M800LMR Mainboard User’s Manual
16
Install the Extension Brackets
The extension brackets are used to connect features on the
mainboard to external connectors that can be attached to the system
chassis. Follow the steps below to install the extension brackets.
Note:
All the ribbon cables used on the extension brackets have a
red stripe on the Pin-1 side of the cable.
Fax/Modem Module
The Fax/Modem DAA module plugs directly into the mainboard in
line with to an expansion slot opening in the system chassis. When
you remove the slot cover from the system chassis, you can access
the LINE and TEL RJ11 connectors on the metal edge of the
Fax/Modem DAA module.
1. Locate the DAA modem header on the mainboard.
2. Plug the Fax/Modem DAA module into the DAA header.
3. Remove
the
modem
header slot cover.
Modem DAA Module
Modem Header
Line & Tel
RJ11 Sockets
2 MCLK
4 FRA-SY
6 SCLK
8 RIN-WAK
12 SDO
14 SDI
16 RST
GND 1
GND 3
GND 5
AUX 3V 7
HOOK 9
RIN 11
AUX 5V 13
MUTE 15
DAA-Modem Header
