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General Information
1.1
Introduction
This section contains general information about the Model
708 Switching System. The Model 708 is designed as a pro-
grammable switch for connecting signal paths in II matrix to-
pology. It is for applications requiring a small-scale matrix
(up to 96 crosspoints per mainhxme and 480 crosspoints per
master/slave configuration). Plug-in cards are available for
general and special purpose switching applications.
1.2
Features
Key features of the Model 708 Switching System are:
The switching system accepts one 7X7X switching card
(front or rear panel installation).
Digital I/O contained in the switching system (sixteen
inputs and outputs with internal pull-up resistors).
IEEE-488 bus or interactive programming.
Storage of 100 sets of relay setups, which can bc up-
loaded or downloaded through the IEEE-488 intcrfacc.
An active front panel LED display shows the present re-
lay status, a stored setup, or an editing scratchpad.
High-speed triggering of stored setups.
Makc/Lxeak and hrctimake
switching programmable
matrix by rows. Operation is transparent and indcpen-
dent of the relay setup.
- Maximum matrix size of 8 rows by 60 columns (480
crosspoints on one IEEE-488 address with live units
connected in a mastcrlslave configuration).
- Scaled construction, low heat producing design elimi-
natcs vent holes, which is suitehlc for cleanrooms.
. An optional light pen is available for interactive control
of relays and editing stored relay setups.
1.3
Warranty information
Warranty information is located on the inside from cow-r ot
this manual. Should your Model 70X rcquirc warranty Serb
vice, contact your Kcitblcy rcprcscntativc or an iwtborizcd
repair facility in your arca for furtbcr information.
1.4
Manual addenda
Any improvements orchangcs concerning the switching sys-
tem or manual will he explained in ;m addendum 1%~ sure 10
note these changes and incorpomtc them into the manual hc-
fore using or servicing the unit.
1.5
Safety symbols and terms
The following symbols and terms may hc found on an instni-
mcnt or used in this miuwal.
TheA.
symbol on an instrument indicates that the user
should r&r to the opemting instructions located in the in-
struction manual.
The A.
qymhol on an instrument shows that high voltage
may hc present on the terminal(s). USC standard safety pre-
cautions to avoid personal contact with tbcse voltages.
The WARNING
heading used in this manual cxplains da-
gers that might result in personal injury or death. Always
read the associated information wry carefully hcforc per-
forming the indicated procedure.
The CAUTION
heeding used in this manual explains haz-
ads that could damage the instrument. Such damegc may in-
validate the warranty.
1-I
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