Fiber Loopbacks

Malaysian upgrade projects can use this configuration where its interface and fiber map align with both the installed cabling and the new hardware. The range covers fiber loopback modules for port and link verification: duplex LC and SC versions for single-mode optics, attenuated 3dB models, and MTP/MPO plus MMC multi-fiber loopbacks with Type 1 assignment.

For Malaysian campus projects, keep one loopback per interface type in the commissioning kit and store modules capped in their bags between jobs. Malaysian upgrade teams can use this detail to compare the new assembly with the installed cabling records.

Choose the attenuated version when the test plan calls for a realistic channel loss calculation; the fixed 3dB loop simulates a short haul with mated connector pairs.

LC/SC Loopback Modules

LC UPC Duplex Fiber Loopback Module, OS2
Duplex LC UPC loopback for OS2 single-mode transceiver and link testing.

SC UPC Duplex Fiber Loopback Module, OS2
Duplex SC UPC loopback for OS2 single-mode port and link testing.

LC UPC Duplex Attenuated Fiber Loopback Module, OS2, 3dB
Duplex LC UPC loopback with fixed 3dB attenuation, simulating real link loss on OS2 links.

MTP/MPO Loopback Modules

MTP 8F Male Type 1 Fiber Loopback Module, OS2
8F MTP male Type 1 loopback for OS2 40/100G SR4-class port testing.

MTP 16F Female Type 1 Fiber Loopback Module, OS2
16F MTP female Type 1 loopback for OS2 400G DR4-class port testing.

MTP 12F Female Type 1 Fiber Loopback Module, OS2
12F MTP female Type 1 loopback for OS2 parallel-optics port testing.

MTP 24F Female Type 1 Fiber Loopback Module, OM4
24F MTP female Type 1 loopback on OM4 multimode for high-radix port testing.

MTP 8F Female Type 1 Fiber Loopback Module, OS2
8F MTP female Type 1 loopback for OS2 40/100G SR4-class port testing.

MPO 12F Female Type 1 Attenuated Fiber Loopback Module, OS2, 3dB
12F MPO female Type 1 loopback with fixed 3dB attenuation for OS2 parallel links.

MTP 12F Male Type 1 Fiber Loopback Module, OS2
12F MTP male Type 1 loopback for OS2 parallel-optics port testing.

MMC Loopback Modules

MMC 16F Female Type 1 Fiber Loopback Module, OS2
16F MMC female Type 1 loopback for OS2 MMC-interface transceiver testing.

MMC 24F Female Type 1 Fiber Loopback Module, OS2
24F MMC female Type 1 loopback for OS2 MMC-interface transceiver testing.

Ordering and Customization Support

Each loopback module is optically tested before packing and ships with its dust cap fitted. When purchasing, refer to the diagnostic module by connector interface, fiber count, polish and attenuation; for other attenuation ratings, assignment types or connector combinations, send the test need with the inquiry and the factory will determine the manufacturable specification. For Malaysian upgrades, our team can compare the requested build with the existing environment before production begins.