Motorola MVME712-12 用户手册
Hardware Preparation and Installation
2-6
MVME712-12/-13/A/AM/B Transition Modules and LCP2 Adapter Board UserÕs Manual
2
DSR Line Pull Up Select Headers (J8, J9, J13, J14)
Headers J8, J9, J13, and J14 are used to pull up the external DSR lines of the
serial ports (J1, J3, J4, J5) to a high (+12 Vdc) level when terminals are
connected and DSR is to be used as a constantly activated output from the
MVME712x. The as-shipped configuration is shown below.
serial ports (J1, J3, J4, J5) to a high (+12 Vdc) level when terminals are
connected and DSR is to be used as a constantly activated output from the
MVME712x. The as-shipped configuration is shown below.
J8
1
2
3
DCE
DTE
J9
1
2
3
DCE
DTE
J13
1
2
3
DCE
DTE
J14
1
2
3