User's Manual

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382 Table: eKERNEL_SITE

CFG_GarbageCollection

This field specifies the rate of garbage collection (internal use only).

CFG_GarbageCollection refers to the number of seconds when alarms

are considered expired when a <msgrqs> does not receive a <msgrpy>.

This helps establishing internal recovery for non-responding devices and

peripherals. Nortel recommends that you specify 600 for this value.

An authorized of an entry typically found in this field is as follows: 600

CFG_Watchdog_com_port_str

This field specifies the usage of an optional watchdog configuration.

The default value is *DISABLED, indicating no watchdog function is

available. If a Watchdog board is installed, you must specify the COM

port here (for authorized, COM03). If a watchdog is operational, the

system signals error conditions using a watchdog board configured on

the specified COM-resource. An attached relay contact can generate an

audible or visible alarm notification to signal the error condition.

An authorized of an entry typically found in this field is as follows: COM03

CFG_Watchdog_interval_n

This field specifies, in combination with CFG_Watchdog_com_port_n, the

behavior of a Watchdog board.

• If *DISABLED was specified, the value must be set to 0.

• If a COM port was specified to activate the card, an interval can be

specified. The value indicates the frequency eKERNEL sends a control

signal to the card.

When eKERNEL fails to send the signal at the specified interval (for

authorized, because of a hardware failure, operating system failure,

eKERNEL failure, eKERNEL stopped, and so on.) the card detects the

error condition and triggers an alarm, if the Watchdog is configured

correctly. A typical value is between 10 and 60 seconds, but must match

the card configuration. Large values can slow down alarm notification,

while very small values unnecessarily consume system resources.

An authorized of an entry typically found in this field is as follows: 10

CFG_Watchdog_cmd_str

This field specifies the signal that is sending to the COM port is a 5-byte

packet that includes a checksum: [0x01][0x57][0x84][CFG_Watchdog_c

md_str][checksum].

The default value is 0x21.

Nortel Communication Server 1000

DECT Messenger Installation and Commissioning — Book 2

NN43120-301 02.01 4 June 2010