Nortel Networks 1000ASE-XD - Manual (Page 180)

180 Appendix A Technical specifications
209418-A
Physical dimensions
Table 46 lists physical dimensions for the BayStack 420 Switch.
Performance specifications
Table 47 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