IBM 1 Series - Page 188

drivers (continued)
unit load
characteristics 2-55
classification 2-55
drops 2-77
equivalences 2-64
specification 2-59
types 2-55
drops, unitload 2-77
EIA (see Electronic Industries Association)
electrical characteristics
DPC adapter feature 6-11
integrated digital I/O feature 5-7
power supply 2-66
processor I/O channel 2-50
teletypewriter adapter feature 4-22
timer feature 3-10
Electronic Industries Association (EIA) 1-3
cable connections (TTY) 4-30
circuits 4-23, 4-26
option (TTY adapter) 4-1, 4-5
input circuits 4-23, 4-26
input option (TTY adapter) 4-1, 4-5
output
circuits 4-23, 4-27
option (TTY adapter) 4-1, 4-5
output circuits 4-23, 4-27
output option (TTY adapter) 4-1
signals 4-7
TTY data transfer 4-5
voltage-level interface 4-6, 4-10
error recovery (teletypewriter adapter) 4-21
external
gate 3-7
gate enable 3-7
pulse duration 3-6
external sync
digital input 5-3
deskew 5-8
mode 5-6
specifications 5-7
digital output 5-4
mode 5-5
line (integrated digital I/O features) 5-1
features
channel repower_ 1-2, 2-73
customer access panel 1-3
direct program control adapter 1-3, 6-1
GPIB adapter A-1, 1-3
I/O attachment 1-3
integrated digital input/output 1-3, 5-1
socket adapter 1-2, 2-77
teletypewriter adapter 1-2, 4-1
timer 1-2, 3-1
format, received character frame 4-11
frequency counting 3-3
function bits (DPC adapter lines) 6-4
functional description
DPC adapter signal lines 6-3
external timer signal lines 3-6
I/O channel signal lines 2-2
functional subsets of signal lines 2-4
General Purpose Interface Bus (see GPIB adapter feature)
GPIB adapter feature
applications A-5
command groups A-2
bus-initialization A-3
information-exchange A-3
polling and status A-~4
universal A-3
data transfer rate A-2
general description A-1, 1-3
hardware description A-2
IEEE standard 488 A-1, A-6, 1-3
cables A-2
implementation A-5
implementation A-1
interface structure A-1
signal interface groups A-1
grounding (teletypewriter adapter) 4-23
halt or MCHK (I/O channel line) 2-11
host-initiated IPL sequence 2-36
1/O
active (DPC adapter line) 6-3
attachment features 1-2
channel (see processor I/O channel)
I/O attachment features 1-2
customer access panel feature 1-3
customer direct program control adapter feature 1-3, 6-1
integrated digital I/O nonisolated feature 1-3, 5-1
teletypewriter adapter feature 1-3, 4-1
timer feature 1-2, 3-1
I/O channel (see processor I/O channel)
identifier, poll 2-12
IEEE standard 488 (see GPIB adapter feature)
initial program load (IPL) 1-3
address key 2-9
host-initiated timing sequence 2-37
initialization 2-10
host 2-15, 2-36
processor 2-15, 2-33, 2-46
logic 2-65
operations (processor I/O channel) 2-1
processor-initiated timing sequence 2-35
signal lines 2-4, 2-6
status bus 2-10
teletypewriter adapter 4-12
TTY data transfer 4-3
input
byte transfer 2-8
circuits (teletypewriter adapter) 4-8
indicator, cycle 2-9
sequence, DPC adapter 6-9
word transfer 2-8
integrated digital input/output feature
application considerations 5-18
description 1-3, 5-1
design considerations 5-18
electrical characteristics 5-7
digital and external sync input specifications 5-7
digital and ready output specifications 5-9
digital input characteristics 5-7
external sync deskew 5-8
response time 5-8
Index X-3