Appendix. C  Pin Assignment  Appendices 
Satellite A50S/TECRA A3X  Maintenance Manual (960-534)                [CONFIDENTIAL]  C-15 
Table C-6  Docking I/F connector (240-pin)(4/4) 
Pin No.  Signal name  I/O  Pin No.  Signal name  I/O 
181 DCOUT  I  182  DCOUT  I 
183 DSSDA-S5P  I/O  184  IF-P5V  I 
185 Reserved  -  186  N.C.  - 
187 GND  -  188  N.C.  - 
189 USBP2-S3P  I/O  190  USBP2-S3N  I/O 
191 GND  -  192  N.C.  - 
193 N.C.  -  194  DOUTR-PXP  I/O 
195 DOUTR-PXN  I/O  196  DOUTL-PXN  I/O 
197 DINL-PXN  I/O  198  DINR-PXP  I/O 
199 GND  -  200  RXD-PYN  O 
201 RTS-PYP  I  202  CTS-PYP  O 
203 DTR-PYP  I  204  SELCT-P5P  O 
205 BUSY-P5P  O  206  ACK-P5N  O 
207 PDB05-P5P  I/O  208  GND  - 
209 GND  -  210  PDB03-P5P  I/O 
211 SLIN-P5N  I  212  PINIT-P5N  I 
213 ERROR-P5N  O  214  AUTFD-P5N  I 
215 (DPREQ-P3N)  -  216  (DAD31-P3P)  - 
217 GND  -  218  (DAD29-P3P)  - 
219 (DAD27-P3P)  -  220  (DAD25-P3P)  - 
221 GND  -  222  (DCBE23-P3N)  - 
223 (DAD23-P3P)  -  224  (DAD21-P3P)  - 
225 GND  -  226  (DCPCLR-P3P)  - 
227 (DAD19-P3P)  -  228  (DAD17-P3P)  - 
229 GND  -  230  (DFRAME-P3N)  - 
231 (DIRDY-P3N)  -  232  (DDEVSL-P3N)  - 
233 GND  -  234  ACT-E3N  O 
235 LINK-E3N  O  236  DOCDT2-S3N  O 
237 VOID  -  238  VOID  - 
239 BIDBP-EXP  I  240  BIDBN-EXN  I