In tro duc ti on
Rou ter of the PABX el meg T444 / el meg T484
The PABX el meg T444 / el meg T484 is equip ped with an in te gra ted rou ter. You can pro vi de ac cess to the In ter net and
net work se ve ral PC via this rou ter.
What is a rou ter?
A rou ter al lows LAN clients (com pu ters, PC wit hin a net work) of one net work (LAN) to ob tain ac cess to a dif fe rent
net work, for ex am ple In ter net. Ac cess to the In ter net is made avai la ble by va ri ous In ter net ser vi ce pro vi ders (ISP).
In this pro cess, the rou ter se ar ches for a path on which data can be ex chan ged bet ween the LAN clients in the lo cal
net work and the In ter net. Lin king to the In ter net can be car ried out via an xDSL and / or an ISDN con nec ti on.
Rou ter of the PABX sys tem
The PABX sys tem rou ter is equip ped with a WAN/xDSL and a LAN port). The PABX sys tem is con nec ted to anot her
net work, for ex am ple the In ter net, via the WAN/xDSL port. You can hook up a DSL or ca ble mo del for con nec ti on to
the In ter net.
The LAN ports are for your lo cal net work. Here, you can di rect ly con nect up to two PCs equip ped with built-in net -
work cards. If you wish to net work more than two PCs you can do this using an ad di tio nal HUB / Switch, Ho mePN
(op tio nal mo du le, not in clu ded in stan dard supp ly sco pe of sys tem), or a USB port.
LAN1 sets it self au to ma ti cal ly (from 10 Mbit/s half-du plex up to 100 Mbit/s full du plex) to the ma xi mum data trans -
fer rate of the re mo te lo ca ti on (PC).
The se PCs are also part of your lo cal net work and can, for ex am ple, ex chan ge fi les or take ad van ta ge of the In ter net
con nec tions via the rou ter. All LAN clients that are lin ked are in te gra ted into the lo cal net work via the TCP/IP pro to -
col.
Furt her PCs can be lin ked to your net work via RAS- ac cess. Here, the IP ad dress is al ways as sig ned by the te le pho ne
sys tem, even when the DHCP ser ver is de-ac ti vat ed. Un der “Ad dress as signment” in the con fi gu ra ti on pro gram you
can de-ac ti va te the DHCP ser ver and in put the star ting ad dress for RAS. The fol lo wing 11 IP ad dres ses are then au to -
ma ti cal ly re ser ved for RAS.
Using the Re mo te Ac cess Ser ver (RAS) a field re pre sen ta ti ve, for ex am ple, can call into the lo cal net work from an ex -
ter nal lo ca ti on and then via the lo cal net work ac cess the In ter net. Ac cess from an ex ter nal lo ca ti on is only pos si ble via
an ISDN con nec ti on. Ex ter nal ac cess is pro vi ded with user-name and pass word pro tec ti on. If the call is made from an
ex ter nal lo ca ti on only, the pho ne num ber can also be mo ni to red as an ad ded pro tec ti on fea tu re. Note that this ac cess
por tal is not pro tec ted by a fi re wall!
Note
Plea se note the furt her in struc tions gi ven in the operator’s ma nu al of the PABX sys tem for con nec ting a pcs.
Which In ter net con nec tions are sup por ted?
You can set up a con nec ti on to the In ter net with your PABX sys tem as fol lows:
· Dial-up con nec tions via ISDN (using PPP pro to col, with one or two ISDN B chan nels, i.e. at 64 kbit/s or 128
kbit/s).
The se ty pes of con nec tions re qui re ac cess data with the num ber to be di aled, the user name and pass word
and, in some ca ses, ot her in for ma ti on such as the IP ad dress of the name ser ver and any in for ma ti on about
the data com pres si on method that is used (VJH).
· Using xDSL (for ex am ple ADSL - T-DSL) in con juncti on with a DSL mo dem that is com pa ti ble with your
ISP via PPPoE.
The se con nec tions re qui re your user name and pass word as access data.
Rou ter of the PABX el meg T444 / el meg T484 In tro duc ti on
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