Ring Communications DXC901 User Manual
Page 19
SEPTEMBER 2003
DIGITAL EXCHANGE CONTROLLER
DXC901
B19
RING COMMUNICATIONS INC.
transmitted to the next A
NNUNCIATOR
A
DDRESS
. No delay indicated by 00 allows the next
A
NNUNCIATOR
A
DDRESS
to receive the event without delay. It is possible for example to have
a delay from A
NNUNCIATOR
1 to A
NNUNCIATOR
2 and then have no delay from 2 to 3 and so
on.
Examples of Call forward delay:
00 = no delay
01 = 6 second delay
10 = 1 minute delay
15 = 1 minute, 30 second delay
This delay will be ignored if the Annunciator is in Night Transfer mode (Privacy).
POWER FAIL MONITORING OF CB901
The DXC901 monitors the system battery charge voltage. The threshold is factory preset to 25VDC.
A PWRFAIL may be sent to the DAD104 for acknowledge and to the event log printer. This feature
is handled by subscriber address FF in the DXC901 and may be programmed from the DNA100 in
the same manner as substation:
Set Subscriber type to 0
Set Subscriber dial number to match the stage number (Stage 1 = 0001, stage = 0002 etc.)
Set Location to “ Stage 1 DXC901"
Set Call Priority
Set Annunciator1 address for the receiver of the Alarm
Set Printer address