8 Fibers MTP Singlemode Fiber Optic Loopback Module for 40/100G Network Testing

The MTP loopback contains MPO back ring jumping lines in the LOOPBACK configuration, with both ends of the fiber terminated in an MPO connector to create a complete light path within the same connector. This design enables testing of device launch capacity and receiving sensitivity, particularly in 40/100G network communications. By returning signals, it helps locate various potential issues and facilitates effective testing and evaluation of individual components or interfaces within fiber optic networks.

Available in multiple optical fiber circuit configurations to accommodate 8-core, 12-core, and 24-core MPO connectors with various fiber configurations for comprehensive port testing:

• 8F MPO Fiber Loopback Module: Verifies and tests transceivers with MPO interface - 40GBASE-SR4/CSR4 QSFP+ devices
• 12F MPO Fiber Loopback Module: Verifies and tests transceivers with MPO interface - 40GBASESR4 QSFP+ or 100GBASE-SR4 devices
• 24F MPO Fiber Loopback Module: Verifies and tests transceivers with MPO interface - 100GBASESR10 CXP/CFP devices

MTP Loopback modules provide looped signals to test transmit and receiving functions. Widely used within testing environments, especially in parallel optics 40 and 100G networks. Loopbacks are engineered to link Transceivers (TX) and Receivers (RX) positions of MPO transceiver interfaces. MPO loopbacks facilitate and accelerate IL testing of optical network segments by connecting them to MPO trunks and patch leads.

MPO Singlemode Reference: IEC 61754-7

MPO Singlemode Housing Details:

• SM APC: Green connectors + black boot (Standard Loss MPO)
• SM APC: Yellow connectors + black boot (Super low loss MPO)

MPO Multimode Reference: IEC 61754-7

MPO Multimode Housing Details:

• OM1 & OM2 PC: Beige connectors + black boot (Standard Loss MPO)
• OM3 & OM4 PC: Aqua connectors + black boot (Standard & Super low loss MPO)
• OM3 & OM4 PC: Heather Violet connectors + black boot (Standard loss MPO)

• Meets IEC Standard IEC-61754-7; IEC61755, Telcordia GR-1435-CORE, JIS C5982; TIA-604-5(FOCIS5) compliant
• Structured cabling per TIA-568-C
• 10G Fiber Channel Compliant
• 40G and 100G IEEE 802.3 compliant

A loopback test involves sending a signal from a communication device and looping it back to the same device to verify proper functionality or troubleshoot defective network nodes. Optical loopbacks specifically verify the operational reliability of devices by routing the signal emitted from the transmit (Tx) end of an active component back to the receive (Rx) end of the same component using fiber optic loopback cables or modules.

Fiber optic loopback testing is commonly employed for checking fiber optic transceivers. Since transceivers have separate ports for receiving and transmitting light signals, testing these ports is essential for maintenance. The testing process routes the laser signal from the transmitter port back to the receiver port, then compares transmitted and received patterns to ensure they are identical and error-free.

• Collocated with 40G or 100G MPO/MPO interface transceivers
• Used for testing transmission capability and receiver sensitivity of fiber optic network equipment

When selecting a loopback for specific transceivers, consider connector type, polish type, and cable type. The following tables provide selection guidance for commonly used transceiver modules.

• 7236013 ZCM1111HXA: 8F MPO SM Fiber Optic Loopback Module/Cable
• 7236014 ZCM1121HXA: 12F MPO SM Fiber Optic Loopback Module/Cable
• 7236015 ZCM1141HXA: 24F MPO SM Fiber Optic Loopback Module/Cable
• 7236016 ZCM1116HXA: 8F MPO OM3 Fiber Optic Loopback Module/Cable
• 7236017 ZCM1126HXA: 12F MPO OM3 Fiber Optic Loopback Module/Cable
• 7236018 ZCM1146HXA: 24F MPO OM3 Fiber Optic Loopback Module/Cable
• 7236019 ZCM1117HXA: 8F MPO OM4 Fiber Optic Loopback Module/Cable
• 7236020 ZCM1127HXA: 12F MPO OM4 Fiber Optic Loopback Module/Cable
• 723602: ZCM1147HXA: 24F MPO OM4 Fiber Optic Loopback Module/Cable
• 7236022 ZCM2111HXA: 8F MTP SM Fiber Optic Loopback Module/Cable
• 7236023 ZCM2121HXA: 12F MTP SM Fiber Optic Loopback Module/Cable
• 7236024 ZCM2141HXA: 24F MTP SM Fiber Optic Loopback Module/Cable
• 7236025 ZCM2116HXA: 8F MTP OM3 Fiber Optic Loopback Module/Cable
• 7236026 ZCM2126HXA: 12F MTP OM3 Fiber Optic Loopback Module/Cable
• 7236027 ZCM2146HXA: 24F MTP OM3 Fiber Optic Loopback Module/Cable
• 7236028 ZCM2117HXA: 8F MTP OM4 Fiber Optic Loopback Module/Cable
• 7236029 ZCM2127HXA: 12F MTP OM4 Fiber Optic Loopback Module/Cable
• 7236030 ZCM2147HXA: 24F MTP OM4 Fiber Optic Loopback Module/Cable

Our fiber optic cables are packaged in easily handled, well-protected containers labeled and marked by OMC as standard. Available carton sizes include 34×22×15 cm, 44×34×24 cm, and 54×39×34 cm. Carton selection depends on order quantity. Custom packaging options are available.

We offer comprehensive OEM/ODM services including:

• Cable color, printing text, cable jacket material, connector colors
• OEM Labels, identification rings, cable labels, boxes, shipping marks
• Different quality levels to meet specific requirements