Status Indicators - Paradyne COMSPHERE 3821Plus User Manual

COMSPHERE 3821Plus Modem
Storage of up to 10 telephone numbers to directory
locations.
Originate Security and three Answer Security
modes.
Callback Security with telephone directory index or
telephone number.
Two factory-defined configurations and two
user-defined configuration areas.
Status
Diag
Diag
SDU
SDU
SELECT
KEY
NETWORK
Figure 1-1. Optional SDCP, 3821 Plus Faceplate, and Optional SDU
1-2
Status
OK
Alrm
In
Out
Alrm A
Alrm B
Alrm C
Mod A
Mod B
Mod C
TXD
RXD
CD
RI
DTR
OH
Front Panel
3821 Plus
CARRIER SLOTS 1–16
1 2 3 4 5 6
Select
OK Alarm BckUp Test EC
STATUS
INDICATORS
OK Alarm BckUp Test EC
DEVICE
ALARM
DIAL
TEST
BACKUP
MODE

Status Indicators

The status indicators on a 3821Plus circuit card
continuously provide information on the modem's
operating condition. The status indicators for the
3821Plus card are located on its faceplate, the SDCP, and
the Shared Diagnostic Unit (SDU) faceplate
The 3821Plus card has 13 Light Emitting Diodes
(LEDs). These LEDs are listed and described in
7 8 9 10 11 12 13
F1 F2 F3
KEYPAD
ERROR
CORRECTION
February 1998
(Figure
14 15 16
COMSPHERE 3000
496-14802-01
LCD
3821-A2-GB20-30
1-1).
Table 1-1.