RTS UIO-256 User Manual

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16 Input/16 Output GPI Interface


Each UIO-256provides 16 GPI inputs and 16 GPI outputs. The GPI inputs can be set up as remotely controlled keypanel keys to activate intercom ports, party lines, GPI outputs, etc. within the intercom system. The GPI outputs are typically assigned for activation from keypanel keys. They can be used to control lighting or to key remote transmitters, paging systems, etc. Relays can be assigned to keys via AZedit.

Line Drawing



90/230 VAC ±10%, 50/60 Hz (selectable via back panel)


1 RU High x 7” (178mm) deep behind front panel


7.4 lbs (3.36 kg)

GPI Inputs

Type: Optically coupled

Input Requirements: 5-18VDC

GPI Outputs

Type: DPDT Relays with common, normal-openand normal-closedcontacts

Contact Ratings: 0.5A at 120 VAC; 1A at 24 VDC; 0.3A at 60 VDC

Contact Information

Ordering Information

Telex Communications, Inc.



12000 Portland Avenue South

16 Input/16 output GPI interface

Burnsville, Minnesota 55337

Catalog Number: 90007499000

Telephone: 877·863·4169


Fax: 800·955·6831


Form Number: LIT000036000 Rev A

Date: April, 2006

This specifications information is preliminary and is subject to change without notification.

Brand names mentioned are the property of their respective companies.