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EK-XTZ87-IN-A01

January 1994

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Document:	DEC 4000 Model 6x0/7x0 AXP Series TZ87 Subsystem Installation
Order Number:	EK-XTZ87-IN
Revision:	A01
Pages:	10
Original Filename:

OCR Text

DEC 4000 Model 6x0/7x0 AXP Series
TZ87 Subsystem Installation
EK–XTZ87–IN.A01
January 1994

This document illustrates how to install the TZ87 subsystem in a DEC 4000
Model 6x0 or Model 7x0 AXP series system.

TZ87

TZ87 Tape Drive
TZ87 Overview

Description
Cartridge type
Capacity
Form factor
Media size
Transfer rate
Temperature
Relative humidity
Voltage
Current
Power

Streaming tape drive
CompacTape III
10 GB (uncompressed) 20 GB (compressed)
5 1/4 in
1/2 in
1.25 MB/s (uncompressed)
10°C (50°F)–40°C (104°F) (operating)
20%–80%
+5 VDC 5% and +12 VDC 5%
+5 V: 2.5 A and +12 V: .8 A
22.1 W maximum

Add-On Option Part Number

TZ87 embedded tape drive

TZ87E–MX

Field Service Orderable
Parts and Options

FRUs
CompacTape III cartridge
CompacTape III cartridge
(quantity of 7)
CompacTape III cartridge
(quantity of 1008)
Cleaning Tape III cartridge
TZ87 electronic controller
module
SCSI ID Select cable

TK87–BA (whole unit replacement)
TK85K–01
TK85K–07
TK85K–A0
TK85–HC
54–21259–01
17–01936–01

TZ87

Documentation

TZ87 Series Cartridge Tape
Subsystem
Owner’s Manual
TZ87 Tape Drive Operator’s
Reference Card

EK–OTZ87–OM
EK–OTZ87–RC

TZ87

Figure 1 TZ87 Cassette Tape Drive

ad
Un

W
rit
Pr e
ot
ec

To
Re Han Op
P
W
Un
ait res
d e
m
lo
s
ov le n t
ad
his
e
Lig But
Ta
to
ht
pe
n

To
H
Ha C
O
Lo
nd los Inse and pe Wa
it
ad
le n
le e
r
th
th t Ta
Lig
is
is
pe
ht

Unload Button

SCSI ID Jumper Settings
SCSI ID
3
2
1

Operate Handle
Light

Out

Use Cleaning
Tape Light

Out

Tape-in-Use
Light

Out

Write-Protect
Light

n
Se sity
le
ct

PR
De

n
O sity
ve
rrid

0
/7
50

85
TK

TZ87 SCSI ID Jumper Selection

te
d
pe
in
Us
Us
e
e
Cle
Ta anin
pe g
O
pe
Ha rat
nd e
le

Front

TK87
TK86
TK85
TK50/70

Insert/Release
Handle
Density Select
Cassette Slot

Note: Remote ID present must be
Density Override
selected to enable selection jumpers
Data Compression
Light

Power
Connection

SCSI
ID Pins

Loader
Connector

Disable
Parity
Remote ID
Present

Rear

1
32

SCSI Connector
MLO-012202

TZ87

Table 1 TZ87 Top Side Light Summary
Light

State

Condition

Operate Handle (green)

Okay to operate the cartridge
insert/release handle.
Do not operate the cartridge
insert/release handle.
Tape is moving.
Tape is loaded and ready for
use.
Drive head needs cleaning,
or the current data cartridge
is faulty.
Cleaning was not done.
Replace cleaning cartridge.

Off
Tape in Use (yellow)

Blinks
On

Use Cleaning Tape
(yellow)

Remains on after you
unload the cleaning
tape.
After cleaning, turns
on again when you reload
the data cartridge.
Off
Write-Protect (orange)
All indicators on one
side of panel

On
Off
On
Blinks

Faulty data cartridge. Try
another cartridge.
Cleaning is complete or is
unnecessary.
Tape is write-protected.
Tape is write-enabled.
Power-on self-test is starting.
An error has occurred. Press
the Unload button or turn
drive power off and then on
again to clear the error.

TZ87

Table 2 Bottom Front Panel Light Summary
Light

State

Condition

All lights are yellow
TK50/70

TK85

Indicates tape is recorded in
TK50 or TK70 format.
Indicates tape is recorded in
TK85 format.
Indicates tape is recorded in
another density. This density
was selected for a write from
BOT.1
Indicates tape is recorded in
TK86 format.
Indicates tape is recorded in
another density. This density
was selected for a write from
BOT.1
Indicates tape is recorded in
TZ87 format.
Indicates tape is recorded in
another density. This density
was selected for a write from
BOT.1
Compression mode enabled.
(Compression can be done in
TZ87 density only.)
Compression mode disabled.
A density selection has been set
from the drive’s front panel.
Density selection is under host
control or automatic.
Drive is in density selection
mode.

Blinks

TK86

On
Blinks

TZ87

On (default)
Blinks

Data Compression

Density Override

Off
On
Off (default)
Blinks

1 Density override by Density Select Switch on OCP

TZ87

Figure 2 TZ87 Installation

Install the first TZ87 in
the top compartment.

Remove
screw.

d
loa
Un

era
Ha te
nd
le

ted
pe
in
Us
Us
e
e
Cle
a
Ta nin
pe g
Ta

O
W
ait
mo ndle pen
this
ve
Ta
pe

Pre

Un
ss
loa
B
d
Lig utto
n
ht

To
H
Lo
nd Clos Inse and Ope Wa
it
ad
le n
le e
this
this rt Ta
Lig
pe
ht

W
rite
Pro
tec

Scale = 1/3

Pin 1

Left-most
Connector

Lift
out
bezel.

Remove
SCSI ID
select
cable.

Note: The SCSI ID select cable overrides the SCSI ID jumpers.
MLO-012201

Note
When a removable-media compartment is empty, install blank bezels to
maintain maximum airflow. See Storage Tray Information in the DEC
4000 AXP Options Guide for part numbers and illustrations.

TZ87

Figure 3 Bus Continuity Card
Dual Half-Height
SCSI Drives
Continuity Card

Full-Height
SCSI Drives

J4
J2

J7
J5
J3

Dual Half-Height
SCSI Drives
Full-Height
SCSI Drives

Full-Height
SCSI Drives
MLO-009431

Note
When either the J6 or J7 backplane connector is not used, insert the
bus continuity card into those slots to maintain bus continuity. There
are two bus continuity cards already installed in the backplane.

TZ87

d
loa
Un

era
Ha te
nd
le

ed
pe
in
Use
Use
Cle
a
Ta nin
pe g

U
re

it
is

era
Ha te
nd
le

ed
pe
in
Use
Use
Cle
a
Ta nin
pe g
Ta

W
rite
Pro
tect

d
a
o t
L
o igh
L
it
a is
W th
n
e
p
O dle e
n p
a a
H rt T
se is
In th
se
lo
C dle
n
a
H

o
P

U
re

Insert cartridge
into drive.

87
d
loa
Un

era
Ha te
nd
le

ed
pe
in
Use
Use
Cle
a
Ta nin
pe g
Ta

W
rite
Pro
tect

d
a
o
L ht
ig
L
it
a is
W th
n
e
p
O dle e
n p
a Ta
H rt
se is
In th
se
lo
C dle
n
a
H

o
P

U
re

Push
handle
closed.

B
L

it
th

nsi
Se ty
lect

re
mp

/70

nsi
Ove ty
rrid
e

n
e
e
p
O le ap
d
n T
a e
H ov
m
e
R

/70

L
it
a
W is
th
n
e
e
p
O le ap
d
n T
a e
H ov
m
e
R

nsi
Se ty
lect

/70

nsi
Ove ty
rrid
e

th
n
e
e
p
O le ap
d
n T
a e
H ov
m
e
R

B
L

o
P

WriteEnabled

Pull cartridge
Insert/Release
handle.

a is
W th
n
e
p
O dle e
n p
a a
H rt T
se is
In th
se
lo
C dle
n
a
H

WriteProtected

loa

W
rite
Pro
tect

Figure 4 TZ87: Inserting a Tape

MLO-011149

TZ87

Figure 5 TZ87: Removing a Tape

d
loa

era
Ha te
nd
le

d
loa

era
Ha te
nd
le

ed
pe
in
Use
Use
Cle
a
Ta nin
pe g

W
rite
Pro
tect

nsi
Se ty
lect

nsi
Ove ty
rrid

50
TK

/70

O
W
ait
mo ndle pen
this
ve
Ta
pe

Pre

Lig

d
a
o
L ht
ig
L
it
a is
W th
n
e
p
O dle e
n p
a a
H rt T
se is
In th
se
lo
C dle
n
a
H

tto

loa

Press
Unload
button
to rewind.
Ta

ed
pe
in
Use
Use
Cle
a
Ta nin
pe g
Ta

To
H
Lo
nd Close Inse and Ope Wa
it
ad
le n
le
this
this rt Ta
Lig
pe
ht

W
rite
Pro
tect

o
P

Wait for Operate
Handle light
to come on,
then pull cartridge
Insert/Release
handle open.

d
u

B
L

it
is

nsi
Se ty
lect

nsi
Ove ty
rrid
e

mp
Co

87
d
loa
Un

era
Ha te
nd
le

/70

d
a
o
L ht
ig
L
it
a is
W th
n
e
p
O dle e
n p
a Ta
H rt
se is
In th
se
lo
C dle
n
a
H

th
n
e
e
p
O le ap
d
n T
a e
H ov
m
e
R

W
rite
Pro
tect

ed
pe
in
Use
Use
Cle
a
Ta nin
pe g

Remove
cartridge.

30%
P

/70

loa

d
a
o
L ht
ig
L
it
a is
W th
n
e
p
O dle e
n ap
a
H rt T
se is
In th
se
lo
C dle
n
a
H

era
Ha te
nd
le

Use
Use
Cle
a
Ta nin
pe g

in
pe

W
rite
Pro
tect

th
n
e
e
p
O le ap
d
n T
a e
H ov
m
e
R

o
P

U
re

B
L

Push cartridge
Insert/Release
handle closed.

it
th

nsi
Se ty
lect

/70

nsi
Ove ty
rrid
e

n
e
e
p
O le ap
d
n T
a e
H ov
m
e
R

MLO-011150