Mac+Phy Test; Asic Test; Panel Test; Iot Test - Dell 5110cn Service Manual

4.1.7 MAC+PHY Test

PHY Internal loopback test
Normal
CHECK OK

4.1.8 ASIC Test

ASIC register check.
Normal
CHECK OK

4.1.9 PANEL Test

This test checks input and output of the control panel. When buttons are pressed in the manner
shown in the following table, the test displays the corresponding contents on the LED and LCD.
Button
MENU
CANCEL
pressed at the
same time
Indicates left side square is the Ready LED (Green) and right side square is the Alarm LED
(Amber). Not lighting Lighting

4.1.10 IOT Test

This test checks communication with the IOT. Then it reads the status register of the IOT to check
whether commands can be exchanged with the IOT.
It sends the following command to read the status register, and checks whther the appropriate
response returns.
Read ROM Revision No
Normal
CHECK OK

4.1.11 HD Test

When the optional hard disk is checked and found, it checks the optional hard disk. The test per-
forms read/write/verify on the hard disk.
Normal
CHECK OK
Error
MAC+PHY ERROR
Error
ERROR
LED
- (The test is completed)
Error
IOT ERROR
Error
HD ERROR
2 - 13
Chapter 2 Operation of Diag.
LCD
Displays " UP " on the LCD.
Displays " DOWN " on the LCD.
Displays " LEFT " on the LCD.
Displays " RIGHT " on the LCD.
Displays " SET " on the LCD.
Displays " MENU " on the LCD.
Displays " CANCEL " on the LCD.
Displays " Start " on the LCD.