Hirschmann RS20 User Manual page 123

Network load control
Workstation 1
Figure 32: Example of flow control
Flow control with a full duplex link
In the example
2 and the device.
Before the send queue of port 2 overflows, the device sends a request to
Workstation 2 to include a small break in the sending transmission.
Flow control with a half duplex link
In the example
tion 2 and the device.
Before the send queue of port 2 overflows, the device sends data back so
that Workstation 2 detects a collision and interrupts the sending process.
Basic Configuration L2P
Release 4.2 07/08
Port 1 Port 4
Switch
Port 2 Port 3
Workstation 2
(see fig. 32) there is a full duplex link between Workstation
(see fig. 32) there is a half duplex link between Worksta-
Workstation 3 Workstation 4
7.5 Flow control
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