Section 2: PCB Installation and Startup
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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
fl
ash)
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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