Lantronix UDS1100 User's Guide download pdf (Page 42)

7: Setup Mode: Channel Configuration

UDS1100 User Guide 42

I/F (Interface) Mode

The Interface (I/F) Mode is a bit-coded byte entered in hexadecimal notation. The

default setting is 4C.

Figure 7-2. Interface Mode

I/F Mode (4C) ? _

The following table displays available I/F Mode options:

Note: All bit positions in the table that are blank represent “don’t care” bits

for that particular option, which can be set to either a 0 or 1 value.

Table 7-1. Interface Mode Options

I/F Mode Option 7 6 5 4 3 2 1 0

RS-232C

(1)

0 0

RS-422/485 4-wire 0 1

RS-485 2-wire 1 1

7 Bit 1 0

8 Bit 1 1

No Parity 0 0

Even Parity 1 1

Odd Parity 0 1

1 stop bit 0 1

2 stop bits

(1)

1 1

(1)

2 stop bits are implemented by the software. This might influence performance.

The following table demonstrates how to build some common Interface Mode

settings:

Table 7-2. Common Interface Mode Settings

Common I/F Mode Setting Binary Hex

RS-232C, 8-bit, No Parity, 1 stop bit 0100 1100 4C

RS-232C, 7-bit, Even Parity, 1 stop bit 0111 1000 78

RS-485 2-wire, 8-bit, No Parity, 1 stop bit 0100 1111 4F

RS-422, 8-bit, Odd Parity, 1 stop bit 0101 1101 5D

Flow

Flow control sets the local handshaking method for stopping serial input/output. The

default setting is 00.

Flow (00) ? _

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 83 84

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Lantronix UDS1100 User's Guide Page 42