Table Of Contents - HP 30240A Installation And Service Manual

Contents (continued)
Types of Packets Transmitted 3-5
Transmit Buffer Management 3-5
Queuing of Transmit Buffers 3-5
Transmit Operation Example 3-5
Receive Operation 3-6
Types of Packets Received 3-6
Receive Buffer Managaement 3-6
Queuing of Received Packets 3-6
Receiver Blind Spots 3-6
Receive Operation Example 3-7
Error Management 3-8
Selftest Operation 3-8
System Interrupt 3-8
SINTRO Selftest Interrupt - 3-9
SINTRl LANIC Interrupt 3-9
Interactive Command Completion 3-9
Interactive Command Acknowledgment 3-10
Batch Command Completion - 3-10
Fatal Error Response 3-10
LANIC Resets 3-11
Power-On Reset 3-11
'Hard Reset. 3-11
Soft Reset 3-12
Z-80 Reset 3-12
Power-Fail Warn 3-12
Self Test 3-13
Manually Initiated Self Test 3-13
Remotely Initiated Self Test 3-13
Idle Self Test 3-13
Visual Indicators 3-13
Attachment Unit Interface (AUI) Circuitry 3-14
MAU Power Control Circuit 3-15
LEOs 3-15
DO LED Pair 3-19
CL LED Pair _ 3-19
CR LED Pair 3-19
H Through Nand
*
LEOs 3-20
TX, RX, MN. OL, RO. Q. and IT LEOs 3-20
Medium Attachment Unit 3-22
Receiver 3-22
Transmitter 3-22
Jabber Fault Detection 3-22
Collision Detection 3-23
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