Epygi Quadro2x Administrator's Manual page 67

Quadro Baseline
The ISDN Trunk Status page provides information about the selected
trunk state:
Link displays the ISDN link state: up or down.
Frame Synchronization displays the signal synchronization state in the
trunk: Yes or No.
HDLC Receive shows the number of packets received in HDLC (High-
level Data Link Control) format.
HDLC CRC Error shows the number of packets received with CRC
(Cyclical Redundancy Check) errors.
HDLC Packet Abort displays the number of received aborted packets.
HDLC Transmit displays the number of packets transmitted in HDLC
format.
HDLC Octet Count displays the number of error packets received in
HDLC format.
The following SDN BRI Layer 2 statistics are displayed for received and
transmitted packets:
TEI value shows the actual TEI value.
L2 State shows the actual BRI L2 state.
Information Frame shows the number of signaling packets for call
initiation and termination.
Receive Ready displays the number of controlling packets while the
ISDN link is up.
Receive Not Ready displays the number of controlling packets in case
of inability to accept calls by destination.
SABME shows the number of packets upon connection establishment.
Disconnected Mode shows the number of packets when the
connection is being disconnected.
Disconnect shows the number of packets upon connection termination.
Unnumbered Acknowledgement shows the number of packets upon
accepting connection establishment/termination.
Framer shows the number of packets as a result of an error condition.
TEI Request shows the number of packets containing TEI (Terminal
Endpoint Identifier) to initiate subscription of the device in the network.
Unnumbered Information Frame shows the number of broadcast
signaling packets received for call initiation and termination.
Exchange Identification shows the number of received packets
containing connection management settings.
ISDN BRI Layer 2 Errors statistics:
Incorrect Length shows the number of packets with an incorrect length.
Bad Supervisory Frame shows the number of packets with an incorrect supervisory header.
Bad Unnumbered Information Frame shows the number of packets with an incorrect unnumbered information frame header.
Bad Frame Type shows the number of packets with a bad frame type.
Bad Unnumbered Frame shows the number of packets with an incorrect unnumbered acknowledgement frame header.
Foreign TEI Value shows the number of packets with a bad or foreign TEI (Terminal Endpoint Identifier) value.
ISDN BRI Layer 3 statistics:
Active Calls shows the number of currently active calls in the selected trunk.
Outgoing Calls shows the number of all outgoing calls in the selected trunk.
Incoming Calls shows the number of all incoming calls in the selected trunk.
ISDN trunk statistics are not displayed on this page at first, but the page is automatically refreshed every 10 minutes. Statistics collected from that
time, as well as the last resetting of the counter, will be displayed there. System Uptime, Current System Time and Last Time Cleared (last time
ISDN statistics has been cleared) are displayed at the bottom of the page. To reset the statistics counters press the Clear button.
Quadro2x, Quadro2xi; SW Version 4.0.x
Quadro2x Manual II: Administrator's Guide – Administrator's Graphical User Interface
Fig. II-119: ISDN Trunk Status page
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