ADTRAN 239 T1 HDSL4 - Manual (Page 3)

239 H4R Installation and Maintenance Practice
61223445L1-5D iii
Revision History
Conventions
The following typographical conventions are used in this document:
This font indicates a cross-reference link. First-time references to tables and figures are shown in
this font .
This font indicates screen menus, fields, and parameters.
T HIS FONT
indicates keyboard keys ( E NTER
, E SC
, A LT
). Keys that are to be pressed simultaneously
are shown with a plus sign ( A LT + X
indicates that the A LT
key and
X
key should be pressed at the
same time).
This font indicates references to other documentation and is also used for emphasis.
This font indicates on-screen messages and prompts.
This font indicates text to be typed exactly as shown.
This font indicates silkscreen labels or other system label items.
This font is used for strong emphasis
NOTE
Notes inform the user of additional but essential information or features.
CAUTION
Cautions inform the user of potential damage, malfunction, or disruption to equip-
ment, software, or environment.
WARNING
Warnings inform the user of potential bodily pain, injury, or death.
Revision Date Description of Changes
D October 2004 Updated to add Bad Splice Detect and Fast Retrain feature
descriptions