A.2 Reset to Factory Default

A.2 Reset to Factory Default

The NIC may be restored to factory default conditions by jumper (OP2). The function of OP2 is to reconfigure NVRAM. This is done when a unit is moved from one site to another and should be restored to as “as-new” condition.

If the unit is powered up with a jumper in the OP2, the board will go into a “reset all parameters to Factory Default” state. This will be indicated by the three quick green flashes followed by the alternating red and green indications (once per second rate). This special indicator sequence means that the NVRAM parameters have been reset to factory default values. Now turn off power and shift the OP2 jumper to the default position. The unit will operate normally when you turn the power on again.

A.3 Address Select

Access to the shared memory interface by the printer can be within one of two memory address blocks. They are identified as CS1 and CS2. If just one card is used, the CS1 space is used. The address space is selected by JP2. With the jumper set to pins 1-2, CS2 is selected. With the jumper set to pins 2-3, CS1 is selected.

A.4 BUS Handshake

The bus handshake signal may be altered to match with your printer controller. Normal handshake signal is WAIT- signal (OP3 set to pins 2 and 3). Check your printer manual to determine if your controller requires the alternate handshake signal ACK/RDY- (OP3 set to pins 1 and 2).

Jumper Settings Appendix A

A-3

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Hitachi Koki USA DDC 35n user manual Reset to Factory Default, Address Select, BUS Handshake