COMSPHERE 3900 Series Modems

D

data compression, 5-40MNP5, 5-40V.42bis, 5-40

data rate

dial line, 5-30

forced to VF rate, 5-18leased line, 5-34

data rates. See rates DATAKIT, 5-16,5-20

default configuration options, 2-6–2-8,5-1,F-2–F-7Diagnostic Connection, 5-51

diagnostic control panel (DCP) configurations. See configuration options description, 1-3–1-5,3-1–3-2

menu tree, 3-8,A-1–A-3messages, 3-8–3-14,4-9–4-10operation, 2-6–2-7,3-5–3-7,5-5–5-8,12-7status indicators (LEDs), 3-3–3-5

dial

access security. See Security answering a call

auto-answer, 5-25,11-2

manual answer, 5-25,10-4–10-7,11-3backup, 2-4,7-6–7-7,10-1,10-5–10-7,B-2command modifiers, 10-8,14-5,14-6DCP controlled, 10-1–10-2

manual dial. See Talk/Data network connection, 2-4,B-4–B-5

stored telephone number, 10-6–10-8,10-9–10-10,14-12

dial backup, automatic, 5-35

Dial Line configuration options group, 5-30–5-32dial standby

automatic, 5-36restoring service, 5-36time, 5-36

Dial Tone Detect, 5-25Dial Transmit Level, 5-31Dialer Type, 5-25digital loopback, 8-5–8-10dimensions, 1-9directory

dial, 5-49

telephone number, 10-6–10-8,10-9–10-10disconnect

line current, 5-27long space, 5-27no carrier, 5-28no data, 5-28

options reloaded after, 5-48disconnecting a call, 10-3–10-7Download Software, 7-7DSR Control, 5-13

DTE

connection, 2-4,B-3status, 3-3–3-5,4-7

DTE Dialer configuration options group, 5-19–5-24DTE Dialer Type, 5-20

DTE Interface configuration options group, 5-9–5-19DTE rate, forced to VF rate, 5-18

DTR Action, 5-12

Dual Leased Line, 5-38

dual leased–line operation. See backup, leased

E

EIA LEDs, 7-4–7-7EIA-232-D

cable connection, 2-4,B-3pin assignments, C-2status, 3-3–3-5,4-7

end-to-end pattern test, 8-8environment, 1-9equipment

customer supplied, 2-2list, 2-1,H-1

error control, 5-39fallback character, 5-41Negotiate Buffer, 5-41

escape character ( + + + ), 5-21,14-1,14-15Extend Main Channel, 5-19

F

faceplate, 1-4,3-2

factory default configurations, 2-6–2-8,5-1,F-2–F-7Fast Disconnect, 5-27

features, 1-1

firmware, mixed tributary, 5-51firmware part number (FPt #), 4-6firmware revision level (FRev), 4-6firmware upgrades/download, 7-7flow control

modem to modem, 5-43of DTE, 5-42

of modem, 5-42XON/XOFF, 5-43

frame size, maximum, 5-45

front panel. See diagnostic control panel function keys, 3-5,3-7,5-8

G

government requirements Canada, 1-7

United States, 1-5–1-6

H

handshaking sequence, 11-2,11-3hang up, 10-3–10-7

hardware part number (HPt #), 4-6HDLC, 5-20,D-1

Health and Status definitions, 4-9–4-10

Index-2

September 1998

3910-A2-GN32-40

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Image 276
Digicom 3911, 3910 operation manual Dte