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Where more than one page reference is given,
the major reference is first.
A
Abandon Call and Retry, Automatic Calling Unit
Interface
12
Adapters, IBM Line
17
AOC Lock, High-Speed Interface
15, 14
alteration of IBM-supplied program 1
automatic call operation 38
Automatic Call Originate 5
Automatic Calling Unit Interface
12
c
Abandon Call and Retry
12
Call Origination Status
13, 12
Call Request
description
12
failsafe line
13
list of interface lines
12
capacitance
13
control definitions
13
Data Line Occupied
13, 12
Digit Leads
13, 12
Digit Present
12
electrical characteristics
13
failsafe lines
13
interface lines
12
line descriptions
12
open-circuit voltage
13
Power Indication
description
12
failsafe line 13
list of interface lines
12
Present Next Digit
12
short-circuit current
13
Signal Ground
12
signal lines
terminating impedance
13
voltages
13
cables 43
Call Origination Status, Automatic Calling Unit
Interface
13, 12
Call Request, Automatic Calling Unit Interface
description
12
failsafe line
13
list of interface lines
12
capacitance
Automatic Calling Unit Interface . 13
EIA RS-232C/CCITT V.24 Interface 5
CCITT V.24
(see
EIA RS-232C/CCITT V.24 Interface)
CCITT V.35 Interface
19
channel interface
1
signal line internal resistance
1
characteristic impedance, High-Speed Interface
16
Clear to Send (CTS)
CCITT V.35 Interface
19
EIA RS-232C/CCITT V.24 Interface 6, 5
High-Speed Interface 14
loss of 22
communication interfaces 3
contact, serpent 46
control definitions
EIA RS-232C/CCITT V.24 Interface 8
High-Speed Interface
16
CTS
(see
Clear to Send)
D
Data Line Occupied, Automatic Calling Unit Interface
13, 12
Data Signal Rate Selector,
EIA RS-232C/CCITT V.24 Interface 8, 5
Data Set Ready (DSR)
CCITTV.35 20, 19
Data Set Ready (DSR)
(continued)
EIA RS-232C/CCITT V.24 Interface
description 6
failsafe line 9
list of interface lines 5
High-Speed Interface
15, 14
loss of 22
Data Terminal Ready (DTR)
EIA RS-232C/CCITT V.24 Interface
description 8
failsafe line 9
list of interface lines 5
High-Speed Interface
16, 14
dial operation
description 38
example 39, 40
differential voltage levels
18
Digit Leads, Automatic Calling Unit
13, 12
Digit Present, Automatic Calling Unit
12
driver output current, High-Speed Interface
16
driver power OFF, High-Speed Interface
16
DSR
(see
Data Set Ready)
DTR
(see
Data Terminal Ready)
E
echo check
16
EIA RS-232C/CCITT V.24 Interface 5
capacitance 8
Clear to Send (CTS) 6,
5
control definitions 8
Data Signal Rate Selector 8, 5
Data Set Ready (DSR)
description 6
failsafe line 9
list of interface lines
5
Data Terminal Ready (DTR)
description 8
failsafe line 9
list of interface lines
5
description
5
electrical characteristics 8
failsafe lines 9
interface lines 5
line descriptions 6
logic definitions 8
Modem Wrap (Local Test) 7,
5
New Sync 7, 5
open-circuit voltage 8
Received Data 6,
5
Received Line Signal Detector 7, 5
Receiver Signal Element Timing 7,
5
Request to Send (RTS)
description 6
failsafe line 9
list of interface lines 5
Ring Indicator 8,
5
short circuit 8
Signal Ground 7, 5
signal lines 5
terminating impedance 8
Transmitted Data 6,
5
Transmitter Signal Element Timing 7,
5
voltages 8
electrical characteristics
Automatic Calling Unit Interface
13
EIA RS-232C/CCITT V.24 Interface 8
High-Speed Interface
16
Telegraph Interface
16
Emulation Program
1
examples of communication interface sequences 22
F
failsafe lines
Automatic Calling Unit Interface
13
EIA RS-232C/CCITT V.24 Interface 9
Index
Index
67
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