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Hardware Reference 19
C613-03022-00 REV K
Table 9: AT-AR023 SYN PIC LEDs
LED Function
Tx Lit when data is being transmitted over the synchronous interface.
Rx Lit when data is being received on the synchronous interface.
Table 10: AT-AR026 4ETH PIC LEDs
LED Function
Left Lit when the port is operating at 100Mbps and full duplex.
Right Lit when a link has been established. Flashing when data is being
transmitted through the port.
Table 11: AT-AR027 VoIP-FXS PIC LEDs
LED State Function
Off Hook/Ring Off The port is on-hook.
Green The port is off-hook.
Flashing An incoming call is present on the port.
PIC Reg Off The PIC is not registered with a gatekeeper and external
phone calls cannot be made.
Flashing The PIC is registered with a gatekeeper or gatekeeper
has been set to “None”. External calls can only be made
if the PIC is registered with a gatekeeper.
PIC Error
Off The PIC is okay.
Green An internal error has occurred. Reset the PIC using the
reset voip command.