Dell PowerConnect B-DCX4S Hardware Reference Guide - Page 100

System architecture, describes the system architecture of the PowerConnect B-DCX-4S.

Page 100 highlights

A System architecture System architecture Table 16 describes the system architecture of the PowerConnect B-DCX-4S. TABLE 16 System architecture Fibre Channel Ports Up to 192 ports, universal (E_Port, F_Port, FL_Port, EX_Port, and M_Port) Control Processor Redundant (active/standby) control processor modules Scalability Full fabric architecture: 239 switches maximum Performance 1.063 Gbps line speed, full duplex 2.125 Gbps line speed, full duplex 4.25 Gbps line speed, full duplex 8.50 Gbps line speed, full duplex 10.51875 Gbps line speed, full duplex (with FC10-6 blade) Autosensing of 1, 2, 4, and 8 Gbps port speeds optionally programmable to fixed port speed, speed matching between 1, 2, 4, and 8 Gbps port speeds. Range depends on use of 4 Gbps or 8 Gbps SFPs ISL Trunking Can use up to 8 ports in a trunk group to form a 64 Gbps trunk Aggregate bandwidth 3 Tbps per chassis Switch latency FC8-16 blade:

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PowerConnect B-DCX-4S Backbone Hardware Reference Manual
53-1001808-01
System architecture
A
System architecture
Table 16
describes the system architecture of the PowerConnect B-DCX-4S.
TABLE 16
System architecture
Fibre Channel Ports
Up to 192 ports, universal (E_Port, F_Port, FL_Port, EX_Port, and M_Port)
Control Processor
Redundant (active/standby) control processor modules
Scalability
Full fabric architecture: 239 switches maximum
Performance
1.063 Gbps line speed, full duplex
2.125 Gbps line speed, full duplex
4.25 Gbps line speed, full duplex
8.50 Gbps line speed, full duplex
10.51875 Gbps line speed, full duplex (with FC10-6 blade)
Autosensing of 1, 2, 4, and 8 Gbps port speeds optionally programmable to fixed port
speed, speed matching between 1, 2, 4, and 8 Gbps port speeds. Range depends on
use of 4 Gbps or 8 Gbps SFPs
ISL Trunking
Can use up to 8 ports in a trunk group to form a 64 Gbps trunk
Aggregate bandwidth
3 Tbps per chassis
Switch latency
FC8-16 blade:
<2.1 μsec any port to any port at 8 Gbps, cut-through routing.
FC8-32 blade:
<2.1 μsec any port to any port at 8 Gbps, cut-through routing.
FC8-48 blade:
<2.1 μsec any port to any port at 8 Gbps, cut-through routing.
FA4-18 blade:
<3.6 μsec any port to any port at 4 Gbps, cut-through routing.
FR4-18i blade:
<3.6 μsec any port to any port at 4 Gbps, cut-through routing.
FX8-24 blade;
<700 ns any port to any port at 8 Gbps, cut-through routing.
FFCOE10-24 blade - CEE to CEE (different ASIC) and FCoE to FC:
<5 μsec any port to any port at 10 Gbps, cut-through routing.
Maximum frame size
2112-byte payload
Frame buffers
2048 per ASIC, dynamically allocated
Classes of service
Class 2, Class 3, Class F (interswitch frames)