GRANDLINK OTDR GLK3500D | 1310/1550nm ±20nm | 24/22dB Dynamic Range | OT032

Professional OTDR for FTTH/PON troubleshooting

Dual-wavelength 1310/1550nm (±20nm) with dynamic range 24dB/22dB, SC/UPC interface. Ideal for contractors and maintenance teams to locate fiber breaks, macro-bends, and splice losses quickly.

Key Highlights
Dual-Wavelength: 1310nm & 1550nm for access & long-haul checks
Dynamic Range: 24dB (1310nm) / 22dB (1550nm) for last-mile to metro access testing
Connector: SC/UPC (ready for common FTTH links)
Fast Fault Location: Identify breaks, high-loss splices, and connectors
User-Friendly: Simple UI suitable for field technicians
Portable: Lightweight handheld design (field-ready)

Recommended Use
FTTH/FTTx installation & acceptance
PON/ODN maintenance (GPON/EPON)
Fiber troubleshooting for ISPs, SI/contractors, campus & CCTV fiber runs

Compatibility
Fiber type: Single-mode (SM)
Connector: SC/UPC (use adapters to test LC/FC/ST if needed)

What’s in the Box
1 × GRANDLINK OTDR GLK3500D unit
1 × SC/UPC patch cord (or adapter)
1 × Power/charging cable
1 × Carry pouch/strap
1 × Quick guide
(Package contents may vary slightly by batch.)

Specifications
Model: GLK3500D
Wavelengths: 1310nm / 1550nm (±20nm)
Dynamic Range: 24dB / 22dB
Interface/Port: SC/UPC
Application: FTTH/PON/ODN single-mode fiber testing

Notes
Use clean connectors and proper inspection to avoid high reflection/false events.
For LC/FC/ST links, add the matching adapter or hybrid patch cord.
Calibration/verification recommended before critical acceptance tests.