ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
TECHNICAL SPECIFICATIONS
Display: 7-in (178-mm) outdoor-enhanced touchscreen, 800 x 480 TFT
Interfaces: Two USB 2.0 ports; RJ45 LAN 10/100 Mbit/s
Storage: 2 GB internal memory (20 000 OTDR traces, typical)
Batteries: Rechargeable lithium-polymer battery; 12 hours of operation as per Telcordia (Bellcore) TR-NWT-001138
Power supply: Power supply AC/DC adapter, input 100-240 VAC, 50-60 Hz
Wavelength (nm) : 1310 ± 20/1550 ± 20/1625 ± 10/1650 ± 15
Live wavelength (nm): 1650; Isolation: 50 dB from 1265 nm to 1617 nm
Dynamic range (dB) : 39/38/39/39
Event dead zone (m) : 0.5
Attenuation dead zone (m) : 2.2
PON dead zone (m) : 30
Distance range (km): 0.1 to 400
Pulse width (ns): 3 to 20 000
Linearity (dB/dB): ±0.03
Loss threshold (dB): 0.01
Loss resolution (dB): 0.001
Sampling resolution (m): 0.04 to 10
Sampling points: Up to 256 000
Distance uncertainty (m) : ±(0.75 + 0.0025 % x distance + sampling resolution)
Measurement time: User-defined
Reflectance accuracy (dB) : ±2
Typical real-time refresh (Hz): 4
IN-LINE POWER CHECKER
Power range (dBm): –60 to 23
Power uncertainty (dB) : ±0.5
Calibrated wavelengths (nm): 1310, 1490, 1550, 1625, 1650
Selectable wavelengths (nm): 1310, 1490, 1550, 1577, 1625, 1650
Tone detection: 270 Hz/330 Hz/1 kHz/2 kHz
TECHNICAL SPECIFICATIONS (in-line PON power meter with OPM2 in option)
Power range (dBm): –60 to 23
PON power meter (nm): Two channels: 1490/1550 and 1490/1577
Power uncertainty (dB): ±0.5
Calibrated wavelengths (nm): 1310, 1490, 1550, 1625, 1650
Selectable wavelengths (nm): 1310, 1490, 1550, 1577, 1625, 1650, 1490/1550, 1490/1577
