Toshiba Complete Specifications for the PCX2500 Cable Modem

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 (inches):	1.4+/-0.1 (width) x 6.5+/-0.1 (height) x 5.7+/-0.1 (depth)
	(not includes the stand)
Weight (lbs):	1.1 (approximately, not includes the AC adapter)

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