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9.6.4.2
Mating connectors for "W" and "LW" models
The nonshielded cable connector shall be a 68 conductor connector consisting of two rows of 34 male contacts
with adjacent contacts 0.050 inches (1.27 mm) apart.
Recommended mating flat cable connector part numbers are:
Amp Model 786096-7
Amp Model 786090-7
Amp Model 749925-5
Amp Model 88-5870-294-5 W/O Strain Relief, 0.025 68es (0.68 mm, 25 mil) conductor centers, 30 AWG
Amp Model 1-480420-0
Berg 69307-012
[1]
See Figure 19.
The drive device connector is a nonshielded 68 conductor connector consisting of two rows of 34 female pins
with adjacent pins 0.050 inches (1.27 mm) apart. The connector is keyed by means of its shape (see Figure
21).
9.6.4.3
Mating connectors for "WC" and "LC" models
The nonshielded connector shall be an 80 conductor connector consisting of two rows of 40 contacts with adja-
cent contacts 0.050 inches (1.27 mm) apart. I/O connection using a cable is not recommended. The length and
size of the host equipment DC power carrying conductors from the DC power source to the host equipment 80
pin disk drive interface connector(s) should be strictly designed according to proper power transmission design
concepts. No possibility for the equipment user to attach an 80 pin cable/connector should be allowed, since
the length of the DC power carrying conductors could not be controlled and therefore could become too long
for safe power transmission to the drive. Daisy-chain 80 conductor cables should especially not be allowed,
since the power-carrying conductors on the 80 conductor interface were not intended to support a series of
drives.
Small Form Factor Specification SSF-8046, Rev. 2.7 details mating requirements.
Recommended mating 80-position PCB mount connectors:
Straight-in connector
Seagate P/N:
77678703
Amp US P/N:
2-557103-1
or
94-0680-02-1
Amp US P/N:
2-557103-2
or
94-0680-02-2
Amp Japan P/N:
5-175475-9
Right-angle to PCB connectors
Seagate P/N:
77678559
For additional information call Amp. FAX service at 1-800-522-6752.
Female, 68-pin, panel mount
Female, 68-pin, cable mount
(0.050 inches (1.27mm, 50 mil) conductor centers, 28 or 30 AWG wire). Use
two, 34 conductor, 0.050 inches (1.27 mm, 50 mil) center flat cable with this
connector. This type connector can only be used on cable ends. [1]
wire. Use either on cable ends or in cable middle section for daisy-chain
installations [1].
Power connector 4 circuit housing
12-position, 2 x 6, 2 mm receptacle housing
Hot Plug version (with ground guide-pin)
787311-1 with polarization
787311-2 without polarization
Amp US P/N:
2-557101-1
Medalist Pro Product Manual, Rev. D
Amp Japan P/N: 5-175474-9
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