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Timeout
The timeout period is the amount of time that the Intelligent Printer Switch will wait after the end of
data transmission before allowing switching to another computer. A timeout period of 8 seconds is
suitable for most systems.
Auto form feed
When the auto form feed function is enabled, the Intelligent Printer Switch will send a form feed
instruction to the printer at the end of each users print job (after timeout).
Mode
Set this switch to the normal position unless you wish to test the IPS or a cable.
Testing the IPS / testing a cable
The Intelligent Printer Switch supports a test mode that enables you to verify the correct operation of
the unit and your cable. All Intelligent Printer Switches are fully tested at the factory.
1) Disconnect all cables from the IPS and disconnect the power.
2) Set all the option switches to the OFF position.
3) Power on the IPS - the power indicator will flash to indicate that the unit is in test mode.
4) Connect the cable to be tested from any computer port to the printer port. If the cable and IPS
are functioning correctly the status indicator will flash.
5) To test all the computer ports, plug the cable into each one in turn without powering the IPS off.
Power the IPS off and return the mode switch to the normal position before using the IPS as a printer
sharer.
Port specifications
Signal
IPS Printer Port
(25 way female)
STROBE
DATA 0 - 7
2 - 9
ACKNOWLEDGE
BUSY
PAPER END
SELECT
AUTOFEEDXT
ERROR
INIT
SELECT IN
SIGNAL GROUND
18 - 25
FRAME GROUND
LOGIC HIGH
IPS Installation and Use - Edition 5 © Adder Technology 1997
Publication No. ADD0016/5 - Euro
IPS Computer Ports
(36 way female)
1
1
2 - 9
10
10
11
11
12
12
13
13
14
14
15
32
16
31
17
36
16, 33, 19 - 30
-
17
-
18
Radio frequency energy
European EMC directive 89/336/EEC:
This equipment has been tested and found to comply with the limits for a class
B computing device in accordance with the specifications in the European
standard EN55022. These limits are designed to provide reasonable protection
against harmful interference. This equipment generates uses and can radiate
radio frequency energy and if not installed and used in accordance with the
instructions may cause harmful interference to radio or television reception.
However, there is no guarantee that harmful interference will not occur in a
particular installation. If this equipment does cause interference to radio or
television reception, which can be determined by turning the equipment on and
off, the user is encouraged to correct the interference by one or more of the
following measures: (a) Reorient or relocate the receiving antenna. (b) Increase
the separation between the equipment and the receiver. (c) Connect the
equipment into an outlet on a circuit different from that to which the receiver is
connected. (d) Consult the supplier or an experienced radio / TV technician for
help.
Warning. Good quality shielded interface cables
must be used with this equipment to maintain compli-
ance with radio frequency emission regulations and
ensure a suitably high level of immunity to environ-
mental electromagnetic disturbances.
All trademarks acknowledged
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