T & S MTP / MPO fiber loop is a device used for parallel connection tests and an aging test of optical communication equipment. Well-designed by engineers at T&S, our MTP/MPO loopback adapter
can transmit the optical network signal from the transmitter to the receiver, thereby forming the optical signal receiving and transmitting loop. MTP / MPO fiber loop provides a fast and efficient
way to test the transmission capacity and receiving sensitivity of optical network equipment. T & S MTP / MPO fiber loop has 8F, 12F, 16F, 24F, 32F channels with low loss and conventional loss,
single-mode and multi-mode options. Our MTP/MPO loopback adapter is now widely used for optical network equipment self-test, network diagnosis, and test, etc.
Features of MTP/MPO Loopback Adapter
Available in various polarity and fiber types
Meet TIA/EIA and IEC interpretability standards
RoHS compliant
Customized attenuation available
Available with or without Pull tabs
8F , 12F, and 24fF available
Specifications of MTP/MPO Loopback
General SpecificationTechnical Specification
Construction Description
Fiber Count 2fibers for duplex type; 2-24fibers for multi-fiber connector
Fiber Mode Single mode: OS2/G657 9/125um
Multimode: OM1 62.5/125 um OM2 OM3OM4 50/125um;
Fiber Brand Corning SMF-28® Ultra optical fiber
Corning ClearCurve® multimode fiber
Cable Jacket Ratings Low Smoke Zero Halogen (LSZH)
Riser (OFNR)
Plenum (OFNP)
Cable Jacket Color OS2/G657: Yellow
OM1&OM2: Orange
OM3: Aqua; OM4: Aqua/Magenta
or Customized
Polarity Type A, Type B, Type C (TIA-568.3-D) or Customized
Connector Type SC LC MPO MTP
Connector Color
(SC LC) SM(APC) SM(PC) OM3 OM4 or customized
Green Blue Aqua Magenta/Aqua
Connector Color
(MPO MTP) SM(APC) SM(PC) OM3 OM4 or customized
Low Loss Yellow Yellow Aqua Magenta/Aqua
Standard Green Blue Aqua Magenta/Aqua
Loopback housing color black
Operating Temperature -20°C to + 70°C
Storage Temperature -40°C to + 85°C
MTP Loopback with Housing and Pull-tab
The MTP loopback adapter occupies both ends of fiber in a duplex connector or a multi-fiber connector. This MTP lookback with housing and pull-tab can provide an effective solution so as to test
the emission ability of the network equipment and receive sensitivity. Especially in 40/100G network communication, our MTP loopback devices can achieve optical fiber network in pairs on a single
element or interface and conduct effective tests and evaluation of the Internet through back signal positioning.
MTP/MPO Lookback Adapter Applications
MTP®/MPO Loopback Adapter is used widely in testing applications within parallel optical 40Gbps and 100Gbps networks. The MTP loopback adapters enable verification and test of transceivers with
MTP®/MPO interface like 40Gbps BASED SR4 QSFP+. MTP loopback adapters are developed to connect transceivers and a receiver port of the MTP®/MPO transceiver interface. MTP®/MPO loopback adapters do
a great help in speeding up IL test of optical networks section by connecting them to an MTP®/MPO trunk.