AIOPAD Service Signals

The following are the AIOPAD service signals and their meanings.

RESET xxx

Indicates that a reset has occurred. xxx can be any one of the following:

• DTE: The host has sent a reset packet.
• ERR: A reset packet was sent due to a local procedure error.
• NC: The reset was due to network congestion.
• RPE: The reset was due to a remote procedure error.

CLR

Clearing has occurred. AIOPAD supports the following clear indication service signals:

• OCC: The remote DTE is busy.
• NC: The network is congested.
• INV: An invalid facility request was received.
• NA: Access is barred.
• ERR: A local procedure error occurred.
• RPE: A remote procedure error occurred.
• NP: No such number is obtainable.
• DER: The remote DTE is out of order.
• PAD: The call was cleared by the local PAD after receipt of an invitation to clear a packet from a remote PAD.
• DTE: The remote DTE has cleared the call.
• RNA: Reverse charging was not accepted.
• CONF: Clearing is confirmed.

COM

A connection has been established.

ERR

An error occurred in a command.

ENGAGED

The virtual port is currently connected.

FREE

The virtual port is not connected.