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Chapter 2 Installing Internal Tape Drives

Terminator Power

DDS-4/DAT 72 User’s Guide 18

Terminator Power 2

Jumper Pins 11–12:

Pins 11-12 shunted: Enable terminator power

Pins 11-12 open: Disable terminator power (default)

By default, terminator power is disabled on the internal tape drive. To

enable terminator power, place a jumper across pins 11 and 12.

Note: If you enable terminator power, be careful not to short the

TERMPWR signal to ground (for example, by attaching the

SCSI cable upside down). If a short occurs, terminator power

to the bus is interrupted. After the short is removed, a fuse in

the drive is automatically reset, restoring terminator power.

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 80 81

''6'$7 1
Contents 3
DDS-4/DAT 72 User’s Guide iv 4
Chapter 6 Troubleshooting 58 5
Index 66 5
DDS-4/DAT 72 User’s Guide vi 6
DDS-4/DAT 72 User’s Guide vii 7
DDS-4/DAT 72 User’s Guide ix 9
DDS-4/DAT 72 User’s Guide x 10
Quick Start Installation 13
Product Overview 14
DDS-4/DAT 72 User’s Guide 2 14
Figure 1 Drives Covered in 14
This User’s Guide 14
DDS-4/DAT 72 User’s Guide 3 15
Tape Drive Components 1 16
DDS-4/DAT 72 User’s Guide 5 17
DDS-4/DAT 72 User’s Guide 6 18
DDS-4/DAT 72 User’s Guide 7 19
Chapter 2 20
Unpacking 2 21
What Else You Need 2 22
Installation Summary 2 23
DDS-4/DAT 72 User’s Guide 12 24
Default jumper settings shown 26
SCSI ID 2 28
Parity Checking 2 29
Terminator Power 2 30
Data Compression 2 31
Power-On Self-Test 2 32
Host Operating System 2 33
Host Operating System 34
DDS-4/DAT 72 User’s Guide 22 34
Vendor ID 2 36
Recording Drive Information 2 36
DDS-4/DAT 72 User’s Guide 25 37
DDS-4/DAT 72 User’s Guide 26 38
Tape Drive 38
Side View 39
Bottom View 39
Connecting a SCSI Cable 2 41
Checking SCSI Termination 2 42
2 Replace the computer cover 45
Registering Your Tape Drive 2 46
Installing External Tape 47
Unpacking 3 48
What Else You Need 3 48
Installation Summary 3 49
SCSI ID 3 50
Parity Checking 3 51
Data Compression 3 51
Power-On Self-Test 3 52
Host Operating System 3 52
Connecting a SCSI Cable 3 53
Checking SCSI Termination 3 54
Connecting a Power Cable 3 55
Registering Your Tape Drive 3 56
Registering Your Tape Drive 57
DDS-4/DAT 72 User’s Guide 45 57
Operating Your Tape Drive 58
Handling Cartridges 4 59
Loading a Cartridge 4 60
Unloading a Cartridge 4 61
Write protected 63
Write enabled 63
Cleaning the Tape Heads 64
DDS-4/DAT 72 User’s Guide 52 64
Understanding the 65
Drive LEDs 65
Front Panel LEDs 66
DDS-4/DAT 72 User’s Guide 54 66
Figure 20 Front Panel LEDs 66
LED Summary 5 67
Clean LED 5 67
Media LED 5 68
Drive LED 5 69
Troubleshooting 70
Missing or Damaged Parts 6 71
SCSI ID Problems 6 71
SCSI Termination Problems 6 71
Mounting Hardware Problems 6 72
Drive Does Not Work 6 72
Power-On Self-Test Fails 6 72
Computer Does Not Boot 6 73
Write Error 6 74
Hardware Error 6 74
Chapter 6 Troubleshooting 75
Hardware Error 75
DDS-4/DAT 72 User’s Guide 63 75
Loading Revised 76
Firmware 76
Using Firmware Cartridges 1 77

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Quantum DAT72 Guide de l'utilisateur Page 30

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