Technical data

U26140-J-Z146-3-76 35
8 mm MTC drives Technical data
5.3.1 Error indicator
The error indicator (2, amber LED) lights up when the system is powered up
and is extinguished once the self-test has been passed successfully. It only
flashes if the MTC drive has a fault. It is illuminated if the MTC drive requires
cleaning.
I Access to the drive will be blocked if the cleaning instructions are contin-
ually ignored.
Observe the correct sequence of actions for cleaning this MTC drive as
described in the section “Cleaning the 4 mm cartridge tape drive” on
page 82.
5.3.2 Standby indicator
The standby indicator (3, green LED) only lights up after the system has been
powered up. It then flashes and is extinguished once the self-test of the drive
has been passed successfully.
– The indicator flashes if a cartridge is mounted and the cartridge tape has not
been spooled. The tape is wound round the read/write head.
– It does not glow if no cartridge is mounted.
Nor does it glow if a cartridge is mounted but the tape in the cartridge is not
wound round the read/write head.
5.3.3 Tape motion indicator
The tape motion indicator (4, green LED) lights up when the system is powered
up and is extinguished once the self-test has been successfully completed. It
only flashes when the tape in the cartridge is being spooled.
Three different flashing speeds are identified:
– regular, slow flashes indicate a read/write procedure in streaming mode.
– regular, fast flashes indicate that the tape is spooling backwards or forwards.
– irregular flashes indicate that data is being loaded or unloaded or a
read/write procedure in start/stop mode.
V Do not press the release button of the MTC drive while the activity
indicator is flashing, as data may be lost.