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EXFO PXM/LXM

Duplex and Multi-fiber OLTS | 12 / 24 Fiber Testing

The EXFO PXM/LXM Duplex and Multi-fiber OLTS performs fiber testing with 12 or 24 fibers. This device has a PXM wavelength measurement range 850 - 1550nm and a LMX wavelength of 1310/1550 ± 20dBm. This device is used for AI supercomputer clusters, hyperscaler data centers, enterprise, and private networks.

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PXM Power Meter Specifications
Optical connector	Standard: Contractless MPO-12, male (pinned), supporting both APC and UPC. Connector with protective shutter. P12/P24 models: Click-Out adapter interface (pinned & unpinned)
Detector type	InGaAs
Power measurement range	5... -45dBm
Power uncertainty	±0.35dB
Linearity	±0.1dB
Display resolution	0.01dB
Wavelength measurement range	850 - 1550nm
Calibrated wavelengths	850, 1300, 1310, 1550nm
Tone detection	270Hz, 330Hz, 1kHz, 2kHz
Auto-wavelength recognition and switching	Yes
Length measurement	Up to 25km depending on conditions with singlemode and 1km with multimode
Warm up time	0s
Storage capacity	10,000 measurements at two wavelengths

LXM Light Source Specifications (LXM-SM1, Singlemode)
Optical connector	Standard: APC MPO-12 male (pinned). Connector with protective shutter. P12/P24 models: Click-Out adapter interface
Emitter type	Laser
Wavelength	1310 ± 20dBm 1550 ± 20dBm
Output power	≥-13/≥-13dBm
Stability	±0.1dB
Warmup time	15min
Tone generation	270Hz, 330Hz, 1kHz, 2kHz

In-Line VFL Specifications (Included on each LXM light source)
Laser type	635 ± 10nm
Modulation	CW, 1Hz, 4Hz
Typical power output	≤0.4mW

Supports native duplex and 8/12/16/24 fiber-based testing
Supports 32 and 48 fibers using loopback or dual test set methods
Click-out adapters compatible with duplex MDC, SN, LC as well as MPO, SYSTIMAX MTP and MMC
Leading FasTest™ performance: test duplex and multi-fiber cables at 2 wavelengths in just 1 second
Dual wavelength on light source (850/1300nm or 1310/1550nm)
Insertion loss measurement
Polarity type validation (duplex and multi-fiber)
Up to 25km in length measurement
On-board certification standards with dynamic loss calculator
In-line visual fault locator (VFL) for fiber tracing on source (LXM)
Comprehensive results combined on one page
4-inch color touchscreen
3-year calibration interval
Complies with one-cord reference method
Test results upload and real-time job progress visibility via EXFO Exchange