Cable Modem
Radio frequency specifications:1) Common:A) Input impedance: 75 ohmB) Connector: F-type connector, female2) Downstream:A) Euro DOCSISI) Frequency range: 108-862MHz (edge to edge)Ii) Bandwidth: 8MHzIii) Operating level: -17dBmV-+13dBmV at 64QAM or -13dBmV-+17dBmVAt 256QAMIv) Modulation: 64QAM/256QAMV) Symbol rate: 6.952Msym/s at 64QAM & 256QAMB) DOCSISI) Frequency range: 88-860MHz (edge to edge)Ii) Bandwidth: 6MHzIii) Operating level: -15dBmV-+15dBmVIv) Modulation: 64QAM/256QAMV) Symbol rate: 5.056941Msym/s at 64QAM / 5.360537Msym/s at256QAM3) Upstream descriptionA) Euro DOCSISI) Frequency range: 5-65MHz (edge to edge)Ii) Bandwidth:Iii) TDMA: 200, 400, 800, 1600, 3200 and 6400kHzIv) S-CDMA: 1600, 3200 and 6400kHzV) Modulation: QPSK, 8QAM, 16QAM, 32QAM, 64QAM, and 128QAMVi) Symbol rate (TDMA): 160, 320, 640, 1280, 2560 and5120kSymb/sVii) Symbol rate (S-CDMA): 1280, 2560 and 5120kSymb/sViii) Operating level (TDMA): +8 to +54dBmV (32QAM, 64QAM) / +8 to +55dBmV (8QAM, 16QAM) / +8 to +58dBmV (QPSK)Ix) Operating level (S-CDMA): +8 to +53dBmV (all modulations of S-CDMA)B) DOCSISI) Frequency range: 5-42MHz (edge to edge)Ii) Bandwidth (TDMA): 200, 400, 800, 1600, 3200 and 6400kHzIii) Bandwidth (S-CDMA): 1600, 3200 and 6400kHzIv) Modulation: QPSK, 8QAM, 16QAM, 32QAM, 64QAM, and 128QAMV) Symbol rate (TDMA): 160, 320, 640, 1280, 2560 and 5120kSymb/sVi) Symbol rate (S-CDMA): 1280, 2560 and 5120kSymb/sVii) Operating level (TDMA): +8 to +54dBmV (32QAM, 64QAM) / +8 to +55dBmV (8QAM, 16QAM) / +8 to +58dBmV (QPSK)Viii) Operating level (S-CDMA: +8 to +53dBmV (all modulations of S-CDMA)
