HP 30242 Installation And Service Manual page 8

CONTENTS (continued)
SINTR 0 Self-Test Interrupt. " 3- 6
SINTRI LANIC Interrupt.
3-6
Interactive Command Completion 3-7
Interactive Comnland Acknowledgement. 3-7
Batch Command Completion 3-8
Fatal Error Response ,. 3-8
LANIC Resets ,
3-8
Power-On Reset
3-9
Hard Reset. 3-9
Soft Reset 3-9
Z-80 Reset. , 3-10
Power-Fail Warn 3-10
Self-Test
3-1 0
Manually Initiated Self-Test
3-10
Remotely Initiated Self -Test. 3-1 0
Idle Self -Test , 3-1 0
Visual Indicators · , , 3-10
Attachment Unit Interface (AU!)
3-10
MAU Power Control Circuit.
3-12
LEDs 3-12
DO LED Pair ' 3-15
CL LED Pair 3-16
CR LED Pair 3-16
H through Nand
*
LEDs ,
3- 16
TX, RX, MN, DL, RO, Q, and IT LEDs 3-16
Medium Attachment'Unit (MAU) 3-18
Receiver , 3- 18
Transmitter 3-18
Collision Detection 3-18
Jabber Fault Detection
3-20
Section 4
MAINTENANCE
Repair Philosophy 4-1
Self-Test 4-1
Appendix A
CONfIGURATION INFORMATION
Configuration Dialog A-I
Feb 85
viii