OSD481A/OSD483A CATV/MATV Modem Pair | 宜大電線有限公司

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OSD481A-OSD483A

★★★★商品說明★★★★

OSD481A TRANSMITTER
Electrical Interface 90dBuV/channel nominal, channels to be within ± 1.0dB of each other
Input Level Control User adjustable over 15dB range in 1dB increments
Transmission Bandwidth 30MHz - 900MHz ± 1dB
Optical Wavelength 1310 ± 20nm
Optical Output Level >3.0dBm with grade 1 laser
> 8.0dBm with grade 2 laser
> 10.5dBm with grade 3 laser
Channel Loading 60 PAL-B channels (4% typical modulation index)
Indicators and Power
Alarm Contacts RF signal present
Laser alarm

★★★★使用操作說明★★★★

OSD483A RECEIVER
Operating Wavelength 1250 – 1600nm
Output Level 90dBuV nominal/channel, output attenuator set to minimum, 4% modulation index,
-5dBm optical input level
Receiver Bandwidth 30 - 860MHz ± 2dB (in conjunction with OSD481A)
Output Level Control User adjustable over 15dB range in 1dB increments
Carrier to Noise Ratio >53dB at a receive power level of -2dBm with 60 PAL-B channels from a
OSD481/G3 transmitter
Receive Saturation >2dBm
Indicators and Power
Alarm Contacts Optical power present
RF signal present