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Jumpers Configuration
1.4.1 Default Setting
The factory-set (see following table) configuration of the boards is
indicated.
The jumpers location can be obtained from the insertion diagram
(Fig.1.4.1). In the following the jumpers are displayed from the
view of the user, when the board is located in front of him with the
VMEbus connectors to the right (and components on top).
An inserted jumper corresponds to the ’0’(low) level of a signal.
Default jumper setting BR1 to BR50 :
jumper
function
setting
BR1
addresses A8...A15
base board address
BR2
addresses A16...A23
ASIO16:
$800000
BR3
address modifier AM
AM2=don’t care, i.e.
access in the supervisory
or user mode (A24)
BR4
VMEbus interrupt
interrupt level IRQ4
level
inserted
BR5-BR8
selection of the
inserted, i.e. the TTY
power supply of
interfaces are supplied
the TTY interface
via the VMEbus
BR33...BR40
handshake mode
’DTR handshake’
BR43...BR50
DTR, TXD - to
all channels to RS-232
RS-232 or TTY
operation
BR53...BR56
CTS, RXD - to
all channels to RS-232
RS-232 or TTY
operation
Table 1.4.1:
Default Jumper Setting
VME-ASIO16 Rev. 1.7
14
Summary of Contents for VME - ASIO16
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