Nortel Networks 1000ASE-XD Manuel D’Utilisation

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Appendix A Technical specifications
209418-A
Physical dimensions
 lists physical dimensions for the BayStack 420 Switch.
Performance specifications
 lists performance specifications for the BayStack 420 Switch. 
Input current
1 A @ 100 VAC
0.5 A @ 240 VAC
Maximum thermal 
output
250 BTU/hr
Table 46   Physical dimensions
Parameter
Specifications
Height
1.75 in (4.5 cm)
Width
17.125 in (43.5 cm)
Depth
8.0 in (20.32 cm)
Weight
6.2 lb (2.82 kg)
Table 47   Performance specifications
Parameter
Specifications
Frame Forward Rate 
(64-byte packets)
Up to 3.2 million packets per second (pps) maximum, 
learned unicast traffic; 5.1 million packets per second (pps) 
in a stack configuration
Port Forwarding/Filtering 
Performance
(64-byte packets)
For 10 Mb/s: 14,880 pps maximum
For 100 Mb/s: 148,810 pps maximum
Address Database Size
8,000 entries at line rate
Addressing
48-bit MAC address
Frame Length
64 to 1518 bytes (IEEE 802.1Q Untagged)
68 to 1522 bytes (IEEE 802.1Q Tagged)
Table 45   Electrical parameters (continued)
Parameter
Electrical specification