Quadro Quadro16xi Installation Guide Page 11

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Quadro Manual II: Administrator's Guide Administrator’s Menus
Quadro2x, 2xi, Quadro4x, 4xi, Quadro16x, 16xi; (SW Version 5.2.x) 10
The Min Data Rate text field requires the amount of upstream bandwidth that ought to remain for data applications even if voice applications use the
entire available upstream bandwidth. The value selected here needs to be smaller than the upstream bandwidth and is measured in kbit/s.
The WAN IP Configuration page is only displayed if Ethernet or
PPTP has been selected to be the uplink protocol. It offers the
following components:
The Assign automatically via DHCP radio-button selection switches
to automatic retrieval of the WAN IP address from a DHCP server at
the ISP/uplink.
Please Note: DHCP referred to here is the one that runs on the
provider’s side and not the Quadro’s personal DHCP server.
The Assign Manually radio-button switches to the manual
adjustment of IP settings. This selection requests the following
parameters:
IP Address requires the IP address for the Quadro WAN interface.
Subnet Mask requires the subnet mask for the Quadro device WAN
interface.
Default Gateway requires the IP address of the router where all
packets are to be sent to, for example, to the router of the provider.
Fig. II-9: Internet Configuration Wizard - WAN IP Configuration page
The WAN Interface Configuration page may be used to modify the
MAC address of the Quadro. This might be necessary if the ISP
(Internet Service Provider) requires a specified MAC address, for
example, for authentication. This page offers the following
components:
MAC Address Assignment manipulation radio-buttons:
This Device turns to the default MAC address of the Quadro.
User Defined requires user defined MAC Address.
The MTU drop down list allows you to select the maximum packet
size on the Ethernet (in bytes). MTU is used to fragment the packets
before transmitting them to the network. The MTU preferred value is
dependent on the Ethernet connection. The default MTU size is 1500
Bytes for Ethernet and 1400 Bytes for PPPoE.
Fig. II-10: Internet Configuration Wizard - WAN MAC Address Configuration page
Needed Bandwidth for IP Calls
The bandwidth required by an IP call depends on the codecs used and these specifications are listed in the tables below:
Required Bandwidth for Standard Packets:
Needed bandwidth in kbit/s using the Codecs: Packet
Size in
msec.
G.711u/G.711
a
G.726-16 G.726-24 G.726-32 G.726-40 G.729a
iLBC-
13.33
G.722 G.722.1
10 105 58 66 74 82 50 - 105 74
20 84 37 45 53 61 29 - 84 53
30 76 30 38 45 53 22 27 76 45
40 74 27 34 42 50 19 - 74 42
50 71 25 32 40 48 17 - 71 40
60 67 22 30 37 45 15 20 67 37
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