2-10
Installation
Figure 2-7 Parallel Port Pinouts
2.4.4 Installing an External Serial Port Device
The notebook contains an external RS-232 serial port with a 9-pin, male DB-9 connector
as shown in Figure 2-10 (25-pin cables require the use of an adapter for use with the
9-pin port). The serial ports are used to interconnect such devices as:
♦
External Modem
♦
Serial Mouse
♦
Serial Printer
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
SIGNAL
SPP Mode
STB*
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
ACK*
BUSY
PE
SLCT
AFD*
ERR*
Ground
INIT*
SLIN*
Note:
* Denotes
Active Low
Strobe*
Data Bit 0
Data Bit 1
Data Bit 2
Data Bit 3
Data Bit 4
Data Bit 5
Data Bit 6
Data Bit 7
Acknowledge*
Paper Out
Busy
Auto Line Feed*
Select
Error*
Initialize Printer*
Select In*
LPT 18
LPT18
VCC
VCC
PLP120
PLP121
PLP122
26
Ground
PLP121
PLP122
PLP120
FDD 5V
FDD 5V
FDD 5V
FDD 5V
LP125
LP125
PARALLEL PORT PINOUTS
Содержание Extensa 900 Series
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