The ASCII modules also provide "CRAFT" access to devices. Once T/MonXM is monitoring your devices, you have the ability to connect to any device from any T/MonXM terminal in order to perform more extensive inquiries or commands. In fact, multiple users can access different devices at the same time that the ASCII software is monitoring the remainder of the remote devices.
How do the ASCII modules work? The ASCII modules continuously look for any characters that have been received from the input port. The program then attempts to match specific portions of that data with predefined patterns (ASCII Rules). Once a rule has been found that matches the general format of a particular line or set of lines, the message is considered to be framed. At this point the ASCII processor can know with confidence the locations of other key portions of the message that identify the alarm and its status.
The ASCII modules also have the ability to periodically issue commands to ASCII devices and then process alarms based on the response. This is ideal for those devices that do not have the ability to report on change of state, but do have a status report command. Along the same lines, the ASCII modules also support device LOG-IN & LOG-OFF.
T/MonXM supports two flavors of ASCII processing, each having their own set of part numbers. The first is DIRECT CONNECT ASCII. Direct connect ASCII should be used whenever you have a device that is generally physically close, or has dedicated communication facilities that permits the unit to be directly connected to a T/MonXM port. When using this method of ASCII, each device must be connected to its own dedicated port, since ASCII is not a network protocol. Dialup ASCII is designed to work with remotes that have modems. The Dialup ASCII processor can place or accept phone calls. In most cases a single modem port has the ability to process multiple ASCII sites. For systems with multiple ASCII modem ports, some can be reserved as incoming only to facilitate critical alarm reporting. Generally, most applications will only require one of these two types of ASCII, but both software modules were designed so they can be run concurrently should the need ever arise.
The true power of ASCII processing is not realized until it is viewed in context with T/MonXM software. Once an ASCII alarm is declared it becomes a "Standard T/Mon Alarm," which may control the following functions: Local audible, 4 Level Audio / Visual relay indicators, Alarm formatting (color & content), historical functions, printer logging, optional alpha/numeric pagers, and access to responders. Other T/MonXM standard functions include: Multiple alarm windows, system security, UPS support, derived alarms, trouble logs, alarm qualification times, extended alarm messages, labeled controls, analog support, watch dog functionality, and lots of statistical real time activity indicators.
The most recent addition to the ASCII monitoring product line is the ASCII/X.25 package. This package consists of an ASCII/X.25 software module and an X.25 card. Multiple devices can be monitored over their respective PVC's & SVC's. Each logical channel can follow its own set of rules.
For additional information regarding the ASCII modules or our complete line of alarm monitoring hardware and software solutions, please give us a call.
|Direct ASCII Interrogator, single port version.||D-SK-184-10A-00|
|Direct ASCII Interrogator, multi port version||D-SK-186-10A-00|
|Dial Up ASCII Interrogator, single port version||D-SK-164-10A-00|
|Dial Up ASCII Interrogator, multi port version||D-SK-163-10A-00|
|ASCII Interrogator with X.25 Card||D-SK-183-10A-00|
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