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A1.5 Configuration of Keep Alive Check
Menu:
2. SETUP System -> 1. Setup TCP/IP -> 9. Keep Alive Time (s)
Default: 5s
If the keep-alive check is activated by entering and saving a
value in second ticks, all TCP connections are monitored for
network-side data traffic. If there is no network traffic within the
set time, the LAN-Modem generates a keep-alive packet. If the
partner does not answer this packet, the connection is reset in
the LAN-Modem. This deletes any data still contained in the
serial in- and output buffers.
Example: During an existing connection over the internet the
DSL router drops out. After the set keep-alive time plus 2s for
two repetitions has elapsed, the LAN-Modem closes the
connection and is again ready for any other clients.
A1.6 Configuration of Link Speed
Menu:
2. SETUP System -> 8. Link Speed
Default: Autonegotiating
LAN-Modems are factory set for autonegotiation. Data
transmission speed and duplex procedure are automatically
n e g o t i a t e d w i t h t h e c o n n e c t e d s w i t c h / h u b a n d s e t
correspondingly.
In addition to autonegotiation, the LAN-MOdem as well as many
manageable switches can be configured for fixed transmission
parameters with respect to speed and duplex procedure. To
prevent communications problems (duplex mismatch), only the
following two combinations are permitted:
Subject to error and alteration
Appendix
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