CTC Union ET100A Manual de usuario descargar pdf (Pagina 22)

ET100 LAN-WAN Bridge

d. X.21 INTERFACE PIN ASSIGNMENT

PIN CIRCUIT FUNCTION DIRECTION CCITT

1 FGND Protective GND 101

2 T(A) Xmit data A OUT 103

3 R(A) Receive data A IN 104

4 C(A) Request to send A OUT 105

7 GND Signal ground 102

8 I(A) Data carrier detect A

IN 109

9 S(B) Receive clock B IN 115

10 I(B) Data carrier detect B IN 109

14 T(B) Xmit data B OUT 103

16 R(B) Receive data B IN 104

17 S(A) Receive clock A IN 115

19 C(B) Request to send B OUT 105

Table 10: X.21 INTERFACE PIN ASSIGNMENT

SW2-1/2-2 ON/OFF

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 33 34

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CTC Union ET100A Manual de usuario Pagina 22