The two pri mary se rial ports, COM1 and COM2 are con fig ur able for RS- 422, RS- 485 or J1708,
with the ad di tion of op tional driver ICs. The con figu ra tion op tions for each of the sup ported modes are
shown on the fol low ing pages.
COM1 - RS- 232
COM2 - RS- 232
COM3/COM4 - RS- 232
COM3 and COM4 are RS- 232 only and are ter mi nated at J2. An adapter ca ble is avail able from
Win Sys tems ( P/N CBL- 173-1), which adapts J2 to two stan dard DB9M con nec tors. The pin defi ni
-
tions for J2 are shown here :
991206
OPERATIONS MANUAL LBC-Plus
Page 2 - 7
WinSystems - "The Embedded Systems Authority"
1 2 3
o o o
1 2 3
o o o
U3 - In stalled
U4 - Not In stalled
U8 - Not In stalled
1 o o 6
2 o o 7
3 o o 8
4 o o 9
5 o
J8
J10
COM1 DB9
CD
RX Data
TX Data
DTR
GND
DSR
RTS
CTS
RI
1 2 3
o o o
1 2 3
o o o
U5 - In stalled
U6 - Not In stalled
U9 - Not In stalled
J9
J11
COM2 DB9
CD
RX Data
TX Data
DTR
GND
DSR
RTS
CTS
RI
1 o o 6
2 o o 7
3 o o 8
4 o o 9
5 o
1 o o 2
3 o o 4
5 o o 6
7 o o 8
9 o o 10
11 o o 12
13 o o 14
15 o o 16
17 o o 18
19 o o 20
COM3 DCD
COM3 RX
COM3 TX
COM3 DTR
GND
COM4 DCD
COM4 RX
COM4 TX
COM4 DTR
GND
COM3 DSR
COM3 RTS
COM3 CTR
COM3 RI
N/C
COM4 DSR
COM4 RTS
COM4 CTS
COM4 RI
N.C
J2
Содержание LBC- 486Plus
Страница 81: ...8 APPENDIX C LBC Plus Parts Placement Guide Top 991206 OPERATIONS MANUAL LBC Plus Page 8 1 ...
Страница 83: ...9 APPENDIX D LBC PLUS Mechanical Drawing ...
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Страница 85: ...10 APPENDIX E WS16C48 I O Routines and Sample Program Listings ...