HP t5400 Troubleshooting Guide: HP t5400 Thin Client - Page 23

Serial Port Jumper Locations on the System Board, on Serial, CAUTION

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Table 2-2 COM Port Functionality (continued) pin # COM1 (Standard) COM2-Cable Connection (Customized) COM3 (Customized) pin 8 CTS RXD/TXD/RXD (TTL)/ CTS TXD (TTL) pin 9 RI TXD/RXD/TXD (TTL)/ RI RXD (TTL) COM4 (Customized) CTS RI CAUTION: To prevent severe equipment damage, carefully verify the location of the COM Port Jumper before you configure it. See Figure 2-4 Serial Port Jumper Locations on the System Board on page 13 for locations. NOTE: The jumpers in the following table are in the same orientation illustrated in Figure 2-4 Serial Port Jumper Locations on the System Board on page 13. Table 2-3 Configuring Serial Port Power Configuring Powered Serial Ports 15

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Table 2-2
COM Port Functionality (continued)
pin #
COM1
(Standard)
COM2–Cable
Connection
(Customized)
COM3
(Customized)
COM4
(Customized)
pin 8
CTS
RXD/TXD/RXD (TTL)/
TXD (TTL)
CTS
CTS
pin 9
RI
TXD/RXD/TXD (TTL)/
RXD (TTL)
RI
RI
CAUTION:
To prevent severe equipment damage, carefully verify the location of the COM Port
Jumper before you configure it. See
Figure
2
-
4
Serial Port Jumper Locations on the System Board
on page
13
for locations.
NOTE:
The jumpers in the following table are in the same orientation illustrated in
Figure
2
-
4
Serial
Port Jumper Locations on the System Board
on page
13
.
Table 2-3
Configuring Serial Port Power
Configuring Powered Serial Ports
15