Table 8 Device Hardware Specifications (continued)
Symbol Rates | 5.057 Msym/s for 64 QAM |
| 5.361 Msym/s for 256 QAM |
|
|
Operating Level | |
|
|
UPSTREAM CHANNEL |
|
|
|
Frequency Range | 5 to 42 Mhz |
|
|
Bandwidth | 200 Khz/400 Khz/800 Khz |
| 1.6 Mhz/3.2 Mhz/6.4* Mhz |
|
|
Output Impedance | 75 ohms (nominal) |
|
|
Modulation | 8*/16/32*/64*/128* QAM or QPSK |
|
|
Maximum Data Rate | 30 Mbps |
|
|
Symbol Rates | 160, 320, 640, 1280, 2560 and 5120* Ksym/s |
|
|
Operating Level | TDMA: |
| +8 to +54 dBmV (32 QAM, 64QAM) |
| +8 to +55 dBmV (8 QAM, 16QAM) |
| +8 to +58 dBmV (QPSK) |
| |
| +8 to +53 dBmV (all modulation types) |
|
|
63 | Appendix A |