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FiberOptics

Frequently Asked Questions

Find answers to common questions about our products and services

General Questions

Learn more about our company and services

What products does Juzhao Data offer?

Juzhao Data specializes in fiber optic products including:

  • Communication Fiber - Single mode and multi mode fiber optic cables
  • Communication Cable - Outdoor, indoor, armored and FTTH drop cables
  • Cabling System - Patch panels, distribution frames, adapters, termination boxes
  • Optical Transceivers - SFP, SFP+, QSFP, QSFP28 modules compatible with major brands

All products are ISO9001:2015 certified and 100% tested before shipping.

Where is Juzhao Data located?

Our company is located at: Room 807, No.5 Wangjiang 2nd Street, Huangge Town, Nansha District, Guangzhou, Guangdong Province, China

We serve customers worldwide with efficient logistics and shipping partners including DHL, FedEx, and UPS.

What certifications do your products have?

Our products are certified with:

  • ISO9001:2015 - Quality Management System
  • RoHS - Restriction of Hazardous Substances
  • CE - Conformité Européenne
  • Telcordia GR-326 - Fiber Optic Connector Standard

All certifications are available upon request.

Do you offer OEM/ODM services?

Yes, we provide comprehensive OEM and ODM services including:

  • Custom cable lengths and connector types
  • Custom packaging and labeling
  • Private labeling with your logo
  • Custom product specifications

Contact our sales team to discuss your requirements.

What is your warranty policy?

We offer a 3-year warranty on all our fiber optic products. The warranty covers manufacturing defects and performance issues. Technical support is available throughout the product lifecycle.

For warranty claims, please contact our customer service team with your order number and product details.

Sales & Pricing

Information about ordering, pricing, and shipping

What is the minimum order quantity (MOQ)?

Our standard MOQ is 10 pieces for most products. For custom OEM orders, MOQ may vary based on specifications. Sample orders are available for testing purposes.

How can I request a quote?

You can request a quote through any of these methods:

  • Use the contact form on our website
  • Email us directly at sales@fiberoptics.com
  • Call us at +86 138 2846 6009
  • WhatsApp: +86 13828466009

We typically respond within 24 hours.

What payment methods do you accept?

We accept: T/T Bank Transfer, L/C, PayPal (for sample orders), Western Union.

What is your shipping and delivery time?

Express Shipping (DHL/FedEx): 3-7 working days. Air Freight: 7-10 working days. Sea Freight: 20-30 working days.

Do you provide free samples?

Yes, we offer free samples for qualified customers. Shipping costs for samples are typically borne by the customer.

Technical Support

Technical information about fiber optic products

Single mode vs multi mode fiber - what's the difference?

Single Mode (OS2): 9μm core, up to 100km+ distance, yellow color. Best for long distance and backbone networks.

Multi Mode (OM3/OM4/OM5): 50μm core, up to 550m distance, aqua/lime green color. Best for data centers and short distance.

What are insertion loss specifications?

Standard Grade: ≤0.3dB, Premium Grade: ≤0.2dB. Return Loss: ≥50dB (UPC), ≥60dB (APC).

What connector types are available?

LC, SC, FC, ST, MPO/MTP connectors available in UPC and APC polish types.

UPC vs APC connector - what's the difference?

UPC (Blue): ≥50dB return loss, for general purpose. APC (Green): ≥60dB return loss, 8° angle, for analog video and FTTx.

What is the operating temperature range?

Standard: -40°C to +85°C. High temperature specialty fiber: -60°C to +300°C.

How to choose the right SFP module?

Consider: Compatibility with your switch, Speed (1G/10G/25G/40G/100G), Distance (SR for short, LR for long), Wavelength.

Simplex vs Duplex fiber cables?

Simplex: Single fiber, one-way transmission. Duplex: Two fibers, bidirectional communication (most common for SFP modules).

How to clean fiber optic connectors?

Use one-click cleaners or lint-free wipes with isopropyl alcohol. Never touch the ferrule end face with fingers. Always use dust caps.

What is the maximum transmission distance?

OM3: 300m (10G), OM4: 550m (10G), OS2: 40km+ (10G), 10km+ (100G).

Are your modules compatible with major brands?

Yes, our optical transceivers are compatible with Cisco, Juniper, Huawei, Arista, and other major brands. Factory pre-programmed with compatibility codes.

Still have questions?

Our technical support team is ready to help you

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