Avaya P580 - Manual (Page 33)

Avaya P550R, P580, P880, and P882 Multiservice Switch User Guide, v5.3.1 1-5
Introduction
The crossbar supports:
■
13 fabric ports (two per I/O module slot, one for the
supervisor module).
■
1.76 Gbps (in and out) on each fabric port in 50-series mode
and 2.11 Gbps (in and out) on each fabric port in Fabric
mode 2.
■
45.76 Gbps backplane capacity in Fabric mode 1 and 54.91
Gbps backplane capacity in Fabric mode 2.
■
Under-subscribed switching fabric in most configurations.
■
Single copy replication - Input frames destined for multiple
output switch ports pass through the crossbar only once and
are copied by the crossbar to each destination.
■
Hardware-assisted multicast pruning - The switch only
forwards to appropriate destination switch ports.
Avaya P880 and P882 Multiservice Switch Chassis
The Avaya P880/P882 Multiservice Switch Chassis consists of:
■
Seventeen slots (1 slot for the supervisor module and sixteen
payload slots for media modules)
■
Fan Tray
■
Up to three power supplies
■
A 33x33 crossbar switch fabric (P882 only)
Slots
The P880/P882 chassis provides seventeen slots. Slot 1 is dedicated
for a supervisor module and the remaining sixteen are payload slots.
In Fabric mode 1, the P880/P882 Chassis supports up to 15 payload
slots. Slot seventeen is unsupported in Fabric mode 1. In Fabric
mode 2, all sixteen payload slots are usable.
If a redundant supervisor is used in the chassis, the redundant
supervisor must be installed in slot 2.
Ports
With 50-Series modules, the P880/P882 Chassis supports:
■
Up to 300 10/100BASE-TX ports (RJ-45 connector,
autosensing)