HP vc4825T HP vc4820T/vc4825T Thin Clients Hardware Reference Guide - Page 26

WARNING, CAUTION, General Hardware Installation Sequence, on Table

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Item 5 6 7 8 9 10 Jumper COM3 JP1 COM3 JP2 COM3 JP3 COM4 JP1 COM4 JP2 COM4 JP3 Before beginning the configuration process, review General Hardware Installation Sequence on page 11 for procedures you should follow before and after installing or replacing hardware. WARNING! Before removing the side access panel, ensure that the thin client is turned off and the power cord is disconnected from the electrical outlet. To configure the serial ports: 1. Locate the serial port and jumper. 2. Place jumpers on the appropriate pins. (See Table 2-3 Configuring Serial Port Power on page 21 to determine the appropriate pins.) CAUTION: An unsupported configuration can cause severe equipment damage. Carefully verify COM Port Jumper locations and supported configurations before you configure a serial port. See Figure 2-10 Serial Port Jumper Locations on the System Board on page 19 and Table 2-3 Configuring Serial Port Power on page 21 for Jumper locations and supported configurations. Table 2-1 COM Port Default Configuration pin # COM1 COM2 COM3 COM4 pin 1 DCD +5V +5V +5V pin 2 RXD RXD RXD RXD pin 3 TXD TXD TXD TXD pin 4 DTR DTR DTR DTR pin 5 GND GND GND GND pin 6 DSR DSR DSR DSR pin 7 RTS RTS RTS RTS pin 8 CTS RXD (TTL) CTS CTS pin 9 RI TXD (TTL) RI RI 20 Chapter 2 Hardware Changes ENWW

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Item
Jumper
5
COM3 JP1
6
COM3 JP2
7
COM3 JP3
8
COM4 JP1
9
COM4 JP2
10
COM4 JP3
Before beginning the configuration process, review
General Hardware Installation Sequence
on page
11
for procedures you should follow before and after installing or replacing hardware.
WARNING!
Before removing the side access panel, ensure that the thin client is turned off and the
power cord is disconnected from the electrical outlet.
To configure the serial ports:
1.
Locate the serial port and jumper.
2.
Place jumpers on the appropriate pins. (See
Table
2
-
3
Configuring Serial Port Power
on page
21
to determine the appropriate pins.)
CAUTION:
An unsupported configuration can cause severe equipment damage. Carefully verify
COM Port Jumper locations and supported configurations before you configure a serial port.
See
Figure
2
-
10
Serial Port Jumper Locations on the System Board
on page
19
and
Table
2
-
3
Configuring Serial Port Power
on page
21
for Jumper locations and supported configurations.
Table 2-1
COM Port Default Configuration
pin #
COM1
COM2
COM3
COM4
pin 1
DCD
+5V
+5V
+5V
pin 2
RXD
RXD
RXD
RXD
pin 3
TXD
TXD
TXD
TXD
pin 4
DTR
DTR
DTR
DTR
pin 5
GND
GND
GND
GND
pin 6
DSR
DSR
DSR
DSR
pin 7
RTS
RTS
RTS
RTS
pin 8
CTS
RXD (TTL)
CTS
CTS
pin 9
RI
TXD (TTL)
RI
RI
20
Chapter 2
Hardware Changes
ENWW