Force Computers Centellis CT 16000 Series, Руководство пользователя

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Chassis Layout and Interconnection Centellis CT Series 16000 User’s Manual
Page 16 20000325 420 000 AB
3.2.1 Serial COM Port Devices
There are two serial com ports: Com 1 and Com 2. Com 1 is located on the front and rear panels of
the Centellis chassis, while Com 2 is only found on the chasis rear. Serial devices that may be at-
tached to these ports include printers, terminals, and modems. Figure 7 shows the pin configura-
tion of the COM ports. Table 3 provides the function and signal type of each COM port connector
pin.
CAUTION
!
Simultaneously using both the front and rear panel I/O connectors may cause system
damage.
Figure 7: Serial COM Connector and Pins
Table 3:
Rear COM1 & COM2 Serial Connector
Pin Function Descriptions
1
DCD Data Carrier Detect
2 RxD Receive Data
3
TxD Transmit Data
4 DTR Data Terminal Ready
5
GND Ground
6 DSR Data Send Ready
7
RTS Request to Send
8 CTS Clear to Send
9
RIN Ring Indicator
Com 1 and Com 2
5 1 4
9
3 2
8 7 6