Moca Interface Specifications; Mac Rate For Phy Rates For 2-Node Network - Alcatel-Lucent 7302 Information Manual

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MoCA interface specifications

The following technical specifications apply to MoCA ONTs:

RF interface connector: F-type with 75 Ω impedance

MoCA 1.0 and 1.1 compliant

Network center frequency: 1 000 MHz

MAC throughput (MAC rate) is the maximum rate at which Ethernet packets can be

forwarded across the MoCA network while maintaining a PER of 10

lists minimum MAC rates for the specified maximum PHY rates, for MoCA v1.0 and

v1.1. This applies for flat channels between two intermediate devices with 100 Mb/s

or 1 Gb/s Ethernet PHY interface in a two-node MoCA network, with 1518-byte

PHY rate (Mb/s)

MAC rates are aggregate (half traffic in one direction, and half in the opposite direction) and assume a 1518-byte

maximum frame size.

For MoCA v1.0 with less than 1518-byte frame size, the minimum aggregate MAC rate is 9500 packets/s.

For MoCA v1.1, packet aggregation allows a minimum MAC rate of 20 000 packets/s for 800-byte frames.

Maximum PHY rate is approximately 275 Mb/s when connected devices support optional QAM-256; otherwise the

maximum PHY rate is approximately 250 Mb/s when using QAM-128.

The nominal transmit output power for MoCA ONTs is as follows:

For Package B MoCA ONTs, the nominal transmit output power will be the

values programmed via TL1 (range 0 to -30 dBm).

For Package A MoCA ONTs, Table

variance for the values programmed via TL1.

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3 — ONT and MDU general and interface technical specifications

MoCA ONTs only support MoCA v1.1 when connected to

nodes that support MoCA v1.1. They revert to MoCA v1.0 if

connected to nodes that only support MoCA v1.0.

Table 3-12 MAC rate for PHY rates for 2-node network

Minimum MAC rate (Mb/s) per PHY rate

not specified

lists the nominal transmit output power

November 2013