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Office Hours
Monday through Thursday, 8:00 am to 5:00 pm Pacific Time; closed Fridays

Broadcast Tools, Inc. will be closed in observance of the following holidays:
Memorial Day: Monday, May 28th
Independence Day: Wednesday, July 4th
Labor Day: Monday, September 3rd
Thanksgiving Day: Thursday, November 24th
Christmas Day: Tuesday, December 25th


Assembled in the USA,
by American Workers
Web site design by:
MC-16


Product Overview
Discontinued. Please see the STI-II.
Input Levels Send Input Levels:Adjustable, -10 to +8dBu, @ 20K ohms Active balanced, (Send to Telco).

Auxiliary Input Levels:Adjustable, -10 to +8dbu, @ 20K ohms Active balanced, (DTMF receiver).

Output Levels Adjustable, Off to +4dBu, @ 600 ohms , Active balanced (Rec from Telco)
NOTE DTMF Sequences: Multiple digits for both relays and serial strings
Serial: 32 ASCII characters in 16 locations. RS-232, 2400, 9600, 19200, 38400 bps, 8N1. 9600 default
Relays: 14 - Form-C and 2 2PDT gold contacts. 24vdc @ 500ma
Logic Microprocessor, Non-Volatile memory.
Operation Control 15 Turn hybrid null adjustment control
Connectors Input/Output: Removable screw terminals (mate supplied). Phone Line: Modular, RJ-11(cable supplied). RS-232: Female, DB-9, (cable supplied)
Power Requirement 16 18 Vac, 500 - 600 ma. Wall transformer (supplied).
Dimensions 19"W x 1.75"H x 4.50"D. 1-RU.
Weight 3.0 lb.

131 State Street • Sedro-Woolley, WA 98284
Ph: 360.854.9559 • support@broadcasttools.com • Fax: 866.783.1742
Monday through Thursday 8:00 AM to 5:00 PM Pacific Time

Broadcast Tools® is a registered trademark of Broadcast Tools, Inc.
tiny TOOLS™ is a trademark of Broadcast Tools, Inc.
All Sentinel® labeled products is a registered trademark of Broadcast Tools, Inc.
Copyright ® 1989 - 2012 by Broadcast Tools, Inc. All rights reserved.
Pricing and availability are subject to change without notice.