Chapter 1 Getting Started
© Polycom, Inc. 15 ViewStation FX/VS 4000 User’s Guide
If you are using an external CSU (North America T1 only), connect
an RJ-45 cable from the CPE/equipment side of the CSU to the PRI
network interface module.
LED Activity on the Network Interface Module
PLINK Side Connecting to the ViewStation FX or VS4000
The following LED activity (see Figure 1-3) can be observed while
the PRI network module is being updated.
Caution During the update, do not reboot the system or detach any cable.
1. The amber LED stays lit for approximately 90 seconds or more,
while the data is being transferred to the PRI network module.
2. The amber and green LEDs come on and stay on for a few
seconds, while the module is being updated.
3. Then, the amber LED goes off and the green LED goes on. The
PRI is booted and now running.
Network Side Connecting to the ISDN PRI Network
The following LED activity (see Figure 1-4) can be observed once
the PRI update is completed:
T1 E1
1. The red LED is on briefly. 1. The red LED is on briefly.
2. The yellow LED goes on
briefly.
2. A solid green LED means that
the system is synchronized with
the network and fully
operational.
3. The green LED goes on. A
solid green LED means that the
system is synchronized with the
network and fully operational.
Note: If the green LED light does
not light, check the PRI line
connection.
Note: The LED is turned on only
when there are network
problems.
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