CTC Union ET100A Manual de usuario descargar pdf (Pagina 21)

ET100 LAN-WAN Bridge

c. RS-449/RS-530 INTERFACE PIN ASSIGNMENT

PIN CIRCUIT FUNCTION DIRECTION CCITT

1 FGND Protective GND 101

2 SD(A) Xmit data A OUT 103

3 RD(A) Receive data A IN 104

4 RS(A) Request to send A OUT 105

5 CS(A) Clear to send A IN 106

6 DM(A) Data set ready A IN 107

7 GND Signal ground 102

8 RR(A) Data carrier detect A IN 109

9 RT(B) Receive clock B IN 115

10 RR(B) Data carrier detect B IN 109

11 TT(B) DTE Xmit clock B OUT 113

12 ST(B) Xmit clock B IN 114

13 CS(B) Clear to send B IN 106

14 SD(B) Xmit data B OUT 103

15 ST(A) Xmit clock A IN 114

16 RD(B) Receive data B IN 104

17 RT(A) Receive clock A IN 115

19 RS(B) Request to send B OUT 105

20 TR(A) Data terminal ready A OUT 108

22 DM(B) Data set ready B IN 107

23 TR(B) Data terminal ready B OUT 108

24 TT(A) DTE Xmit clock A OUT 113

Table 9: RS-449/RS-530 INTERFACE PIN ASSIGNMENT

SW2-1/2-2 OFF/OFF

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 33 34

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CTC Union ET100A Manual de usuario Pagina 21