Appendix A
Specifications
Downstream
Modulation | 64 QAM or 256 QAM |
Data rate | 38 Mbps maximum (limited by such factors as customer provider |
| equipment (CPE) and service provider restrictions) |
Frequency | 88 MHz to 860 MHz (30 kHz minimum step size) |
Bandwidth | 6 MHz |
Symbol rate: |
|
64 QAM | 5.069 Msym/s maximum |
256 QAM | 5.361 Msym/s maximum |
Operating level | |
Input impedance | 75 ohms nominal |
Upstream
Modulation | 16 QAM or QPSK (variable symbol rates) |
Transmission rate | 30 Mbps maximum |
Bandwidth | 200 kHz to 3200 kHz |
Frequency | 5 MHz to 42 MHz (edge to edge) |
Symbol rates | 160, 320, 640, 1280, and 2560 ksym/s |
Operating levels: |
|
16 QAM | +8 dBmV to +55 dBmV |
QPSK | +8 dBmV to +53 dBmV |
Output impedance | 75 ohms nominal |
General
Data protocol | TCP/IP |
Interface to PC | Ethernet |
Power | Approximately 9 Watts (+12VDC) |
Power adapter input | North America: |
| 105 to 125 Vac, 60 Hz |
| International: |
| 100 to 240 Vac, 50 to 60 Hz |
Dimensions | 6.2” H x 2.3” W x 6.0” L |
Operating temperature | 0 to +40º C |
Storage temperature | |
Operating humidity | 0% to 95% RH, |
