Technical data

3.1.2.6 Summary of TF85 Tape Drive Controls and Indicators
Table 3–3 summarizes the TF85 tape drive controls. Table 3–4 describes
the meaning of the indicators.
Table 3–3: TF85 Tape Drive Controls
Control Position Function
Handle Open Lets you insert or remove a tape after rewind and
unload operations are completed.
Closed Locks tape in operating position and begins load
sequence.
Unload button Momentary
contact switch
Rewinds and unloads the tape.
Bus node ID plug Installed The bus node ID plug identifies the bus node ID
number of the drive to the system and is, by default,
the unit number. The bus node ID is factory set to
a number 0 through 6. Refer to Section 3.1.1.2 for
instructions on changing bus node ID plugs.
Not Installed The drive bus node number is undefined. All four
indicators light indicating a fault condition.
Table 3–4: TF85 Tape Drive Indicators
Write
Protected Tape in Use
Use Clean-
ing Tape
Open
Handle Condition
Off Off Off Off No power to the tape drive.
Off Off Off On steadily Safe to movecartridge release
handle. Power is present.
Off Off Off Blinking Load fault. The cartridge
leader may be defective. Pull
out the handle and remove
the cartridge. Do not use the
cartridge.
On/Off On steadily Off Off Tape is loaded but not in
motion.
On/Off Blinking Off Off Tape is in motion.
On On steadily/
blinking
Off Off Cartridge is write protected.
Off Off On Off Drive needs cleaning with
CleaningTape III cartridge.
Operating the System Options 3–17