2-10
Chapter 2
System Boards
(Continued)
LED
LED
LED
LED
Color
Color
Color
Color
Description
Description
Description
Description
LD1
LED blinks when VoIP software is in normal operation.
LD2
LED is on when it is connected with gatekeeper.
LD3
LED is on when major alarm occurs.
LD4
LED is on when minor alarm occurs.
LD5
Reserved.
LD6
Reserved.
LD7
LED blinks during VoIP channel service.
LD8
Green
LED is on when the entire VoIP channel is in use.
Daughter Board Installation Slots
Daughter board installation slot is dedicated to the installation of a VOIP_Sub board, the daughter
board of a VOIP board. The VOIP board has 3 daughter board installation slots. Therefore, up to 3
VOIP_Sub boards can be installed on the VOIP board.
Daughter Board of VoIP Board
The daughter board of the VOIP board that can be installed is called the VOIP_Sub board. This
section describes the features of the VOIP_Sub board.
VOIP_Sub Board
The VOIP_Sub board is daughter board for VoIP channel extension, and provides 8 Internet
telephone channels. A maximum of 24 additional Internet telephone channels can be installed on
the VOIP board.