Sur-Gard SG-System III, Operating Manual

Page: 23 / 131

CHAPTER THREE - LINE CARD OPERATING MODES
19
SG-Sys
tem I Operating Man
ual
3
Standby Mode
SG-DRL3
After start-up, the line card enters Standby mode and monitors the telephone line and the SG-CPM3. Depending on the system's status, the
following conditions will be displayed for each line card:
*The number of flashes on the yellow LED indicates the following errors:
SG-DRL3E
After start-up, the line card enters standby mode and monitors the telephone line and the SG-CPM3. Depending on the system’s status, the
following conditions will be displayed for each line card:
LED ON OFF FLASHING
LINE
(Red) Line
Fault Line
Normal N/A
STATUS
(Yellow) On-line Off-line *Error condition
WATCHDOG
(Blue) Line Card not
functional Line Card functional
Flashes Error
1 CPM absent
2 Line card clock not set
3 EBUS command to disable the line card was sent
4 Printer or computer buffer full.
5 Checksum failed when downloading flash ROM files.
LED ON OFF FLASHING
Channel 1
LINE (Red) Line Fault Normal
Status (Yellow) On-line Off-line *Error condition
empty
WATCHDOG
(Purple) Line Card
not functional
Line Card

functional