Watkins-Johnson Company WJ-8718A/MFP Instruction Supplement page 14

CONTENTS
WJ-8718A/MFP
TABLE OF CONTENTS
(Cont'd)
SECTION
m
CIRCUIT DESCRIPTION
(Cont'd)
Paragraph
3.4.1.6
3.4.1. 7
3.4.1. 7.1
3.4.1. 7.2
3.4.1. 7.3
3.4.1. 7.4
3.4.1. 7.5
3.4.1. 7.6
3.4.1.7.7
3.4.1. 7.8
3.4.1. 7.9
3.4.1. 7.10
3.4.1. 7.11
3.4.1. 7.12
3.4.1. 7.13
3.4.1. 7.14
3.4.1. 7.15
4.1
4.1.1
4.1.1.1
4.1.1.1.1
4.1.1.1.2
4.1.1.2
4.1.1.2.1
4.1.1.3
4.1.2
4.1.2.1
4.1.2.2
4.1.3
4.1.3.1
4.1.3.1.1
4.1.3.1.2
4.1.3.1.3
viii
Active Repeater Network .......•........•••..•..•......•............
Universal Synchronous/Asynchronous Receiver/Transmitter
(USART, U1) ...........•.•.............•.....•...•.................
RESET Signal ....•.... '.' ......••.........••.........................
Clock Input ......•...••.....••.....•...•..•.................•......
Receiver Clock/Transmitter Clock .....................•.•............
Chip Enable Input (CS) ••••••••••••••••••••••••••..•••••••••••••••••••
Control/Data Signal (C/D) ........................•...................
Read/Write Signals (RD/WR) .
Data Input/Output Lines
(DO
Through D7) ..........................•...
Receiver Ready (Rx RDY) .
Transmitter Ready (Tx RDY) ...•....•................................
Data Set Ready (DSR) ............................•..................
Data Terminal Ready (DTR) .......•...............•.....•............
Clear to Send (CTS) ....................•........................•...
Request to Send (RTS) ...................•.•.........................
Recei ved Data (RxD) .................................•.•............
Transmitted Data (TxD) ....................•.........................
SECTION IV
MAINTENANCE
General .
Performance Tests .........•.•.•.....••..•.............•............
BITE Program .
Access to BITE Program •..•...•......•..•..•.......•..•••...........
Switch Codes (RC) •..•.•.•••.•..•........••..........•.•............
Receiver BITE Tests ..•.........•....••.......•...•••...•.....•......
Access to Receiver BITE Tests •......•..................•....•...•....
Remote Interface Test Procedure .•.•.................•..•............
Alignm ent Procedures ..••....•.•......•.....••...•.•.•..........•...
Variable Voltage (VR) Adjustment (MFP-A1A2) •..•••...•.•.•......••...
Scan Threshold Adjustment (R 7) ...•.••••...•...••......•.••....•.....•
General Troubleshooting Procedures •......•.••.....•.•..•.........•...
Digital Test Equipment •.•.•...•....••....••......•....••.......••••.
Logic Probe .......•....•........•..•.......•.•.......•.............
Logic Pulser .
Current Tracer .........................•...•..................•....
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