AT&T 8400 Series Instructions For Installation Manual page 36

Installing Your Voice Terminal
NOTE:
When the status indication feature is optioned, Button #9 is always used to
monitor the PassageWay connection, and Button #10 is always used to
monitor the Analog Adjunct. No other buttons on the 8411 can be used for
these purposes. If these two buttons are not used for PassageWay and an
Analog Adjunct, they can be used for switch features.
Figure 12. The location of Buttons #9 and #10 on the 8411
PassageWay Status Indications
The 8411 provides the following status indications, next to Button #9 for the
PassageWay connection:
These lights are used for
PassageWay status
1
2
3
4
5
These lights are used for
Analog Adjunct status
PassageWay Status
AT Command Mode
PassageWay Mode
DCP Looparound
Switch Link Down
EIA Out-of-Sync
Program Mode
* A Flash is a repeating pattern of 500 ms ON and 500 ms OFF.
† A Wink is a repeating pattern of 750 ms ON and 250 ms OFF.
6
7
8
9
10
Green light Red light
Off On
On Off
Flash* Flash
Wink† Wink
Flash Off
On Flash
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