Lenovo PC 300PL Technical Information Manual 6562, 6592 - Page 59

Serial Port Connectors, Infrared Port Connector Optional

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Appendix A. Connector Pin Assignments Serial Port Connectors 1 5 Figure 11. Serial Port Connector 6 9 The external interface for the serial ports consists of two, 9-pin, male, D-shell connectors (in a stacked configuration). Table 46. Pin Assignments for the Serial Port Connectors Pin Signal Name I/O Pin Signal Name I/O 1 Data carrier detect I 2 Receive data# I 3 Transmit data# O 4 Data terminal read O 5 Ground NA 6 Data set ready I 7 Request to send O 8 Clear to send I 9 Ring indicator I Infrared Port Connector (Optional) 1 5 Figure 12. Infrared Port Connector 6 9 The external interface for the optional infrared port is a 9-pin, female, D-shell connector. Table 47. Pin Assignments for the Infrared Connector Pin Signal Name Signal Definition I/O 1 IRTX Infrared transmitted data (output) O 2 Ground NA 3 Reserved NA 4 IRSL2 Infrared module select 2 O 5 IRSL1 Infrared module select 1 O 6 IRRX Infrared received data (input) I 7 VCC Input voltage (5 V) from system board NA 8 IRSL0 Infrared module select 0 O 9 NC No connect NA Appendix A. Connector Pin Assignments 47

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Appendix A.
Connector Pin Assignments
Serial Port Connectors
1
5
6
9
Figure 11. Serial Port Connector
The external interface for the serial ports consists of two, 9-pin, male, D-shell connectors (in a stacked
configuration).
Infrared Port Connector (Optional)
1
5
6
9
Figure 12. Infrared Port Connector
The external interface for the optional infrared port is a 9-pin, female, D-shell connector.
Table 46. Pin Assignments for the Serial Port Connectors
Pin
Signal Name
I/O
Pin
Signal Name
I/O
1
Data carrier detect
I
2
Receive data#
I
3
Transmit data#
O
4
Data terminal read
O
5
Ground
NA
6
Data set ready
I
7
Request to send
O
8
Clear to send
I
9
Ring indicator
I
Table 47. Pin Assignments for the Infrared Connector
Pin
Signal Name
Signal Definition
I/O
1
IRTX
Infrared transmitted data (output)
O
2
Ground
NA
3
Reserved
NA
4
IRSL2
Infrared module select 2
O
5
IRSL1
Infrared module select 1
O
6
IRRX
Infrared received data (input)
I
7
VCC
Input voltage (5 V) from system board
NA
8
IRSL0
Infrared module select 0
O
9
NC
No connect
NA
Appendix A.
Connector Pin Assignments
47