315501-60CTI guarantees stable signal integrity across extended distances. It effortlessly maintains a long-reach 60km optical link, providing a cost-effective solution for extensive telecommunication infrastructure.

Simplex SC Interface with Low EMI Design

The module features a durable Simplex SC optical receptacle designed for quick and secure fiber connections. Its specialized internal shielding ensures extremely low electromagnetic interference, promoting superior signal clarity in high-density industrial setups.

LINK-PP L9-SC315501-60CTI 155M 1x9 Certification

Our L9-SC315501-60CTI 155M 1x9 module is backed by comprehensive industry certifications, ensuring complete safety, environmental compliance, and consistent optical performance across diverse global enterprise networks.

Strict Quality Control & Testing Program

Every transceiver undergoes a stringent quality control program before shipment. This ensures that every manufactured L9-SC315501-60CTI meets exact optical specifications and delivers long-term durability in the field.

Quality Certifications & EMI/ESD Regulatory Compliance

Fully compliant with CE, FCC, UL, UKCA, and RoHS standards, this module features advanced ESD protection and Class 1 laser safety, surpassing stringent EMI/EMC regulatory requirements.

Certified for Seamless PCB Integration & Protocol Compatibility

Tested to comply with ITU-T G.957 standards, the transceiver ensures flawless protocol compatibility with Fast Ethernet and SDH routers, enabling straightforward and seamless printed circuit board integration.

Rigorous Testing Ensures Reliable 1x9 Performance

To guarantee superior functionality, the L9-SC315501-60CTI is subjected to comprehensive laboratory testing, verifying its capability to withstand demanding networking conditions continuously.

Rigorous Testing Ensures Reliable Transceiver Performance

Optical Spectrum Test

Analyzes the 1310nm wavelength accuracy to confirm optimal FP laser spectral output.

Eye Pattern Test

Validates ITU-T G.957 compliance by evaluating signal integrity and high-speed data transmission quality.

Bit Error Rate Test

Confirms zero packet loss during continuous 155Mbps data transmission over 60km fiber links.

Temperature Test

Ensures flawless transceiver operation under extreme industrial conditions from -40°C up to +85°C.

Product Shipping for LINK-PP L9-SC315501-60CTI 155M 1x9

We employ professional packaging and reliable logistics to ensure your L9-SC315501-60CTI modules arrive securely and promptly for your industrial network deployment.

Anti-Static Protective Packaging

Each transceiver is sealed in premium ESD-safe bags preventing static damage.

Shock-Resistant Transport Protection

Customized internal cushioning absorbs vibration and impact during transit.

Fast Order Processing and Dispatch

Streamlined warehouse operations guarantee quick order fulfillment and immediate dispatch.

Global Logistics and International Delivery

Partnered with top couriers for reliable, trackable delivery worldwide.

LINK-PP L9-SC315501-60CTI 155M 1x9 Usage Demonstration

To use the L9-SC315501-60CTI, precisely align its 9 pins with your networking PCB and securely solder them. Next, apply standard +3.3V power and insert a single-mode fiber into the Simplex SC receptacle to establish your 155M BiDi link.

L9-SC315501-60CTI Technical Support

LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.

Pre-Sales Technical Consultation

Professional technical guidance to help customers select the most suitable L9-SC315501-60CTI modules based on network architecture and application requirements.

Compatibility Verification Support

Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.

Deployment & Installation Assistance

Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.

Long-Term Technical Assurance

Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.

LINK-PP L9-SC315501-60CTI 155M 1x9 After-Sales Assurance

LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.

15-day no-reason return and refund

Free replacement for dead-on-arrival (DOA) or defective items within the initial period

Free repair services for manufacturing defects throughout the warranty period

Warranty exclusions and conditions apply

Model Comparison Table

	Current Model L9-SC315501-60CTI	L9-SC315501-20PTI	L9-FC554901-80PPC	L9-TD3101-10CTC	L9-SD3101-40PPI	L9-TD3101-02PPI5

Compatible	LINK-PP	LINK-PP	LINK-PP	LINK-PP	LINK-PP	LINK-PP
Data Rate (Max)	155Mbps	155Mbps	155Mbps	155Mbps	155Mbps	155Mbps
Wavelength	1310nm-TX/1550nm-RX	1310nm-TX/1550nm-RX	Tx1550nm/Rx1490nm	1310nm	1310nm	1310nm
Cable Distance (Max)	60km	20km	80km	10km	40km	2km
Operating Temperature	-40 to +85℃	-40 to 85°C	-	0 to 70°C	-40°C to +85°C	-40 to 85°C
Fiber Type	SMF	SMF	SMF	SMF	SMF	MMF
Fiber Interface	Simplex SC	Simplex SC
Form Factor	1x9	1x9	1x9	1x9	1x9	1x9
Transmitter Type	FP			FP	FP	FP
Receiver Type	PIN	PIN			PIN
Differential Input/ Output	CML
Signal Detect	TTL	TTL
Power Supply	3.3V

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Product Drawing L9-SC315501-60CTI.pdf Download

Questions & Answers
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Q: Can you supply matched pairs (1310nm-TX and 1550nm-TX) in bulk for a 100-link project? By N***o

A: Yes, we can supply 100 matched pairs (L9-SC315501-60CTI paired with its 1550nm-TX/1310nm-RX 60km industrial counterpart) under a single PO with volume discount pricing. By admin
Q: Is this module suitable for SDH STM-1 utility protection rings on OPGW overhead ground wire fibers? By R***i

A: Absolutely. Its 155Mbps rate, 60km single-fiber BiDi reach, -40°C to +85°C temperature tolerance, and high ESD immunity make it a popular choice for electric utility OPGW and pipeline SCADA SDH STM-1 links. By admin
Q: Does the L9-SC315501-60CTI use CML or PECL data inputs/outputs? By E***m

A: As indicated by the 'CTI' suffix, it uses differential CML (Current Mode Logic) on the Tx/Rx data lines, a TTL Signal Detect output on Pin 4, and an Industrial (-40°C to +85°C) temperature rating at 3.3V. By admin
Q: What type of fiber cable and connector polish (UPC vs APC) should we use with the Simplex SC port? By H***r

A: Use standard 9/125μm OS2 single-mode fiber (ITU-T G.652D) terminated with a Simplex SC/UPC (blue connector) ferrule for lowest insertion loss and proper mating with the module's SC receptacle. By admin
Q: How does the industrial L9-SC315501-60CTI maintain wavelength stability across -40°C to +85°C over a 60km link? By J***n

A: The L9-SC315501-60CTI uses industrial-grade screened 1310nm laser diodes, temperature-compensated bias control circuitry, and high-isolation WDM filters so optical output power and sensitivity remain rock-solid from -40°C to +85°C. By admin

Customer Reviews
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R***z

Italy

Verified Purchase

5 .0

2026-09-30

60km industrial BiDi 1x9 is a beast!

90 Helpful vote Comments

C***g

Poland

Verified Purchase

5 .0

2026-09-28

Industrial 3.3V 1x9 with huge optical budget.

194 Helpful vote Comments

A***g

Netherlands

Verified Purchase

4 .0

2026-09-27

Box corner was crushed in transit, yet inner ESD packaging protected every module.

7 Helpful vote Comments

I***o

Switzerland

Verified Purchase

5 .0

2026-09-26

RoHS compliant industrial construction with metal EMI shielding keeps signal integrity clean near high-voltage switchgear.

101 Helpful vote Comments

C***n

Israel

Verified Purchase

5 .0

2026-09-24

Saved us from installing repeater huts on highways.

125 Helpful vote Comments

B***k

Qatar

Verified Purchase

5 .0

2026-09-23

Optical margin on our 60km 155Mbps SDH STM-1 ring still has 3dB headroom left.

106 Helpful vote Comments

M***z

United States

Verified Purchase

5 .0

2026-09-15

CML data and TTL SD work reliably.

145 Helpful vote Comments

G***r

Spain

Verified Purchase

5 .0

2026-09-15

Zero drift at +85°C in desert cabinets.

97 Helpful vote Comments

S***n

Argentina

Verified Purchase

5 .0

2026-09-11

Single-fiber BiDi WDM over Simplex SC doubled capacity on remote power transmission OPGW cables.

148 Helpful vote Comments

G***g

Colombia

Verified Purchase

5 .0

2026-09-09

Our provincial highway authority needed a 58km single-fiber 155Mbps link between toll plazas with unheated roadside enclosures. The L9-SC315501-60CTI delivered flawless -40°C to +85°C operation and instant link recovery.

149 Helpful vote Comments

L***n

Sweden

Verified Purchase

5 .0

2026-09-07

Handles -40°C pipeline huts over 60km SMF.

62 Helpful vote Comments

R***t

Germany

Verified Purchase

5 .0

2026-08-31

Every unit passed 48-hour burn-in testing at +85°C before shipping our outdoor roadside cabinets.

50 Helpful vote Comments

G***s

Mexico

Verified Purchase

5 .0

2026-08-30

3.3V CML electrical interface and TTL SD pin matched our ruggedized RTU communication cards.

132 Helpful vote Comments

A***f

Brazil

Verified Purchase

5 .0

2026-08-28

Much more reliable than consumer converters when bridging remote mountain base stations over SMF.

25 Helpful vote Comments

D***r

United Kingdom

Verified Purchase

5 .0

2026-08-24

Simplex SC 1310nm/1550nm link locked over 57km.

67 Helpful vote Comments

S***d

Saudi Arabia

Verified Purchase

5 .0

2026-08-12

Rock-solid 155Mbps STM-1 performance on single-mode fiber.

149 Helpful vote Comments

A***x

France

Verified Purchase

5 .0

2026-08-12

High ESD immunity and clean wave-solder pins.

83 Helpful vote Comments

S***n

Morocco

Verified Purchase

5 .0

2026-08-12

Evaluated five vendors for a 60km industrial 1x9 BiDi module and LINK-PP won hands down. The 1310nm-TX/1550nm-RX WDM filter isolation and PIN receiver sensitivity kept BER below 10^-12 during thermal shock tests.

105 Helpful vote Comments

C***n

Canada

Verified Purchase

5 .0

2026-08-07

Best long-haul 155M BiDi module for utilities.

197 Helpful vote Comments

N***z

Chile

Verified Purchase

5 .0

2026-08-04

Installed L9-SC315501-60CTI along our 56km pipeline SCADA network; survives freezing winters and desert summers.

185 Helpful vote Comments

Verified Purchase

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1.1K Sold

£ 7.74 ~ 9.00

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LINK-PP L9-SC315501-20PPI5 155M SDH SONET 1x9 BiDi 1310nm-TX/1550nm-RX 20km Simplex SC SMF Transceiver Module (Industrial)

LINK-PP | L9-SC315501-20PPI5 | 20km

24 Reviews
|
2K Sold

£ 7.74 ~ 9.00

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LINK-PP L9-TD3101-02PPI 155Mbps duplex ST 1310nm 2km 1×9 MMF Optical Transceiver(Industrial)

LINK-PP | L9-TD3101-02PPI | 2km

23 Reviews
|
1.8K Sold

£ 7.10 ~ 8.25

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LINK-PP L9-SC315501-20PTC 155M STM-1 OC-3 1x9 BiDi 1310nm-TX/1550nm-RX 20km Simplex SC SMF Transceiver Module

LINK-PP | L9-SC315501-20PTC | 20km

28 Reviews
|
1.3K Sold

£ 7.10 ~ 8.25

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LINK-PP L9-SC553101-20PPC 155M STM-1 OC-3 1x9 1550nm-TX/1310nm-RX 20km Simplex SC SMF Transceiver Module

LINK-PP | L9-SC553101-20PPC | 20km

19 Reviews
|
831 Sold

£ 7.10 ~ 8.25

{"pid":497400,"minimum_ordered_quantity":1,"skulist":[{"pskuid":223853,"cid":752,"pid":497400,"sku":"223853","psvid1":327316,"psvid2":327317,"psvid3":0,"psvid4":0,"left_num":57,"price":"11.000","strike_price":"0.000","innercode":"","addtime":"2026-08-18 19:47:01","uptime":"2026-08-18 19:47:01","status":0}],"shippingLists":[{"id":"FEDEX","name":"FedEx IP","logo":"res\/shipping\/FEDEX.jpg","price":"29.47","isfree":0,"total":"29.47","datemin":3,"datemax":6,"unit_price":"11","subtotal":11}]}