The Laser Precision TD1000A is an optical time domain reflectometer (OTDR) engineered for comprehensive testing and analysis of optical fiber networks. It detects backscattered light, measures fiber attenuation, evaluates splice and connector joints, and precisely locates faults within optical fibers. Designed as a portable instrument with capabilities comparable to mainframe OTDRs, the TD1000A serves FTTH, CATV, and LAN network deployments.
Technical Specifications
Fiber Support
• Singlemode: 9/125 µm
• Multimode: 62.5/125 µm
Wavelengths (Singlemode)
• 1310 nm ±20 nm
• 1550 nm ±20 nm
• Maximum spectral width: ≤20 nm
Distance Measurement
• Range options: 1.2 km, 4 km, 9 km, 20 km, 40 km, 81 km, 164 km
• Data resolution: 0.313 m to 20 m (depending on range)
• Distance accuracy: 0.0025% × distance + distance resolution
Dynamic Performance
• Dynamic range (SNR=1) at 1310 nm: 30.5 dB
• Dynamic range (SNR=1) at 1550 nm: 27.5 dB
• Vertical linearity: ±0.1 dB/dB to within 8 dB of 98% noise floor
• Initial reflective deadzone (1310/1550 nm): 3 m
• Initial non-reflective deadzone (1310/1550 nm): 15 m
Display & Storage
• 7-inch diagonal LCD with backlight
• Real-time update: 2/sec (fast mode)
• Data storage: 1.44 MB floppy drive
– Key Features
Integrated Power Meter
• Measurement range: -65 dBm to 10 dBm
Integrated Light Source
• Operating modes: CW, 1 kHz, 2 kHz
• Wavelengths: 1310 nm and 1550 nm
• Output power: -10 dBm
• Stability: 0.2 dB @ 8 hrs
Connectors
• Universal connector interface with ST connector
– Environmental & Operating Conditions
• Operating temperature: 0 °C to 40 °C
• Storage temperature: -20 °C to +60 °C
• Maximum operating altitude: 5,000 ft
– Typical Applications
The TD1000A supports field installation, maintenance, and troubleshooting of single-mode fiber networks in broadband delivery, cable television, and enterprise LAN environments.
