IBM 8651RM0 Hardware Maintenance Manual - Page 101

Input/Output Ports

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Input/Output Ports The input/output (I/O) connectors are for attaching external devices, such as printers, keyboards, and displays, to the server. The I/O connectors on the server include: Two serial-port connectors One parallel-port connector One video-port connector One keyboard-port connector One auxiliary-device-port connector SCSI-port connectors Refer to the illustration in "Input/Output Connectors and Expansion Slots" on page 92 for the locations of the connectors. Serial Port: The server comes with two serial ports. (Refer to "Input/Output Connectors and Expansion Slots" on page 92 for the locations of the connectors.) These ports are used to communicate with printers, plotters, external modems, scanners, and auxiliary terminals. These ports also enable you to transfer data between computers. Serial ports can transfer data asynchronously, which means that they can transmit any number of characters at any time, with no restriction on the duration of the pauses between characters. The serial ports can transmit and receive data and commands at rates of from 300 bits per second up to 345 600 bits per second. To use a serial port at 345 600 bits per second, you need a special shielded cable. IBM Netfinity 7000 - Type 8651 93

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Input/Output Ports
The input/output (I/O) connectors are for attaching external
devices, such as printers, keyboards, and displays, to the
server.
The I/O connectors on the server include:
Two serial-port connectors
One parallel-port connector
One video-port connector
One keyboard-port connector
One auxiliary-device-port connector
SCSI-port connectors
Refer to the illustration in “Input/Output Connectors and
Expansion Slots” on page
92 for the locations of the
connectors.
Serial Port:
The server comes with two serial ports.
(Refer to “Input/Output Connectors and Expansion Slots”
on page
92 for the locations of the connectors.)
These
ports are used to communicate with printers, plotters,
external modems, scanners, and auxiliary terminals.
These ports also enable you to transfer data between
computers.
Serial ports can transfer data
asynchronously
, which
means that they can transmit any number of characters at
any time, with no restriction on the duration of the pauses
between characters.
The serial ports can transmit and receive data and
commands at rates of from 300 bits per second up to
345 600 bits per second.
To use a serial port at 345 600
bits per second, you need a special shielded cable.
IBM Netfinity 7000 - Type 8651
93