Interpreting LEDs
120
Interphase Corporation
E1/PRI Interface With CRC4
On cards with an E1/PRI interface and CRC4 (most European
countries other than France), the LEDs for each port function
as follows:
In their operational state, the LEDs are as follows:
The following table describes the board status when the
sequence of LEDs appears as follows:
LED
Color
Meaning if the LED is ON...
1
Green
Clock is synchronized.
2
Green
Physical layer is active.
3
Yellow
Your ISDN provider is sending an RAI alarm to the
board.
4
Red
Error: CRC4 not found.
LED
Color
State must be...
1
Green
On
2
Green
On
3
Yellow
Off
4
Red
Off
LED1
LED2
LED3
LED4
Meaning
On
On
Off
Off
Board is operational.
On
Off
On
On
Your E1/PRI line does not support
CRC4 functionality. Deselect the
CRC4
option. (See
Содержание ENTIA 5536 DM PRI
Страница 34: ...Minimum System Requirements 14 Interphase Corporation...
Страница 46: ...Connecting to an MVIP Bus 26 Interphase Corporation...
Страница 56: ...Connecting to the Network 36 Interphase Corporation...
Страница 90: ...Removing the Drivers 70 Interphase Corporation...
Страница 136: ...Verifying COM Ports 116 Interphase Corporation...
Страница 172: ...Saving and Editing Frames 152 Interphase Corporation...
Страница 182: ...Understanding LoopTest Messages 162 Interphase Corporation...
Страница 190: ...Setting Port and Clock Modes 170 Interphase Corporation...
Страница 196: ...Interpreting Line Status Indicators 176 Interphase Corporation...
Страница 208: ...Procedures 188 Interphase Corporation...
Страница 220: ...Europe 200 Interphase Corporation...
Страница 238: ...Glossary 218 Interphase Corporation...