Bridge characteristics, Performance, Approvals – 3Com 520 User Manual
Page 72: Bridge characteristics b-2, Performance b-2, Approvals b-2
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Bridge Characteristics
■
802.3 MAC layer bridge.
■
802.1D spanning tree algorithm.
■
Support for bridge triangulation and link load
sharing.
Performance
■
LAN filtering rate: 10000 frames per second.
■
LAN forwarding rate: 4000 frames per second.
ISDN and WAN forwarding rates are dependent on
the link speed.
Approvals
This product ostensibly complies with the
electro-magnetic compatibility (EMC) requirements
of EN 55022 Class A and EN 50082 (susceptibility).
However, to fully comply with Class B of EN55022 the
following prerequisites should be observed:
■
The WAN port must be attached to a screened digital
cable.
■
The ISDN cable must be used in conjunction with a
three turn ferrite.
The product carries the
CE
certification mark to
indicate conformance with the following EU directives:
■
LVD (Low Voltage Directive (Safety) 73/23/EEC.
■
EMC (Electro Magnetic Compatibility) Directive
89/336/EEC.
■
TTE (Telecommunication Terminal Equipment)
Directive 91/263/EEC.
The product conforms to I-CTR3 (based on NET3 –
ISDN interface).
Rc.bk : RCAPPB.FRM Page 2 Thursday, July 10, 1997 9:53 AM