Connect Tech JB0 Uživatelský manuál stáhnout pdf (Strana 31)

Titan/cPCI User’s Manual, Connect Tech Inc.

Revision 1.01 27

TxD

TxD +

RxD -

TxD -

RxD +

Titan/cPCI Rear I/O Opto

RS-422/485 Line Bias/Termination

RxD

RTS

RTS +

CTS -

RTS -

CTS +

CTS

PCI 954

UART

150 Ω

1.8K Ω

+5 V

150 Ω

1.8K Ω

+5 V

150 Ω

JA4, JB4, JC4, JD4

150 Ω

JA3, JB3, JC3, JD3

JA8, JB8, JC8, JD8

JA7, JB7, JC7, JD7

JA6, JB6, JC6, JD6

JA5, JB5, JC5, JD5

10K Ω

DTR

JA3, JB3, JC3, JD3

Figure 8: RS-422/485 partial schematic for Rear I/O Opto

Note

Line bias/termination is jumper selectable

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Connect Tech JB0 Uživatelský manuál Strana 31