Tandberg Data
Mounting Specifications
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Tandberg SLR Reference Manual
4-5
4.2.2. Enable/Disable Bus Parity Checking
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The Drive Parity Checking is enabled/disabled by means of a strap between the
ENPAR
*-pin and
GND
(Ground).
4.2.3. Serial In/Out Communication
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The
DACI IN
and
DACI OUT
signal pins are used to connect the Drive to
certain test tools. In particular the serial communication is used for adjusting the
Drive with the BIRD/DACI serial interface, Part No. 96 52 58.
4.2.4. Test Functions
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The Drive has several test functions that can easily be started by setting up a
specific code on the select straps (
SEL0 - SEL3
), and by grounding the
SELFTST
*-pin during drive power-up. The coding is as in the following table:
TEST
SEL 3
SEL2
SEL1
SEL0
Meaning
CLOSED
CLOSED
CLOSED
CLOSED
X
X
X
X
X
X
X
X
OPEN
OPEN
CLOSED
CLOSED
OPEN
CLOSED
OPEN
CLOSED
Read/Write Selftest
Extended Drive Selftest
Mainboard Selftest
Combined Selftest
CLOSED
CLOSED
CLOSED
X
X
CLOSED
X
X
X
X
Continuous Mode
Stop-at-Failure Mode
NOTE: X means DON’T CARE
The different tests are described in detail in Chapter 10, Section 10.1.1. The Manually
Activated Selftests.
4.2.5. Termination Power
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The Drive has the possibility of sup5 V to other SCSI devices. This is
enabled by means of a strap between the
TERMPWR
-pin and the
PWR
-pin.
4.2.6. 8-bit SCSI
The Drive can be connected to an 8-bit SCSI system by using a 68 to 50-pin converter.