A.8.3 Non-channel-specific interface signals

In addition to the per-channel signals described in A.8.2 Per-channel interface signals, every transmit and receive link layer interface includes additional signals that exist only at the interface level and are not channel specific.

The following table shows the Receive LinkActive interface signals.

Table A-37 Receive LinkActive interface signals

Signal Type Description Connection information
RXLINKACTIVEREQ Input Receive channel LinkActive request from adjacent transmitter device Connect to TXLINKACTIVEREQ of the corresponding CHI device, if populated, otherwise tie LOW
RXLINKACTIVEACK Output Receive channel LinkActive acknowledgment to adjacent transmitter device Connect to TXLINKACTIVEACK of the corresponding CHI device, if populated

The following table shows the Transmit LinkActive interface signals.

Table A-38 Transmit LinkActive interface signals

Signal Type Description Connection information
TXLINKACTIVEREQ Output Transmit channel LinkActive request from adjacent receiver device Connect to RXLINKACTIVEREQ of the corresponding CHI device, if populated
TXLINKACTIVEACK Input Transmit channel LinkActive acknowledgment to adjacent receiver device Connect to RXLINKACTIVEACK of the corresponding CHI device, if populated, otherwise tie LOW

The following table shows the Receive LinkActive interface signals in configurations with optional DSSBs.

Table A-39 Receive LinkActive interface signals with optional DSSBs

Signal Type Description Connection information
RXLINKACTIVEREQ Input Receive channel LinkActive request from adjacent transmitter device Connect to TXLINKACTIVEREQ of the corresponding CHI device, if populated, otherwise tie LOW
RXLINKACTIVEACK Output Receive channel LinkActive acknowledgment to adjacent transmitter device Connect to TXLINKACTIVEACK of the corresponding CHI device, if populated
RXLINKACTIVEDENY Output Receive channel LinkActive deny to adjacent receiver device Connect to TXLINKACTIVEDENY of the corresponding DSSB

The following table shows the Transmit LinkActive interface signals in configurations with optional DSSBs.

Table A-40 Transmit LinkActive interface signals with optional DSSBs

Signal Type Description Connection information
TXLINKACTIVEREQ Output Transmit channel LinkActive request from adjacent receiver device Connect to RXLINKACTIVEREQ of the corresponding CHI device, if populated
TXLINKACTIVEACK Input Transmit channel LinkActive acknowledgment to adjacent receiver device Connect to RXLINKACTIVEACK of the corresponding CHI device, if populated, otherwise tie LOW
TXLINKACTIVEDENY Input Transmit channel LinkActive deny to adjacent receiver device Connect to RXLINKACTIVEDENY of the corresponding DSSB

The following table shows the SACTIVE interface signals.

Table A-41 SACTIVE interface signals

Signal Type Description Connection information
RXSACTIVE Input Indication from the adjacent CHI device that it has one or more outstanding protocol-layer transactions. RXSACTIVE remains asserted throughout the lifetime of the transactions as interpreted by the adjacent CHI device. Connect to TXSACTIVE of the corresponding CHI device, if populated, otherwise tie LOW
TXSACTIVE Output Indication to the adjacent CHI device that the CCN-502 has one or more outstanding protocol-layer transactions. TXSACTIVE remains asserted throughout the lifetime of the transactions as interpreted by the CCN-502. Connect to RXSACTIVE of the corresponding CHI device, if populated
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