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Set each receiver to daisy chain mode. see, Return link, And daisy chain modes – Extron Electronics FOXBOX SR HDMI Setup Guide User Manual

Page 2: Foxbox sr hdmi • setup guide (continued), Operation, Return link and daisy chain modes, Hdmi audio switch, Indications, Setup

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2

c.

If you want the receiver to pass serial data or control signals, such as for serial control of a

ALARM

Tx Rx

1 2

RS-232

OVER FIBER

projector, connect the master device to the transmitter and the slave device to the receiver via the left three poles
(Tx, Rx, and

_

) of the RS-232 Over Fiber/Alarm 5-pole captive screw connectors on both units.

d.

For serial control of a unit, connect a host device, such as a computer, to one of the following ports on the unit to be
controlled:
Transmitter or receiver Configuration port — A 2.5 mm mini jack. A TRS RS-232 cable is included with the transmitter.

CONFIG

Receiver Remote RS-232 port — Use the Remote RS-232 3-pole captive screw connector.
The protocol for both of these ports is as follows:

REMOTE

RS-232

Tx Rx

RS-232

9600 baud

no parity

8 data bits

1 stop bit

no flow control

e.

For remote monitoring of the status of the Rx optical link on either the transmitter or receiver, connect a locally

ALARM

Tx Rx

1 2

RS-232

OVER FIBER

constructed or obtained device to the two right Alarm poles of the RS-232 Over Fiber/Alarm 5-pole captive screw
connector on that unit. The unit shorts both poles together when no light is detected.

Operation

After all receivers, the transmitter, and their connected devices are powered up, the system is fully operational. If any problems are
encountered, verify that the cables are routed and connected properly and that all display devices have identical resolutions and
refresh rates. If problems persist, call the Extron S3 Sales and Technical Support Hotline at the number that is closest to you.

Return Link and Daisy Chain Modes

The receiver operates in one of two modes (or both modes can be disabled):
Return link mode — The receiver outputs data on its Tx connector for return to the transmitter.
Daisy chain mode — The receiver daisy-chains its Rx connector input through to its Tx connector output.
Issue the following SIS commands from a PC connected to the receiver Remote RS-232 port to toggle between return link and daisy
chain modes or to disable both modes:

66*0*n#, where n =

0

= disable,

1

= enable return link (default mode), and

2

= daisy chain enable

NOTES:

Up to 10 receivers, each in daisy chain mode, can be connected in a daisy chain to a single transmitter.

Daisy chain mode works with non-HDCP sources only.

HDMI Audio Switch

HDMI AUDIO

OFF

ON

This switch mutes (Off position) and unmutes (On position) the embedded audio output on the HDMI output connector.
The audio on the captive screw output always remains active regardless of the setting of this switch.

Indications

FOXBOX SR HDMI

AUDIO

HDCP

VIDEO

CONFIG

MENU

ENTER

ADJUST

Power LED — This LED lights to indicate that power is applied to
the unit.
Video LED — This LED lights when the receiver detects a signal
on its video input.
HDCP LED — This LED lights when the video signal is HDCP encrypted.
Audio LED — This LED lights when the receiver detects a low level audio signal for a short period of time.

Setup

Menu

No

menu

display

Menu

Timeout

AUTO

IMAGE

EXTRON ELECTRONICS FOXBOX SR HDMI

Enter

PICTURE

CONTROLS

Enter

OUTPUT

CONFIGURATION

Enter

USER

PRESETS

Enter

ADVANCED

CONFIGURATION

H POSITION V

+0 +0

BRIGHT CONT

64 64

H SIZE V

1024 768

RESOLUTION

1024X768 @60

HDMI FORMAT

AUTO

RECALL

2

SAVE

<2>

CLEAR

<2>

DETAIL

0

TEST PATTERN

CROP

FREEZE

OFF

ASPECT

RATIO

BLANK

OFF

AUTO MEMORY

ON

FACTORY RESET

HOLD ENTER

MENU TIMEOUT

10

Use the front panel menu controls and the on-screen
display, shown at right, on the connected display to set up
the receiver.

68-1990-50
Rev A 08 12

© 2012 Extron Electronics. All rights reserved.

www.extron.com

FOXBOX SR HDMI • Setup Guide (Continued)