Specifications

Section 2: PCB Installation and Startup
2-30 ◆ Section 2: PCB Installation and Startup Aspire S Hardware Manual
LED Indications
Connector Pin-Outs on BRIU-S PCB
LED Function LED Status Operation Status
LD5
(PCB Status)
Indicates the status of
the PCB.
Green On Initializing
Green Flashing
(slow flash)
Initialization problem
occurred during self-check.
Green Flashing
(100ms On/Off)
Operating normally
Green Off Downloading
LD1 - LD2 Indicates the Layer 1
link status of the lines.
Red On Layer 1 link established
Red Off No link
RJ61 Cable Connector - CN2
T-Bus Connection
The CN2 connector is polarity sensitive (tip to tip, ring to ring).
Pin No. Connection
1-
2-
3 TA +
4 RA +
5 RB -
6 TB -
7-
8-
T-Bus Connection
Pin-Out for ISDN Cable at External DSU and Mod Jack
Pin No.
Connection on DSU Side Connection on Mod Jack
Terminal DSU Terminal DSU
1- - - -
2- - - -
3 TA + Rx + TA + Tx +
4 RA + Tx + RA + Rx +
5 RB - Tx - RB - Rx -
6 TB - Rx - TB - Tx -
7- - - -
8- - - -
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