XPRB
Power Control
Board
RB3
Power Module
----- INTERCONNECTING xP CHASSISES -----
Autoboot Commander xP chassises can be interconnected to provide substantial
computer control from many consoles. To interconnect chassises, xP transmitter and
receiver boards are used to provide "video paths" between chassises. One video path is
needed for each console simultaneously accessing another chassis. If there are two video
paths to a chassis, there can be two simultaneous consoles accessing the chassis; if a
third console attempts to access the chassis, it is "blocked" until a channel is released by
one of the accessing consoles. Each xP Transmitter Card and each xP Receiver Card has
two ports. Transmitter and Receiver cards come in a standard version (XPXT and
XPXR), requiring a Cybex CLX cable for each path, or a Cat-5 version (XPST and
XPSR), requiring three Category-5 cables per path (if multimedia is used; otherwise two
cables per path). We recommend the "Snap" (UTP Cat-5) boards for ease of installation
and simplified reconfiguration.
Autoboot Commander 4XP
XPXT/XPXR Dual-Port Expansion Cards
The original xP chassis interconnect cards are the XPXT (transmitter) and XPXR
(receiver) cards. Each card provides two paths which can be used alone or in
conjunction. The computers on a chassis are "transmitted" to another chassis via the
XPXT card. A chassis "receives" transmitted signals via the XPXR card. Each path
provides one console access to computers on a "transmitting" chassis. Tthe topology of
the computer center and it's xP Chassises determines placement and use of XPXR/XPXT
cards. XPXT and XPXR cards must be interconnected using CLX cables for each
interconnect path (CLX cables come in lengths of 3', 10', 25', 50', 100', 150', 200' or
250').
STANDARD INTERCONNECT
XPXT
xP
Transmitter
Board
Dual-Ported
XPXR
Board
Dual-Ported
Autoboot Commander 4XP
XPST/XPSR SNAP UTP Dual-Port ExpansionCards
The "snap" version of the XPXT/XPXR cards operates functionally identical to their
counterparts. Interconnection of these boards is instead done with Category-5 cable
instead of CLX cables providing flexibility in rewiring a computer center as requirements
may change. Two or three sets of Cat-5 cable are required (depending on whether
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