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Chapter: Connectors
3.11 Serial Interfaces COM1 & COM2
The serial interfaces COM1 and COM2 are made available via two 2x5 pin connectors (JST
B10B-PHDSSLFSN, mating connector: PHDR-10VS). According to the product order, TTL level signals or
RS232 standard signals are provided.
The port address and the interrupt are set via the BIOS setup.
Description
data carrier detect
receive data
transmit data
data terminal ready
ground
page 32
Name
Pin
DCD
1
RXD
2
TXD
3
DTR
4
GND
5
Serial Interfaces COM1 & COM2
Name
6
DSR
7
RTS
8
CTS
9
RI
10
VCC
Beckhoff New Automation Technology CB2051
Description
data set ready
request to send
clear to send
ring indicator
5 volt supply
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