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Cable Modem
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mcns docsis
ethernet 10baset cpe interface/usb fast, easy installation,
and user site equipment
snmp remote management static ip or dhcp ip address request enabling efficient
management of ip allocations
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specification
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downstream |
upstream |
| 1.demodulation/modulation |
64qam / 256qam |
qpsk / 16qam |
| 2.physical speed |
max.30mbps(64qam)
/40mbps(256qam) |
max.5120mbps(qpsk)
/10240mbps(16qam) |
| 3.error correction |
reed solomon/trellis decorder |
reed solomon |
| 4.frequency range |
91mhz to 857mhz agile |
5mhz to 42mhz agile. in 1hz steps |
| 5.bandwidth |
6mhz |
200, 400, 800, 1600, 3200 khz |
| 6.input signal level |
-15dbmv to +15dbmv |
8dbmv to +58dbmv(qpsk)
8dbmv to +55dbmv(16qam) |
| 7.snmp management |
mib group
: mib ii, mcns mib
ul1310, ul1950
dte : ieee802.3 / 10base-t & usb / cable : f type, 75ohm |
| 8.safety |
| 9.intergace |
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