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A.2 Reset to Factory Default
A-3
Jumper Settings
Appendix A
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).