Extron Electronics IN6902 User Manual

Page 5

DESCRIPTION

The IN6901 Series II and IN6902 Series II are serial command to contact closure converters. After
receiving RS-232 commands the units will open, close, toggle, or pulse (short temporary toggle) their
relays, providing latching or momentary contact closures. The IN6901 and IN6902 allow devices with
contact closure controls to be remotely controlled using serial commands.

The IN6901 and IN6902 operate identically. The main difference between the units is their size and the
number of relays they contain:

The IN6901 has 6 relays.
The IN6902 has 17 relays.

The IN6901 / IN6902 are ideal for adding RS-232 remote control functionality to INLINE 3500 Series
switchers including the following products:

IN3502

IN3562

IN3572

IN3504

IN3554

IN3564

IN3574

IN3506

IN3556

IN3566

IN3576

The IN6901 / IN6902 may be used to control many types of equipment which accept momentary or
latching contact closure control including switchers, motorized screens, cassette decks, lighting, drapes,
and projector lifts.

Since the IN6901 and IN6902 have multiple relays, they can also control multiple switchers. For
instance, a single IN6901 with 6 relays could control two IN3500 Series 2-Input switchers and one 4-
Input switcher. One IN6902 (17 relays) could control four IN3500 Series 4-Input switchers and one 2-
Input switcher from a single RS-232 control port.

This manual is related to the following products:

IN6901