SmartTrunk Systems SmarTrunk II - Section 4 • Smartrunk II Controller

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SECTION

SmarTrunk Systems, Inc.

SmarTrunk II Controller

The heart of the SmarTrunk II Sys-

tem is the ST-853 SmarTrunk II Digital

Trunking Controller which performs all

signalling and trunking functions, including

subscriber validation and call record

accounting. The ST-853 features a

communications databus linking all the channels at a single site, an expanded memory for sub-

scriber and call accounting records and many other new features and functions that have been

requested by SmarTrunk system operators throughout the world.

ST-853 FEATURE SUMMARY

• Subscribers per system .................................. 4,096

• Call records per controller ...............................4,500

• Paging code combinations available ...............320,000

• Communication between controllers ...............Serial databus

• Single access point for uploading ...................Yes

or downloading system data

• Programming software ....................................Menu driven PC DOS application

• Off-line programming sessions ........................ Yes

• Local transfer speed .......................................9600 baud

• Modem transfer speed .................................... 9600 baud

• Security password for programming ................ 2 password levels, up to 8

alpha numeric characters

• Method of assigning parameters ..................... Assigned to profiles which are assigned

to subscribers to subscriber

• Direct connect without overdial for ................... Yes

incoming telephone calls

• Total number of toll restriction ......................... 8 restricted prefixes and 8 override

prefixes per system prefixes