IBASE Technology IB887, Руководство пользователя, Страница: 14 / 62

INSTALLATIONS
JP5, JP6, JP7: RS232/422/485 (COM2) Selection
COM1 is fixed for RS-232 use only. COM2 is selectable for RS232,
RS-422 and RS-485.The following describes the settings for COM2.
COM2
Function
RS-232 RS-422 RS-485
Jumper
Setting
(pin closed)
JP7:
1-2
JP6:
3-5 & 4-6
JP5:
3-5 & 4-6
JP7:
3-4
JP6:
1-3 & 2-4
JP5:
1-3 & 2-4
JP7:
5-6
JP6:
1-3 & 2-4
JP5:
1-3 & 2-4
COM2 is jumper selectable for RS-232, RS-422 and RS-485.
Pin # Signal Name
RS-232 R2-422 RS-485
11 DCD TX- DATA-
13 RX TX+ DATA+
15 TX RX+
NC
17 DTR RX- NC
19 Ground Ground Ground
12 DSR
NC NC
14 RTS NC NC
16 CTS NC NC
18 RI NC NC
20 NC NC NC
10 IB887 User’s Manual