User's Manual

DCM-604 Series Cable Modem

User’s Manual

Table 4. RF Upstream Specification (for EuroDOCSIS system)

Parameter Value

Frequency Range

5 MHz to 65 MHz

Modulation QPSK, 8QAM, 16QAM, 32QAM, 64QAM, 128QAM

(TCM only)

Symbol Rate TDMA: 160K, 320K, 640K, 1280K, 2560K,

5120Ksym/sec

S-CDMA: 1280K, 2560K, 5120Ksym/sec

Bandwidth

TDMA

: 200K, 400K, 800K, 1600K, 3200K, 6400KHz

S-CDMA: 1600K, 3200K, 6400KHz

Output power TDMA QPSK: 8 ~ 58 dBmV

8/16QAM: 8 ~ 55 dBmV

32/64QAM: 8 ~ 54 dBmV

S-CDMA QPSK, 8/16/32/64/128QAM: 8 ~ 53 dBmV

Output

Impedance

75 Ohms

Table 5. Electrical Specification

Parameter Measured Value Notes

Input Voltage 15VDC/1A

Power consumption < 9.5W With AC adaptor

Table 6. Physical Specification

Parameter Value

Size 155 mm (L) x 37mm(W) x 260 mm (H)

Weight 360g +/- 10g (Modem only)

Table 7. Environmental Specification

Parameter Value

Operating Temperature 0 °C to +40 °C

Operating Relative Humidity 10% to 90% (Non-condensing)

Operating Altitude -100 to +7,000 feet

Storage Temperature -10 °C to +60 °C

This document is subject to change without notice.