Specifications – Toshiba DAZ8820F PCX2000 User Manual

Page 15

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13

Specifications

The Toshiba DOCSIS Cable Modem is DOCSIS/MCNS compliant.
RF Interface
Receiver
Physical Speed:

30 Mbps (64QAM) / 43 Mbps (256QAM)

Symbol rate:

5.056941 Msym/sec (64QAM)

5.360537 Msym/sec (256QAM)
Demodulation:

64QAM / 256QAM

Bandwidth: 6

MHz

Frequency range:

88 MHz to 860 MHz (edge-to-edge) in 62.5 kHz steps

Input signal level:

-15 dBmV to +15 dBmV

Input impedance:

75 ohms

Input Return loss:

> 6 dB from 88 MHz to 860 MHz

Transmitter
Physical Speed:

320,640,1280,2560,5120Kbps(QPSK)

640,1280,2560,5120,10240Kbps(16QAM)
Symbol rate:

160, 320, 640, 1280, 2560 ksym/sec

Modulation:

QPSK / 16QAM

Bandwidth:

200, 400, 800, 1600, 3200 kHz

Frequency range:

5 to 42 MHz (edge-to-edge), in 1Hz steps

Output signal level:

8 dBmV to 58 dBmV (QPSK)

8 dBmV to 55 dBmV (16QAM)

Output impedance:

75 ohms

Output Return loss:

> 6 dB from 5 MHz to 42 MHz

PC Interface
10BASE-T: 10Mbps;

half-duplex

USB: 12Mbps
Power
AC adapter input:

120VAC @ 60Hz

AC adapter output
to cable modem:

12VDC @1A

AC Power
consumption: 7

W

(approximately)

Mechanical
Size:

1.89 in. (width) x 8.39 in. (depth) x 6.22 in. (height)

(not include stand)
Weight:

1.1 lb (approximately)

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