NEC N8551-28F, Инструкция по эксплуатации

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6 Built-in AIT
Setting the parity function
Set the parity function using the leftmost jumper pin on the rear of the Built-In AIT.
The parity function is “Enabled” when setting “Without strap” (factory-set value). The parity
function is “Disabled” when setting “With strap”.
Important
To improve reliability, set the parity function “Enabled” (Without strap).
Setting the Built-In AIT
- Setting with the DIP switch -
The DIP switch on the bottom of the Built-In AIT enables you to change the following settings.
• Terminator Power (Terminator power supply) (Factory-set to ON)
• DC Control (1) (Data compression setting) (Factory-set to ON)
• DC Control (2) (Data compression setting) (Factory-set to OFF)
1 2 3 4 5 6 7 8
ON
PD (Factory-set to “Without strap”)
Switches 1 to 4: Unused
Switch 5: Terminator Power
Switch 6: Unused
Switch 7: DC Control (1)
Switch 8: DC Control (2)