The EXFO MaxTester 720D is a fully featured, entry-level access OTDR designed for construction, troubleshooting, and everyday field testing in access networks. According to the official EXFO spec sheet, it is optimized for both multimode and singlemode access network work, supports live and dark fiber characterization through the same OTDR port, and is suitable for testing through splitters up to 1×32.
| Brand | EXFO |
| Model | MaxTester 720D |
| Application | Access network construction and troubleshooting |
| Fiber Type | Singlemode and multimode versions available |
| Dynamic Range | Up to 36 dB (SM), 29 dB (MM) |
| Event Dead Zone | 0.7 m (SM), 0.5 m (MM) |
| Attenuation Dead Zone | 2.5 m (SM), 2 m (MM) |
| PON Dead Zone | 35 m in singlemode |
| Display | 7-inch outdoor-enhanced touchscreen |
| Battery Life | Up to 12 hours |
| Live Testing | 1650 nm in-service testing through the same OTDR port |
| Connector | Swap-Out connector, field-replaceable |
| Optional Functions | iOLM-ready, in-line GPON/XGS-PON power meter, VFL, power checker, USB tools, FIP-400B inspection scope |
Share your fiber type, splitter ratio, live-fiber requirement, application scenario, destination country, and quantity. We can help confirm whether the 720D fits your access network workflow or suggest stronger alternatives when needed.
Purpose-built for access network construction, troubleshooting, and everyday field testing.
Available in SM and quad SM/MM versions to cover broader field and enterprise access scenarios.
Supports live and dark fiber characterization through the same OTDR port, including 1650 nm in-service testing.
Suitable for testing through splitters up to 1×32 and supports GPON, EPON, XGS-PON, and 10GE EPON activation scenarios.
Short dead zones help resolve closely spaced events such as patchcords, patch panels, and dense access links.
Field-replaceable connector design helps maintain optical performance without unnecessary downtime.
The 720D is designed for access network construction, troubleshooting, and everyday OTDR field testing, especially in FTTx and PON environments.
Yes. According to the EXFO spec sheet, singlemode and quad SM/MM versions are available.
Yes. The 720D supports 1650 nm in-service testing and can characterize live and dark fiber through the same OTDR port.
Yes. It is suitable for FTTx/PON testing through splitters up to 1×32 and for service activation workflows such as GPON, EPON, XGS-PON, and 10GE EPON.
The official EXFO spec sheet lists dynamic range up to 36 dB in singlemode and 29 dB in multimode, with EDZ/ADZ of 0.7/2.5 m in SM and 0.5/2 m in MM.