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IBM Manuals
Controller
3720
Problem determination manual
IBM 3720 Problem Determination Manual
Communication controllers
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Also See for 3720
:
System integration manual
(122 pages)
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Contents
Table of Contents
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Table of Contents
Table of Contents
Unable to Power on the 3720 Model 1 or 11
Unable to Power off the 3720 Model 1 or
3720 Model 1 or 11 Drops Power
Unable to Power on the 3720 Model 2 or 12
Unable to Power off the 3720 Model 2 or 12
3720 Model 2 or 12 Drops Power
Local Operator Console
No IBM Copyright Screen for Local Operator Console
Terminal Disconnected for Remote Console Is Displayed, or Remote Console Active Lamp Is on
Remote Operator Console
Permanent Ringing
No IBM Copyright Screen on Remote Operator Console
No Answer after Correct Password or
No Answer During Console Session
3720 Model 1 or 11 Load Problems if IPL Performed from Host
3720 Model 2 or 12 Load Problems if IPL Performed from Host
3720 Modell, 11, 2 or 12 Load Problems if IPL Performed from Disk
Line Problems
CCITT V.24/V.35 Direct Attachment
CCITT V.25 Autocall
CCITT X.21 Modem Attachment
CCITT V.24 Switched Modem Attachment
Modem Tests
Modem and Link Tests
Token-Ring Interconnection (TRI) Problems
TRI Problem Determination
Power Check Lamp(S) Is on
Disk Problems
Host Messages
Information on the Control Program, EC Level, MCF
Information on Disk Control Program Load Modules, Dump
Alarms
How to Display an Alarm
Netview or NPDA V3R2 (VSE) with 3720 PTF Messages
NPDA V3 Messages
VTAM Alerts
Hexadecimal Codes Displayed on the Control Panel
Tailgate Wrap Test Messages
Console Link Test
Appendix A. Task-Oriented Bibliography
Tasks to be Performed: before Installation
Tasks to be Performed: During Installation
Tasks to be Performed: at Integration into the Network
Tasks to be Performed: During Operation
Index
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