Mapping Options for the RS232 Mode

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Unlike on the DS1101 device, the DS1102 does not have an input on line 1. Hence, some of the 15 mapping options become indistinguishable from other options. Only "unique" options are shown in the table below.

 

Mapping option

Available signals

Pins on the DB9M connector

Missing

lines

#2

#3

#8

#7

#6

#4

Option 0

RX/TX/CTS/RTS/DSR/DTR

RX

TX

CTS

RTS

DSR

DTR

---

Option 2

RX/TX/CTS/RTS + RX/TX

RX

TX

CTS

RTS

RX3

TX3

rx4, tx4

Option 5

RX/TX/DSR/DTR + RX/TX

RX

TX

RX2

TX2

DSR

DTR

rx4, tx4

Option 8

RX/TX + RX/TX + RX/TX

RX

TX

RX2

TX2

RX3

TX3

rx4, tx4

Option 11

RX/TX/CTS/RTS + CTS/RTS

RX

TX

CTS

RTS

CTS4

RTS4

rx4, tx4

Option 12

RX/TX/CTS/RTS + DSR/DTR

RX

TX

CTS

RTS

DSR4

DTR4

rx4, tx4

Option 13

RX/TX/DSR/DTR + CTS/RTS

RX

TX

CTS4

RTS4

DSR

DTR

rx4, tx4

Option 14

RX/TX/DSR/DTR + DSR/DTR

RX

TX

DSR4

DTR4

DSR

DTR

rx4, tx4