Allied Telesis AT-VIEW PLUS 3.0 DEVICE MANAGEMENT - Manual (Page 249)

Allied Telesyn AT-VIEW PLUS
DEVICE MANAGEMENT
Device Manager LEDs for AT-AR021(S) and AT-AR021(U)
LED State Description
B1 and B2 Green
Gray
For permanent circuits, HDLC packets are being exchanged
between the switch or router and another end system device
(normally another switch or router) over any of the B channel.
For on-demand ISDN, there is a call up over the respective B-
channel.
No packet/data transmission over B-channel.
AT-AR022
Note - There are no LEDs on this PIC.
AT-AR023
Note - There are no LEDs on this PIC.
AT-AR024
Note - There are no LEDs on this PIC.
AT-AR026
Device Manager LEDs for AT-AR026
LED State Description
DUPLEX Green The port is operating at full-duplex.
PN 613-50665 Rev A Page 249 of 257