Iei-integration NOVA-PV-D4251_D5251 v1.01 Manual do Utilizador descarregar pdf (Página 84)

NOVA-PV-D5251/D4251 5.25" SBC

Page 70

Figure 4-5: Clear CMOS Jumper

4.5.3 COM 6 Function Select

Jumper Label: JP5

Jumper Type:

8-pin header

Jumper Settings:

See

Table 4-4

Jumper Location:

See

Figure 4-6

The COM 6 Function Select jumper sets the communication protocol used by the third

serial communications port (COM 6) as RS-232, RS-422 or RS-485. The COM 6 Function

Select settings are shown in the table below.

Setting Description

Short 1-2 RS-232 (Default)

Short 3-4 RS-422

Short 5-6 RS-485

Short 5-6, 7-8 RS-485 with RTS control

Table 4-4: COM 6 Function Select Jumper Settings

1 2 ... 79 80 81 82 83 84 85 86 87 88 89 ... 178 179

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Iei-integration NOVA-PV-D4251_D5251 v1.01 Manual do Utilizador Página 84