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Compaq AA-RHGWB-TE User Manual

Page 50

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In addition, each supported cable comes in various lengths. Use the shortest
possible cables to adhere to the limits on SCSI bus length.

Table 2–3 describes each supported cable and the context in which you would
use the cable. Note that there are cables with the Compaq 6-3 part number
that are not listed, but are equivalent to the cables listed.

Table 2–3: Supported SCSI Cables

Cable

Connector
Density

Pins

Configuration Use

BN21W-0B

Three high

68-pin

A Y cable that can be attached to a
KZPSA-BB or KZPBA-CB if there
is no room for a trilink connector.
It can be used with a terminator to
provide external termination.

BN21M

One low, one
high

50-pin
LD to
68-pin
HD

Connects the single-ended end of
a DWZZA-AA or DWZZB-AA to
a TZ885 or TZ887.

a

BN21K,
BN21L, or
328215-00X

Two HD68

68-pin

Connects BN21W Y cables or wide
devices. For example, connects
KZPBA-CBs, KZPSA-BBs, HSZ40s,
HSZ50s, the differential sides of
two SCSI signal converters, or a
DWZZB-AA to a BA356.

BN38C or
BN38D

One HD68, one
VHDCI

HD68 to
VHDCI

Connects a KZPBA-CB or KZPSA-BB
to a port on an UltraSCSI hub.

BN37A

Two VHDCI

VHDCI
to
VHDCI

Connects two VHDCI trilinks to
each other or an UltraSCSI hub to a
trilink on an HSZ70 or HSZ80

199629-002 or
189636-002

Two high

50-pin
HD to
68-pin
HD

Connect a Compaq 20/40 GB DLT
Tape Drive to a DWZZB-AA

146745-003 or
146776-003

Two high

50-pin
HD to
50-pin
HD

Daisy-chain two Compaq 20/40
GB DLT Tape Drives

a Do not use a KZPBA-CB with a DWZZA-AA or DWZZB-AA and a TZ885 or TZ887. The DWZZAs and
DWZZBs can not operate at UltraSCSI speed.

Always check a SCSI cable for bent or broken pins. Be sure that you do not
bend or break any pins when you connect or disconnect a cable.

2–10 Hardware Requirements and Restrictions