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INDEX
DEFINITY Communications System
7400B Data Module
Page Index-2
User’s
DCP, see
Digital Communications Protocol
DEFINITY Communications System, Generic 1, 1-1
DEFINITY Communications System, Generic 2, 1-1
Dialing directory, 2-5
example, 3-4
Digital Communications Protocol, 1-1
DIP switch options, 1-1, 2-6
Display problems, 3-6
DTE, see
Data Terminal Device
DTR lead, 5-7
Duplex
full, A-6, 5-3
half, A-6, 5-3
E
EIA-232-D, 1-1, 2-1
pin assignments, D-8
Errors, data, 5-6
Escape sequence, 3-4, 4-6
F
Factory-default configuration, D-6
Features, 1-1
Formats, character, 3-1
Front panel, 1-2
G
Garbage, 3-2, 3-6
H
Hardware installation, 2-7
options, 2-6
I
Initial system checks, 2-12
Installation, hardware, 2-7
requirements, 2-1
L
LEDs, 1-2, 5-2
AA, 1-3, 5-5
CHECK SPEED, 1-3, 5-3
DATA, 1-3, 5-2, 5-4, 5-6
DATA METERING, 1-3
OH, 1-3
POWER/TEST, 1-3, 5-2
RD, 1-3, 5-2
SD, 1-3, 5-2
TR, 1-3, 5-5
Local mode, 2-5
Loopback test
local, A-14, 2-7, 5-5
remote, A-14
M
Make busy on local loop option, 2-7
Modes
asynchronous operation, 5-3
command, 3-1, 4-3
on-line, 4-3
on-line (data), 3-1
operating, 3-1, 4-2
synchronous operation, 5-3
O
On-line
disconnecting, 3-7
example, 3-6
Operating modes
command, A-8, 3-1
on-line (data), A-8, 3-1
Options
bit-mapped, B-8, B-9, B-11, B-12, B-13
data metering, 2-7
DIP switch, 2-6, 2-8
factory-default, 2-8
hardware, 2-6
make busy on local loop, 2-7
profiles, 2-6
telephone, 2-6
P
Parameters
changing, 4-1
communications, 3-1
configuration, 4-1
factory-default, 4-1
retrieval, 4-1
storage, 4-1
Parity, 3-2, 5-6
PBX, 1-1, 5-2
wall jack, 1-4, 2-1
PC Applications Guide, C-1