3One data 277/A Panduan Pengguna - Halaman 3
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Halaman CetakRS-232:
RS-232:
RS-232:
MODEL277/A RS-232 port is DB9 female.
2 2 2
RS-232 output (TXD)
3 3 3
RS-232 input (RXD)
5 5 5
Signal ground (GND)
LED
indications:
LED
LED indications:
indications:
Power
Power
Power
Green, Power supply indication
On: power joined; Off: no power connect
RxD
RxD
RxD
Green light, optic fiber interface receive
data point out and concurrently mere port
report an emergency and ask for help or
increased vigilance, on: There are data that
are received; Off: Have data receive
TxD
Green light, optic fiber interface send
TxD
TxD
datum instruct
On: Have data send; Off: no data send
Specifications:
Specifications:
Specifications:
Standards: EIA RS-232C standard
Transfer rate: 0~120Kbps, auto test serial signal rate detect signal
Transfer distance: RS-232 side: no less than 5m
Fiber connector: 2×SC, 2×ST, 2×FC optional
Wavelength:1310nm
Fiber optic cables: Single Mode:8.3/125,8.7/125,9/125 or 10/125
um
600W surge protection;1500W static protection
Power input: +5VDC power supply input
Dimensions: 94.0mm×71mm×26.0mm
Operating temp: -25°C to70°C
speed automatically, zero delay time,
Fiber optic:20,25,40,60,80,100,120km(SM),
2,5 km(MM) optional
Muti-Mode:50/125,62.5/125 or 100/125 um
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