14 Installation
Connect and power-up the
DAT-Link
with the chosen SCSI ID set on its
switch.
Boot the workstation using the
boot -r
command. This will recongure the
machine for all connected devices.
After the computer has b ooted the system will have created a new device le
for the
DAT-Link
. If there are no tap e devices or other
DAT-Links
connected
to the machine this will be named
/dev/rmt/0
. If other tap e devices also
exist, the tape unit number in the ab ove path may be a higher number. These
les are actually symbolic links to lenames which identify the SCSI ID of the
device. For example, if the
DAT-Link
is connected with SCSI ID 5 and is the
only tap e device on the system, then
/dev/rmt/0
will be a symbolic link
to
/sbus@f,e0001000/esp@1,200000/st@5,0:
. The \@5" at the end of
this path shows that the device is at SCSI ID 5.
Create a symb olic link from the above le to
/dev/datlink0
. For example,
ln -s /dev/rmt/0 /dev/datlink0
The
DAT-Link
should now b e ready to use.
2.4.2 Digital Equipment Corp oration, DECstation
Manufacturer:
Digital Equipment Corp.
Mo dels:
DECstation 2100, 3100
Op erating System:
Ultrix V4.2, V4.3
2
,
Cables Required
To connect a DECstation with the
DAT-Link
you will require a cable with a
50 pin
Centronics typeconnector
on b oth ends. This may also b e called a
SCSI-1
cable.
It should be available from your DEC hardware supplier or can be ordered from
your
DAT-Link
supplier.
Cho osing a SCSI ID
Before connecting the
DAT-Link
,you need to check which SCSI ID's are already in
use on your system. To do this, you need to rst shutdown the computer by logging
in as ro ot and running:
2
Ultrix 2.0 is
not
supported
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