Toshiba PCX1100 - DOCSIS Cable Modem, Owner'S Manual

13 

Specifications 

The Toshiba DOCSIS Cable Modem is DOCSIS /MCNS compliant. 

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: 

-15dBmV to +15dBmV 

Input impedance: 

75 ohms   

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) 

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: 

Approx. 8 W (Typ. : not include AC adapter) 

Mechanical 

Size: 

Approx. 1.96 in. (width) x 8.07 in. (depth) x 5.96 in. (height) 

Weight: 

Approx. 2.1 lb 

Environmental 

Operating 
temperature: 

32 to 104 degrees Fahrenheit 

Humidity: 

10 to 90 percent (non-condensing) 

Storage temperature:  -4 to 140 degrees Fahrenheit 
Safety: 

UL1310, UL1950 

Emission: 

FCC part 15, class B 

Accessory:  

AC Adapter