For SCSI card to three internal
LVD or SE devices and terminator.
This is the correct internal SCSI
ribbon cable for LVD SCSI, which
stands for "Low Voltage Differential
SCSI". This cable also works for
SE (standard "single-end") SCSI,
but costs more than an SE cable.
We can custom-build this cable
to your dimensions. NOTE that the
cable is twisted-pair, and that
connectors can only be mounted
where the cable is flat, or about
every six inches.
Features:
All of our internal LVD cable products use ultra-high grade
Hitachi cable, which is a 0.025" stranded, dual-laminated,
TPO micro quick-twist wire. They feature 30 AWG stranded
tinned copper, with each conductor individually extruded
with TPO. A thin, clear laminate coating is applied to both
sides to prevent floating and maintain maximum impedance
consistency throughout the entire length of the cable.
This cable is compatible with:
· SCSI Fast-XX
· SPI-2
· SPI-3
· Ultra-160 LVD
· Ultra-320 LVD
· SPI-4 Ultra-320 LVD
· SE (single-end) wide and ultra-wide applications.
This cable is backward-compatible with all 68-pin SCSI types.
The standard length of this cable is 26 inches.
The last connector is available to attach a terminator,
however a terminator is NOT included as part of the cable.
For 50-pin internal cables, see product series 5011 to 5017.
Diagram:
DH68MR DH68MR DH68MR DH68MR DH68MR
TR HDD HDD HDD Controller
---. ---. ---. ---. ---.
|::|====|::|==xxxx==|::|==xxxx==|::|==xxxxxxxxxx====|::| 68
|::|====|::|==xxxx==|::|==xxxx==|::|==xxxxxxxxxx====|::|
|::|====|::|==xxxx==|::|==xxxx==|::|==xxxxxxxxxx====|::|
|::|====|::|==xxxx==|::|==xxxx==|::|==xxxxxxxxxx====|::|
|::|====|::|==xxxx==|::|==xxxx==|::|==xxxxxxxxxx====|::|
|::|====|::|==xxxx==|::|==xxxx==|::|==xxxxxxxxxx====|::| 01
---' ---' ---' ---' ---'
-2- = 6 In = = 6 In = = 16 Inches =
For Ultra-Wide SCSI card and three devices, plus a terminator.
Specifications:
Length:
16 Inches from card to 1st device
6 inches to 2nd and 3rd devices
2 inches to terminator.
Capacitance:
11 pF/ft (G-S)
15 pF/ft (G-S-G)
Impedance:
86 Ohms (G-S-G) SE
115 Ohms (G-S) Diff.
Propagation Delay:
1.56 ns/ft
0.035 ns/ft max. skew
We can custom-build this cable to your dimensions.
For more information about SCSI, see our SCSI White Paper.
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