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3.4 Connection Requirement
C156-E228-02EN 3-21
Provide switches and LEDs (required for the system) on the external
operator panel. See the recommended circuit shown in Figure 3.21.
A signal which is not set on the external operator panel connected to
CNH2 must be set using SW1. The SW1, and CNH1 corresponding
to the signal set on the external operator panel must be set to OFF
position.
For details, see Subsection 4.3.1.
Figure 3.17 shows the external operator panel connector and Table 3.4 shows the
specification of the external operator panel connector interface.
SCSI terminating register mode
N
ot assigned
N
ot assigned
*1: This signal indicates that the cartridge is in drive.
H; Exist L: None (TTL level signal)
*2: This signal is used for ejecting the cartridge from the host system
*3: For the LED, the following specification must be satisfied.
Format current: 20 mA or less
Note: The cable length must not exceed 30 cm.
Figure 3.16 External operator panel circuit example