Appendix; Appendix 1 Dce 9P Ind Type Connector Definition - AOpen ISDN SOHO Router User Manual

APPENDIX

APPENDIX 1 DCE 9Pin D Type Connector Definition
Pin Signal Name
3 SD, Send Data
2 RD, Receive Data
7 RS, Request to Send
8 CS, Clear to Send
6 DR, Data Set Ready
5 SG, Signal Ground
1 CD, Carrier Detect
4 ER, Data Terminal Ready
9 CI, Ring Indication
ISDN Router Manual V.1.1
5 4 3 2 1
9 8 7 6
Direction
à
DTE send data to TA
ß
TA send data to DTE
à
DTE request to send data
ß
TA inform DTE can to send data
ß
TA is ready receiving command from DTE
ß
TA signal ground (GND)
ß
TA inform DTE that has a call incoming already
à
DTE is ready, it can working now
ß
incoming ring indication
85
Description