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NOTE: If you change the bus node ID plugs while the system is operating,

you must turn off the system and then turn it back on for the new plug

addresses to take effect.

3.1.2 TF85 Tape Drive

The TF85 tape drive is located behind the upper door of the system. To use

the drive, move the key to the top position and open the door.

The TF85 tape drive holds one removable magnetic tape cartridge. The

drive can read data written on either a CompacTape III, CompacTape II, or

CompacTape cartridge; but cannot write to aCompacTape II or CompacTape

cartridge. You must use a CompacTape III cartridge to make copies or

backups of software or data. You can identify the type of cartridge by the

label on the cartridge. Table 3–2 shows cartridge compatibility with the

TF85 tape drive.

NOTE: The TF85 can read cartridges recorded by TK-series tape drives.

Table 3–2: Read/Write Cartridge Compatibility with the TF85 Tape

Drive

CompacTape CompacTape II CompacTape III

Read Read Read/Write

TF85 Tape Drive Controls and Indicators

The tape drive has two primarycontrols: the cartridge insert/release handle

(subsequently referred to as the ‘‘handle’’) and the Unload button. You use

the handle to insert or remove cartridges and lock them into position. Pull

the handle open to insert or remove a tape cartridge. Push the handle

closed to lock a tape cartridge into position and load the tape.

You use the Unload button to rewind and unload the tape. Rewinding and

unloading can also be controlled by software. Refer to your system software

manuals for appropriate commands.

A bus node ID plug on the drive’s front panel identiﬁes the bus node number

of the device to the system as well as the unit number by default.

NOTE: Refer to Appendix B for information on setting or examining

parameters for DSSI devices.

The drive also has four indicator lights that show the status of the drive.

3–6 VAX 4000 Model 200 (BA430) Operation

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Vax 4000 Model 200 Wartungshandbuch Seite 58