Appendix A: Interfaces
K1297-G20 Monitor User Manual A-43X.21 Monitor Adapter Cable
X.21 Monitor Adapter Cable Interface
8
1
9
Table A–26: X.21 Monitor Pin Assignment Pin Assignment
1Cable shield (connected
with the connector hous-
ing)
9B lead (IN)
2T Tx data A (IN)
–––9
10 B lead (IN)
3C Control A (IN)
–––10
11 B lead (IN)
4R Rx data A (IN)
–––11
12 B lead (IN)
5I indic. A (IN)
–––12
13 B lead (IN)