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C141-E185 5-5
5.3 Setting Terminals
A user sets up the following terminals and SCSI terminating resistor before installing the IDD in
the system as required.
• Setting terminal: CN1 (NC model), CN2 (NP model)
Figure 5.2 shows the location of setting terminal (NP model only. For NC model, see Figure 4.13
because the setting terminal is included in SCSI connector CN1.). Figure 5.3 shows the allocation
and default settings (NP model only. For allocation of NC model, see Table B.).
CAUTION
Data loss
1. The user must not change the setting of terminals not described in this
section. Do not change setting status set at factory shipment.
2. Do not change the setting of terminals except following setting pins
during the power is turned on.
• Write protect: CN2 9-10 (NP model only)
3. To short the setting terminal, use the short plug attached when the device
is shipped from the factory.
Pin 1
Pin 23
Pin 24
CN2
Pin 2
Figure 5.2 Setting terminals location (on NP models only)