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1
Introduction to the Sylantro Communications System
1-8 Sylantro 24-Port Adapter Installation Guide
Understanding the LEDs
Both adapters have Ethernet status LEDs, system status LEDs, and port activity
LEDs on the front of the chassis. The port activity LEDs are labeled according to
their port numbers and go on whenever the attached telephone goes off hook.
Table 1-1 describes the Ethernet status LEDs.
Table 1-2 describes the red, yellow, and green (left to right) system status LEDs.
Adapter Software
The adapter runs the VxWorks™ real-time operating system. Communication
between the adapter and the control server is handled using media gateway control
protocol (MGCP). Voice traffic is transmitted to and from a media gateway using
real-time protocol (RTP).
After the adapter is powered on and assigned an IP address, the adapter
configuration is downloaded automatically from the Sylantro Control Server located
on the service provider network. Minimal local configuration of the adapter is
required.
Table 1-1
Ethernet Status LEDs
LED
LED Status
Description
Tx
Flashing
Packet being transmitted.
Off
No packet being transmitted.
LNK
On
Ethernet connection is established.
Rx
Flashing
Packet being received.
Off
No packet being received.
Table 1-2
System Status LEDs
Red
Yellow
Green
Description
On
On
On
Initial power on.
On
On
Off
Boot code and diagnostics running.
Off
On
Off
Loading operating system and starting software.
Off
Flashing
On
Connecting to the Control Server.
Off
Off
On
Connection to the Control Server established.