Polycom ViewStation FX User Manual page 202

Appendix D
ViewStation FX/VS 4000 User's Guide
T1 PRI Network Interface Module
The various LEDs indicate the following:
T1 PRI Network Interface Module
Blinking red LED
Solid red LED
Solid yellow LED
Solid green LED
E1 PRI Network Interface Module
The various LEDs indicate the following:
E1 PRI Network Interface Module
Blinking red LED
Solid red LED
Either the network cable is not
connected, or the upstream
switch or PBX port is
deactivated, that is, there is no
energy on the line.
The network cable is connected
and has energy on the line.
However, there is no clock sync.
The PRI network interface
module is receiving clock and
frame sync and waiting for a
timer to elapse. If the clock and
frame sync is lost before the
timer elapses, the yellow LED
goes out and a solid red LED is
displayed.
The ViewStation FX or VS4000
is fully synchronized with the
network and is ready to use.
Either the network cable is not
connected, or the upstream
switch or PBX port is
deactivated, that is, there is no
energy on the line.
The network cable is connected
and has energy on the line.
However, there is no clock sync.
188
PRI Technical Notes
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