Passive Fiber Network TAPs are ideal for security applications, network monitoring and anywhere you need to see all the data that only an on-line solution can provide.
Passive Fiber Network TAPs provide permanent on-line access to network links. Their completely passive fault tolerant design insures that your links stay up during power outage. They are ideal for permanent 24x7 access to your fiber network for Network Analysis, IDS and monitoring.
Features
Various split ratios available
No packet loss
No point of failure
Passive, no power required
Non-intrusive in-line monitoring
Captures and delivers a copy of all traffic to any analysis tool
100% visibility into the network - including VLAN tags
Reduces degradation of switch performance due to port mirroring
Invisible on the network - no IP address means additional security
Supports multiple topologies: Gigabit Ethernet, ATM, OC3-48, and SONET
Connectors on front for easy access and operation
Operating Wavelength(nm) | 820±40/980±40/ 1310±40/1550±40 | 980&1550±40/ 1310&1490&1550±40 | Parameter | Unit | Value |
Coupling Ratio (%) | Insertion Loss (dB) | Fiber Type | / | Hi 780/ Flex 1060/ SMF-28e/ SMF-28e XB |
Tap | Signal | Tap | Signal |
01/99 | 19.0-21.0 | ≤0.20 | 18.5-21.5 | ≤0.25 | PDL | dB | Typ.:<0.1 Max.:<0.15 |
03/97 | 14.6-16.2 | ≤0.30 | 14.5-16.5 | ≤0.30 | Directivity | dB | >55 |
05/95 | 12.4-13.8 | ≤0.35 | 12.0-14.5 | ≤0.45 | Return Loss | dB | >50 |
10/90 | 9.70---10.7 | ≤0.60 | 9.70-11.2 | ≤0.60 | Excess Loss | dB | Typ.:<0.1 Max.:<0.2 |
20/80 | 6.70---7.60 | ≤1.15 | 6.60---7.80 | ≤1.15 | Pigtail Dia. | mm | 0.25 /0.9 / 2 / 3 |
33/67 | 4.65---5.65 | ≤1.70 | 4.50---5.85 | ≤1.80 | Pigtail Length | cm | >100 |
40/60 | 3.95---4.30 | ≤2.50 | 3.70---4.70 | ≤2.70 | Operating Tem. | ºC | -10~ +70 |
50/50 | 2.85---3.30 | 2.80---3.40 | Storage Tem. | ºC | -40~ +85 |

Since 2011, Wuhan Seifree Technology Co.,LTD has provided high quality fiber optic products and solutions for our customers in many industries, including broadband, telecom, data center, fiber laser, fiber sensor, on-line monitoring, medical equipment, aerospace and military defense.
Our Products
Fiber Optic Splitter (FBT Splitter, PLC Splitter, Filter Splitter)
WDM (Fused WDM, Filter WDM, CWDM, DWDM, OADM)
Micro-optic Devices (Optical Isolator, Optical Circulator)
Fiber Optic Interconnect (Fiber Optic patch Cable, Fiber Adapter, Fiber Attenuator)
Active Devices (SFP, SFP+, SFP28, QSFP+, QSFP28 optical module)
ODM
Seifree can design and produce various types of optical fiber devices and equipment that meet customer needs.
We have rich R&D experience and mature customization process, and can provide OEM/ODM services for communications, fiber lasers, fiber sensing, medical equipment, aerospace, military defense and other fields.
After-sales service
1-year Warranty: from the date of purchase, non-human faults within the warranty period can enjoy free maintenance services. If the warranty period is exceeded, we will charge maintenance fees according to the actual situation.
Exchange Goods: after receiving the goods, if the product has non-artificial quality problems, please contact the sales team to deal with the return and exchange issues.
Technical Support: we provide technical support for customers on-site measurement and use of products through email, telephone or video.
Quality Assurance
Based on the ISO9001 quality management system, Seifree ensures the reliability and consistency of products and services through effective management and control of each process.
Value-added services
Wuhan Seifree Technology Co., Ltd. is committed to developing a win-win relationship with customers.
In order to effectively promote a win-win development relationship, we provide customers with some value-added service options, aiming to help customers reduce costs, improve production efficiency, and optimize warehousing and logistics links.
· Stocking - timely delivery
· Customer zero inventory - reduce customer warehousing costs
· Personalized assembly - reduce labor costs
Q1: Is your company a manufacturer or dealer?
A1: We have our own factory in Wuhan, China.
Q2: Can you provide free samples for us?A2: Sure, we can provide free samples for you, but the freight should be paid by you.Q3: What's the lead time for all the goods that I required?A3: It depend on the quantity of products. Generally, it would be 1 week.Q4: What's the warranty for your products?A4: Normally it is 1 year.Q5: What's your payment term?A5: It is 100% T/T in advance.Q6: What's the MOQ for your products?A6: 1pc is okay.