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SCSI Adapters - SCSI Connector Adapters, HD68, HD50, CN50, DB25, VHDCI, SCA, SCA2

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HD68 SCSI Adapters

SCA/SCA2 Adapters

CN50 SCSI Adapters

DB25 SCSI Adapters

HD50 SCSI Adapters

VHDCI SCSI Adapters

IDC50 SCSI Adapters

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Using the correct scsi adapter is crucial to the ability of your scsi drives and peripherals to work properly at their maximum speed. SCSI Adapters have different types of scsi connectors and/or "genders" of connectors on each end. They are used for connecting a scsi device with one type of connector to a scsi cable or other scsi device with another type of connector. Unfortunately there have been quite a few "standard" connectors over scsi's long history. As scsi got faster and "wider", it was necessary to update the connector types to newer, "better", "faster" connector types. Since you don't want to have a seperate scsi card for each blasted type of scsi device or connector, it's far easier, and less costly to use a scsi adapter. So this is the function of the scsi adapter. Another important point when considering scsi adapters is the "wide" and "narrow" or "high byte" "low byte" problem. "Wide scsi" means 16 bit or 2 "bytes" (8 bits make a byte) scsi. Narrow scsi is 1 byte (8 bits) scsi. Connecting wide devices to a narrow bus or narroww devices to a wide bus must be done with the proper scsi adapter which takes the termination problems into account. Wide scsi devices will work just fine using only the first byte, and therefore can be used on a narrow bus (cable) as long as their connected using a scsi adapter with high byte termination. Narrow devices can be used on a wide bus, without problems depending on whether or not they are connected to an "LVD" (Ultra2/Ultra160) segment. Connecting narrow scsi devices to an LVD bus will cause that segment to drop out of LVD mode. In the case of connecting narrow external devices to a scsi controller card with an external LVD connector, it is often a good idea to use an internal/external scsi adapter to "move" an internal narrow bus to the outside of the case to connect scanners, zip drives and other external scsi peripherals.
SCSI Information:
   •The basics of SCSI for newbies and technical information
   •SCSI Connectivity FAQ
   •SCSI Connector Pictures

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ADT-21069 SCSI adapter, DB25 Male to CN50 Female with latches

SCSI Adapters

ADT-21069 SCSI adapter, DB25 Male to CN50 Female with latches

SCSI adapter, CN50 Male to HD68 Female, Connect your SCSI-1 devices to your Wide SCSI Host Adapter

IDC50 male to HD68 Female SCSI adapter.

IDC50 Male to HD68 Male SCSI Adapter

SCSI adapter, CN50 female to HD68 Male, Connect your older SCSI-1 devices to your new Wide SCSI Host Adapter

SCSI Adapter, CN50 male to HD50 Female. Centronics CN50 male to 50 position, high Density HD50 (HPDB50 / MiniD50) female

SCSI adapter, CN50 Female to HD50 (Mini 50) Male

SCSI Adapter DB25 male to HD50 Female. ADT-21064-A SCSI adapter, DB25 Male to 50-pin SCSI-2 / SCSI-3 HPDB50 (MiniD50/HD50) Female

SCSI Adapter DB25 Female to HD50 Male. SCSI adapter, DB25 Female to 50-pin, high density, (SCSI-2 / SCSI-3 HPDB50 / MiniD50) Male