User Guide

Apx. C Pin Assignments Appendices
Satellite M20 Maintenance Manual C-15
C.13 CN5 Parallel Connector (25-Pin)
Table C-13 Parallel connector pin assignments (25-Pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 STB# O 2 PDATA_R0 I/O
3 PDATA_R1 I/O 4 PDATA_R2 I/O
5 PDATA_R3 I/O 6 PDATA_R4 I/O
7 PDATA_R5 I/O 8 PDATA_R6 I/O
9 PDATA_R7 I/O 10 ACK# I
11 BUSY I 12 PE I
13 SLCT I 14 ALF# O
15 ERROR# I 16 PINIT# O
17 SLCTIN# O 18 GND -
19 GND - 20 GND -
21 GND - 22 GND -
23 GND - 24 GND -
25 GND -
C.14 CN3 Serial Connector (9-Pin)
Table C-14 Serial connector pin assignments (9-Pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 DCD I 2 RXD I
3 TXD O 4 DTR O
5 GND - 6 DSR I
7 RTS O 8 CTS I
9 RING I
C.15 CN11 DC IN Connector (4-Pin)
Table C-15 DC IN connector pin assignments (4-Pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 GND - 2 GND -
3 +VADPTR - 4 +VADPTR