7.4 Technical details for ipEther232.PPP
reat emphasis was placed on compatability during device design.
owever, some minor restrictions:
• ipEther232.PPP can store 20 Ethernet packets that are then transmitted
rnet side. If additional packets arrive before
oo
ws size
too large or UAP connections).
• The ARP cache can hold 20 entries. If the PPP side requires more ARP
ries, the oldest entry is deleted. This might however have an adverse
• CCP (Compression Control Protocol) is not supported.
UART
The UART supports transmission speeds between 2400 baud and 115200 baud.
Higher baud rates might result in data loss, if data is transmitted continuously.
The device uses 8 Data bits and "no parity".
G
There are, h
to the RS232 or the Ethe
memory has been freed, the packet is discarded. This is however
reported and written to the error logfile (see Config tool). The problem
only occurs if too many connections are open at the same time or t
many unacknowledged packets are sent at the same time (Windo
ent
effect on the performance.
• ipEther232.PPP principally uses the "hardware handshake".
• Should problems arise, we recommend testing the connection with Linux
PPPD.
Änderungen vorbehalten Stand 09.09.05
ipcas GmbH ipEther232 V11.01 Seite 94 von 150
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