Front Panel Display Controls And Connectors; Led Display; Front Panel Controls; Figure 3-3 Cpu Led Display - Motorola IRRInet-XL Owner's Manual

3.3 Front Panel Display Controls and Connectors

3.3.1

LED Display

A matrix of 5 x 4 LED's is used for diagnostics and testing of both the CPU and I/O
modules (See Figure 3-3). The upper row indicates to which module the LED matrix
corresponds as detailed below:
•
CPU - CPU Module
•
M1 - I/O Module 1
•
M2 - I/O Module 2
• M3 - I/O Module 3
The blue numbers (1 to 16) on the LED panel are I/O indications. Refer to the appropriate
I/O module section for details on these LEDs.
CPU M1
LOAD CONF
1 5
RST Tx1
2 6
P.B.
ERR Rx1
3 7
BAT CM1
4 8

Figure 3-3 CPU LED Display

3.3.2

Front Panel Controls

To start and reset the CPU Module, turn the Main Power Supply switch off and then on
again.
The pushbutton is used for the following operations:
•
Activate the LED Display Panel.
• Toggle the LED panel to display the status of the CPU or one of the I/O modules.
•
Initiate software downloading to the CPU.
•
Erase user flash memory.
Table 3-2 describes the status or diagnostic indication of the LED Matrix Display for the
CPU module (i.e., upper left corner CPU LED on):
M2 M3
CPU
APPL MON
9 13
Tx2 Tx3
10 14
CPU Statues Messages
Rx2 Rx3
11 15
CM2 CM3
12 16
3-5