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1-Port DOCSIS Mini-Physical Interface Module Network Interface Specifications

 

Table 1 provides the network interface properties of the Data over Cable System Interface Specifications Mini-Physical Interface Module (1-Port DOCSIS Mini-PIM).

Table 1: 1-Port DOCSIS Mini-PIM Network Interface Properties

Specifications

Downstream

Upstream

Modulation

64 or 256 quadrature amplitude modulation (QAM)

Quadrature Phase Shift Keying (QPSK) and 8, 16, 32, 64, 128 QAM

Bandwidth

6 MHz (US)

200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, 6.4 MHz

Symbol rate

64 QAM 5.057 Msym/s, 256 QAM 5.361 Msym/s

160, 320, 640, 1280, 2560, and 5120 ksym/s

Operating level range

-15 to +15 dBmV

A-TDMA +8 to +54 dBmV (32 QAM, 64 QAM); +8 to +55 dBmV (8 QAM, 16 QAM); +8 to +58 dBmV (QPSK); S-CDMA +8 to +53 dBmV (all modulations)

Input impedance

75Ω (nominal)

75Ω (nominal)

Frequency range

108 to 1002 MHz (edge to edge)

5 to 42 MHz (US)

Channel bonding

Up to 4 channels

Up to 4 channels