24 N2 Dialer Module—N2 Dialer Module (NDM)
The remote dialer has the following features:
•
configurable via dial-up N2 Bus connection
•
detects an alarm condition on N2 Open devices on the remote N2 Bus
•
initiates dial connection to the facility management system N2 Bus
•
can be configured to dial a printer, print Remote Site Name, and hang-up
•
alarm dial in can be disabled to allow monitoring from the local facility only, or to
eliminate nuisance calls from a known problem site
The remote configuration accepts the following parameters and stores them in nonvolatile
memory; i.e., EEPROM.
Table 6: Remote Dialer Communication Parameters
Item
Range
Description
Remote site ID
31 characters
Printable string that identifies a
remote site. Used for passive device-
-printer operation.
Facilities management
system phone numbers
31 characters each
Phone numbers to dial in to on alarm.
Active or passive
device (4 possible)
0-1
Defines the type of device expected
on dial in.
Passive = 0 (Printer)
Active = 1 (FMS system)
Default = 1
Dial-in Control
0-1
0=enable
1=disable
Remote does not dial in if Dial-in
Control is disabled.
Number of retries
0-100
Number of retries before the alarm
dial operation ceases. Default = 3.
Try forever = 0.
Modem setup string
31 characters per line Before dialing; i.e., AT&F.
Idle time-out
1-255 minutes
If the remote NDM and modem have
dialed an (active device) telephone
number, but no N2 traffic is seen for
the Idle time-out, the dialer hangs up
and continues dialing based on the
number of retries selected.
Dial delay
0 to 255 minutes
Number of minutes to delay before
redialing; i.e., a dial delay of 4 means
that the dialer attempts a call every
4 minutes.
Modem connect time
30-255 seconds
Amount of time waited for a
connection to be established before
hanging up and redialing.
Default = 60 seconds.
Remote N2 Device
Addresses
(Defined via the Action
Menu-Phone Number
Configuration option)
1-255
N2 addresses of remote devices
connected to remote NDM. Must be
a complete list, and must
exactly
match the N2 addressees as defined
for the devices in the FMS.
Remote Dialer
Communication
Parameters
Summary of Contents for N2
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