Nortel Ethernet Routing Switch 5520-48T-PWR + EU Power Cord AL1001B05-E5 用户手册

Table 1. BayStack 5520 Switches technical specifications

Weight: 

8.4 kg (18.5 lb) for -24T-PWR, 8.8 kg (19.5 lb) for -48T-PWR

Height 

4.45 cm (1.75 in)

Width 

43.82 cm (17.25 in)

Depth 

38.74 cm (15.25 in)

Switch fabric bandwidth:

160 Gbps for the switch; Up to 1,280 Gbps for the full stack

Stacking bandwidth:

80 Gbps for the switch; Up to 640 Gbps for the full stack

Maximum data throughput:

768 Gbps for a full stack of BayStack 5520-48T-PWR

Frame forwarding rate:

71.4 Mpps (million packets per second) for the BayStack 5520-
48T-PWR and 35.7 Mpps for the BayStack 5520-24T-PWR; 
571.4 Mpps for a full stack of 8 BayStack 5520-48T-PWR units

For 10 Mbps: 

14,880 pps maximum (64-byte packets)

For 100 Mbps: 

148,810 pps maximum

For 1000 Mbps: 

1,488,100 pps maximum

Address database size:

16,000 entries at line rate (16,000 entries without flooding)

Addressing: 

48-bit MAC address

Frame length: 

64 to 1518 bytes (IEEE 802.1Q Untagged)
64 to 1,522 bytes (IEEE 802.1Q Tagged)

Jumbo frame support: 

Up to 9,216 bytes

Multi-Link Trunks: 

Up to six trunks, four members per trunk

VLANs: 

Up to 256 port- or protocol-based per VLAN Tagging option

Multiple Spanning Tree Groups: 

Up to eight STGs

10BASE-T/100BASE-TX/ 

RJ-45 (8-pin modular) connectors for Auto MDI/MDI-X 

1000BASE-T

interface 1000BASE-T with auto-polarity

The BayStack 5510 Switches support the following SFP GBICs:
1000BASE-SX 

Uses short wavelength 850 nm MTRJ or LC type fiber optic 
connectors to connect devices over multimode (275m, 
62.5um core or 550m, 50.0um core) fiber optic cable

1000BASE-LX 

Uses long wavelength 1300nm duplex LC type fiber optic 
connector to connect devices over single mode 
(10km, 9um core) fiber optic cable

1000BASE-CWDM 

Uses long wavelength 1470, 1490, 1510, 1530, 1550, 1570, 1590, 
1610nm LC type fiber optic connector to connect devices 
over single mode (40km, 9um core or 70km, 9um core) 
fiber optic cable

IEEE 802.3af compliant (Power over Ethernet)
IEEE 802.3 10BASE-T (ISO/IEC 8802 3, Clause 14)
IEEE 802.3u 100BASE-TX (ISO/IEC 8802-3, Clause 25)
IEEE 802.3u Autonegotiation on Twisted Pair (ISO/IEC 8802-3, Clause 28)
IEEE 802.3x (Flow Control on the Gigabit Uplink port)
IEEE 802.3z 1000BASE-SX and 1000BASE-LX
IEEE 802.1d MAC Bridges (ISO/IEC 10038)
IEEE 802.1p (Prioritizing)
IEEE 802.1Q (VLAN Tagging)
IEEE 802.1D Spanning Tree Protocol
IEEE 802.3ad (manual/static)
IEEE 802.3ad (LACP) 
IEEE 802.1s *
IEEE 802.1w *
IETF DiffServ