ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
TECHNICAL SPECIFICATIONS
Display: 7-in (178-mm) outdoor-enhanced touchscreen, 800 × 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, 9-16 V DCIN 15 Watts minimum
Wavelength (nm): 1310 ± 30/1550 ± 30/1650 ± 15
Live wavelength (nm): 1650; Isolation: 50 dB from 1265 nm to 1617 nm
Dynamic range (dB): 32/30/30
Event dead zone (m): 0.9
Attenuation dead zone (m) : 3.6
Distance range (km): 0.1 to 200
Pulse width (ns) :3 to 20 000
Linearity (dB/dB) :±0.05
Loss threshold (dB) :0.01
Loss resolution (dB): 0.001
Sampling resolution (m) :0.04 to 5
Sampling points :Up to 256 000
Distance uncertainty (m) : ±(0.75 + 0.005 % × distance + sampling resolution)
Measurement time: User-defined
Reflectance accuracy (dB) :±2
Typical real-time refresh (Hz): 3
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) : 1270, 1290, 1310, 1330, 1350, 1370, 1390, 1410, 1430, 1450, 1470, 1490,
1510, 1530, 1550, 1570, 1577, 1590, 1610, 1625, 1650
Tone detection: CW, 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
