FOXBOX SR HDMI • Setup Guide
This guide provides quick start instructions for an experienced installer to set up and operate the
Extron FOXBOX SR HDMI scaling fiber optic receiver.
WARNING: Risk of serious physical injury: The receiver outputs continuous invisible light, which may be harmful to the eyes;
use with caution. For additional safety, plug the attached dust caps into the optical transceivers when the fiber
optic cable is unplugged
Installation
Step 1 — Mounting
Turn off or disconnect all equipment power
sources and mount the receiver as required.
Step 2 — Throughput Connections
NOTES: • See the two fiber cable connection drawings below. You can connect the transmitter and one or more
receivers in one of three ways:
• One way (transmitter to receiver) only, perform step 2a.
• Two way (transmitter to receiver and return), perform steps 2a and 2b.
• One way (transmitter to receiver) with daisy chain (receiver to receiver), perform steps 2a and 2c.
• HDCP compliance requires both fiber cables.
a. Connect the fiber between the Tx port on the transmitter and the Rx port on the receiver.
b. If you want the receiver to send return serial data (such as responses from a controlled device) to the transmitter,
connect a cable between the Tx port on the receiver and Rx port on the transmitter.
c. If you want a receiver to daisy-chain the optical signal to another receiver (up to 10 receivers in a daisy chain):
• Connect the receiver Tx fiber cable to Rx on another receiver.
• Set each receiver to daisy chain mode. See “Return Link
and Daisy Chain Modes,” on the next page.
Tx Link and Rx Link LEDs — When lit, the link is active (light
is output [Tx LED] or received [Rx LED]).
NOTE: The Link LEDs indicate transmission of light only, not whether there is data encoded in the optical link.
Step 3 — Output Connections
a. Connect an HDMI video display to the HDMI Output connector.
NOTE: Use a LockIt Lacing Bracket to securely fasten an HDMI cable to the receiver as follows.
1. Plug the HDMI cable into the panel connection
3
3
1
2
4
5
2. Loosen the HDMI connection mounting screw from the panel enough to allow
the LockIt lacing bracket to be placed over it. The screw does not have to be
removed.
3. Place the LockIt lacing bracket on the screw and against the HDMI connector,
then tighten the screw to secure the bracket.
ATTENTION: Do not overtighten the HDMI connector mounting screw. The
shield it fastens to is very thin and can easily be stripped.
4. Loosely place the included tie wrap around the HDMI connector and the LockIt
lacing bracket as shown.
5. While holding the connector securely against the lacing bracket, use pliers or
similar tools to tighten the tie wrap, then remove any excess length.
b. Connect a balanced or unbalanced audio device to the
Output Audio captive screw connector, as shown at
right.
ATTENTION: For unbalanced audio, connect the sleeves to the ground contact. DO NOT connect the sleeves to the negative
(–) contacts.
HDMI
Receiver
Transmitter
Tx Rx
Tx Rx
and
2a
2b
From Transmitter
or Daisy-Chained
Receiver
Receiver
Receiver
Tx Rx
Tx Rx
2a
3c
FOXBOX SR HDMI
LINK
LINK
OPTICAL
RxTx
HDMI
AUDIO
OUTPUTS
REMOTE
RS-232
Tx Rx
RS-232
OVER FIBER
ALARM
Tx Rx 1 2
POWER
12V
1.0 A MAX
LR
OFF
ON
HDMI AUDIO
Do not tin the wires!
Unbalanced Stereo OutputBalanced Stereo Output
Tip
NO GROUND HERE
NO GROUND HERE
Tip
LR
Sleeves
Tip
Ring
Tip
Ring
WARNING: Risk of serious physical injury: The receiver outputs continuous invisible
light, which may be harmful to the eyes; use with caution. For additional
safety, plug the attached dust caps into the optical transceivers when the
fiber optic cable is unplugged
(47 pages)
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