Fujitsu MAF3364LC Manual/User Guide - Page 81

Cable connector requirements, SCSI Physical Interface Specifications.

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b. -WTP: Input signal (CN2-9, 10 pin) By connecting the CN2-10 pins to the GND, writing operations into the IDD disc media are set to disable. 4.3.3 Cable connector requirements Table 4.2 lists the recommended components cable connection. Table 4.2 Recommended components for connection Applicable model Name Par number LP/MP LC/MC SCSI cable (CN1) Cable socket 786090-7 (closed-end type) Signal cable - Power supply cable Cable socket (CN1) housing 1-480424-0 Contact 60619-4 Cable 60617-4 External operator Cable socket panel (CN1) housing FCN-723J012/2M Contact FCN-723J-G/AM Cable AWG26 to 34 External operator Cable socket panel (CN2) housing FCN-723J016/2M Contact FCN-723J-G/AM Cable AWG28 SCSI connector (CN1) Connector 787311-1 Manufacturer AMP - AMP Fujitsu Limited Fujitsu Limited Fujitsu Limited Fujitsu Limited AMP Reference (Figures 4.25 and 4.30) S1 S2 S3 S4 (1) SCSI cable See Section 1.3, "Physical Requirements", and Section 1.4, "Electrical Requirements", in SCSI Physical Interface Specifications. (2) Power cable IDDs must be star-connected to the DC power supply (one to one connection) to reduce the influence of load variations. (3) DC ground The DC ground cable must always be connected to the IDD because no fasten terminal dedicated to SG is provided with the IDD. Therefore, when SG and FG are connected in the system, it is necessary to connect SG and FG at the power supply or to connect SG of the power supply to FG of the system. 4 - 28 C141-E064-03EN

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C141-E064-03EN
4 - 28
b.
–WTP: Input signal (CN2-9, 10 pin)
By connecting the CN2-10 pins to the GND, writing operations into the IDD disc media
are set to disable.
4.3.3
Cable connector requirements
Table 4.2 lists the recommended components cable connection.
Table 4.2
Recommended components for connection
Applicable
model
Name
Par number
Manufacturer
Reference
(Figures 4.25
and 4.30)
LP/MP
SCSI cable (CN1)
Cable socket
(closed-end type)
786090-7
AMP
S1
Signal cable
—
—
Power supply cable
(CN1)
Cable socket
housing
1-480424-0
AMP
S2
Contact
60619-4
Cable
60617-4
External operator
panel (CN1)
Cable socket
housing
FCN-723J012/2M
Fujitsu Limited
S3
Contact
FCN-723J-G/AM
Fujitsu Limited
Cable
AWG26 to 34
External operator
panel (CN2)
Cable socket
housing
FCN-723J016/2M
Fujitsu Limited
S4
Contact
FCN-723J-G/AM
Fujitsu Limited
Cable
AWG28
LC/MC
SCSI connector
(CN1)
Connector
787311-1
AMP
(1)
SCSI cable
See Section 1.3, “Physical Requirements”, and Section 1.4, “Electrical Requirements”, in
SCSI Physical Interface Specifications.
(2)
Power cable
IDDs must be star-connected to the DC power supply (one to one connection) to reduce the
influence of load variations.
(3)
DC ground
The DC ground cable must always be connected to the IDD because no fasten terminal
dedicated to SG is provided with the IDD.
Therefore, when SG and FG are connected in the
system, it is necessary to connect SG and FG at the power supply or to connect SG of the
power supply to FG of the system.