Specifications

34 Rapier Series Switch
C613-03020-00 REV J
The AT-AR024 ASYN4 PIC does not have LEDs.
Common problems and how to solve them
Link/Activity LED on any port is off
This can indicate:
■ A loose data cable.
■ The device at the other end of the connection is not working properly or is
turned off.
■ The data cable is not wired correctly.
■ The network administrator has manually disabled the port through the
software.
■ The port’s selected transmission mode does not match that of the attached
device.
Table 25: PIC LEDs (AT-AR023 SYN)
LED Function
Tx Lit when data is being transmitted over the synchronous interface.
Rx Lit when data is being received over the synchronous interface.
Table 26: AT-AR026 4ETH PIC LED functions (Two LEDs per port)
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 27: AT-AR027 VoIP-FXS PIC LED functions
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