Quatech MPAP-100 user manual Null-modem cables

Models: MPAP-100

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19.3 Null-modem cables

1

 

 

CGND

 

 

2

 

X

TXD

BA

TxDA pin

3

X

 

RXD

BB

RxDA pin

4

 

X

RTS

CA

RTSA pin

5

X

 

CTS

CB

CTSA pin

6

X

 

DSR

CC

DCDB pin

7

 

 

DGND

AB

 

8

X

 

CD

CF

DCDA pin

9

 

 

N/C

 

 

10

X

 

SYNCA

*

SYNCA pin

11

 

X

RXCLK (DTE)

*

RTxCA or TRxCB pin

12

 

 

N/C

 

 

13

 

 

N/C

 

 

14

 

 

N/C

 

 

15

X

 

TXCLK (DCE)

DB

TRxCA pin

16

 

 

N/C

 

 

17

X

 

RXCLK (DCE)

DD

RTxCA pin

18

 

X

LLBK

LL

Comm. Reg. bit 5

19

 

 

N/C

 

 

20

 

X

DTR

CD

DTR/REQA pin

21

 

X

RLBK

RL

Comm. Reg. bit 4

22

X

 

RING

CE

PCMCIA STSCHG signal

23

 

 

N/C

 

 

24

 

X

TXCLK (DTE)

DA

TRxCA pin

25

X

 

TEST MODE

TM

Comm. Reg. bit 7

* Not included in the official RS-232-D specification

Table 17 --- Connector Pin Definitions

19.3 Null-modem cables

The MPAP-100 does not use a standard asynchronous PC serial port connector pinout. Typical off-the-shelf null-modem cables cannot be used with this card!

Page 56
Image 56
Quatech MPAP-100 user manual Null-modem cables