Index

Symbols

++ + 8-1

A

Abandon call and retry 7-4

ASCII

character table E-1AT command mode 8-1

escaping to 12-4AT Commands 8-1

B

Backspace Key 8-3Basic Rate Interface 4-2

BONDING disconnecting 10-2

placing a BONDING call 10-2setup 10-2

BONDING protocol standard 10-1

C

Call Connect 6-4Call request 7-2CCITT 4-1

Central office switches 1-1Closed User Group (CUG) 12-11Command Scope 8-4Command Statement Buffer 8-2Communication diagnostics 14-1

CONFIGURATIONS LOAD/SAVE OPTIONS? 5-1CONFIGURATIONS OPTIONS? 5-1Connection types A-1

Cover removal 3-1CTS pin operation 6-3

D

Data channel

display software version 14-6Data forwarding characters 12-21Data line occupied 7-2

Data rate

adaption protocol A-1Data Terminal Equipment

connection of 2-3specifications 2-3DCD pin operation 6-2

DCE data rates A-1D-channel

X.25 12-1

D-channel X.25 with ATDD command 12-2DIAGNOSTIC OPTIONS? 5-1

D(Continued)

Diagnostics

2B+D Loopback 14-1Bilateral Loopback Test 14-5Code 14-6

Digital Loopback Test 14-3

Local Loopback Test 14-2Local Terminal Loopback 14-2Port Tests 14-2

Status Display 14-6Dial Command 6-3Dial stored number

synchronous mode 11-1

DIAL/HANGUP OPTIONS? 5-1Dialing

V.25 bis 1-2Digit present 7-3Digit signal circuit 7-2Dimensions A-2Display Status 14-6Distant station connected 7-2DN 4-5

DSR pin operation 6-3

DTE

Data Terminal Equipment 2-3interfaces A-1

DTE Character Echo 8-2DTE Interface 1-2DTEdata rates A-1DTR pin operation 6-2

E

echo 8-2

EIA-366 Dialer functions 1-2EIA-366 Dialing 2-3EIA-366A

Dial sequence example 7-4EIA-366A dialer

configuration 7-1EIA-366A dialer operation 7-1Environmental A-2

error control 9-3Escape Sequence 8-1escape sequence character 8-1

F

Facilities 12-11

FATAL ERROR message 13-2Flow control

of PAD by local DTE 12-26parameter negotiation 12-12

Flow Control and Pin Options 9-2Front panel removal 3-5

fuse 15-1

Index-1

Page 183
Image 183
Northern UTA220/UTA220k manual Index