User's Manual

Understanding Security features 135
See the following section, “Watchdog settings and indicators”
(page 135), for additional information about the Watchdog card.
--End--
Watchdog settings and indicators
• LEDs
Table 14
Top LED Indications
Top LED Indication Meaning
Flashing at 1 second ON - 1 second
OFF
This condition appears at power up
of the PC for 2,5 minutes, to let the
PC power up.
Flashing at 350 msec. rate Watchdog operational. No alarm
condition.
Flashing rapidly at 100msec. 3 seconds before timer expires, and
no reset received yet.
Table 15
Bottom LED Indications.
Bottom LED Indication Meaning
Steady on. Alarm condition. The timer in the
Watchdog is expired, and the alarm
contact is activated.
Flashing at 1 second rate, each flash
100 msec.
Input signal detected.
•
Switches
The function of the DIP switches on the card are described in the
Watchdog User’s Manual. However, for the DECT Messenger
application, use the switch settings are defined in Procedure 18
“Installing and connecting the Watchdog” (page 132). If you want to
use another delay time, change the delay time using switches 6,7, and
8. See Table 16 "Switches 6 to 8." (page 135) for the settings.
Note: Also adapt the eKERNEL_SITE table in DECT Messenger.
Table 16
Switches 6 to 8.
Switches 6-8
Delay Time
OFF-OFF-OFF 5 Seconds
OFF-OFF- ON 10 Seconds
Nortel Communication Server 1000
DECT Messenger Fundamentals
NN43120-120 01.06
17 October 2008
Copyright © 2003–2008 Nortel Networks
.