Nortel Networks Option 11C Manual Do Utilizador
Memory, Storage and CPU capacity
Page 27 of 544
Record the memory requirements on “Worksheet D: Unprotected memory
calculations” on page 141 and “Worksheet E: Protected memory
calculations” on page 142.
calculations” on page 141 and “Worksheet E: Protected memory
calculations” on page 142.
Network Delay
There is some impact on real-time performance (estimated to be 20%) when
digital trunks are installed in IP Expansion cabinets. However, there is still
sufficient real-time to support five fully configured Option 11C cabinets in a
typical business configuration.
digital trunks are installed in IP Expansion cabinets. However, there is still
sufficient real-time to support five fully configured Option 11C cabinets in a
typical business configuration.
Table 8
Basic LAN Requirements for Excellent Voice Quality
Basic LAN Requirements for Excellent Voice Quality
LAN requirement
Value for Excellent Voice Quality
Packet loss rate
<0.5%
PDV jitter buffer (maximum)
RTD<5 ms
Round trip Delay
<5 ms
PDV jitter buffer (minimum)
RTD<12 ms
100BaseT/F Layer 2/Layer 3 switch
Full Duplex connection