Extron electronics FOXBOX Rx DVI MM, User Manual, Page: 17 / 50

FOXBOX Tx / Rx • Installation and Operation 9
D
RS-232 Over Fiber port (see figure 2 on the previous page) — If you want
ALARM
Tx Rx 1 2
RS-232
OVER FIBER
the FOXBOX to pass serial command signals to the receiver, for serial
control of a projector for example, connect the host device to the transmitter
via the three leftmost poles (Tx, Rx, and
_
) of this 5-pole captive screw
connector (see RS-232 Over Fiber connections on page 16 to wire this connector).
NOTES:
•
If you connect only one fiber optic cable (
item
F
, on the next page), or you
configure the receiver for daisy-chaining, you will not receive reports from
the controlled device. To receive responses from the controlled device, you
must install two fiber optic cables and leave the FOXBOX receiver in normal
configuration (Mode DIP switch 1 down on the receiver).
• The FOXBOX can pass RS-232 commands and responses at rates up to
115200 baud.
E
Alarm outputs port
(see
figure 2
) — For remote monitoring of the status
ALARM
Tx Rx 1 2
RS-232
OVER FIBER
of the Rx fiber optic link (return from the receiver), connect a locally-
constructed or furnished monitoring device to the transmitter via the two
rightmost poles (1 and 2) of this 5-pole captive screw connector. When the
transmitter does not detect a light link on fiber cable Rx (optional), pin 1 and pin 2 of this
port are shorted together (see
Alarm outputs connection
on page 16 to wire this
connector).