Chapter 1: Specifications
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Page 9
1. SPECIFICATIONS
1.1 Technical
Specifications
Ports Performance
When a port is operating at 100Mbps:
Data Rate: 100Mbps
When a port is operating at 10 Mbps:
Data Rate: 10 Mbps
Network Standards
100Mb: Ethernet IEEE 802.3u, 100BASE-TX, 100BASE-FX
10 Mb: Ethernet IEEE 802.3, 10BASE-T
PoE:
IEEE
802.3af
Auto-sensing for speed: IEEE 802.3u
Packet-Processing Between Domains
Filter and Forward Rate from 100Mbps ports: 148,800 pps max
Filtering and Forwarding Rate from 10 Mbps ports: 14,880 pps max.
Processing type: Store and Forward, non-blocking
Auto-learning: 2K address table
Address buffer age-out time: 300 sec.
Packet buffers memory: 128KB, dynamically shared on all domains
Latency (not including packet time):
100 to 10 Mbps:
5
μ
s
10
to
100Mbps:
15
μ
s
Path Delay Value
: 50 BT on all ports
LLL(Link-Loss-Learn):
Factory default is activated on port 1 and 2
(allow to flush the internal address buffer, and qualify to use with S-
Ring and RSTP for faster recovery in ring topology)
Summary of Contents for LPH240A-H
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Page 18: ...Chapter 1 Specifications 724 746 5500 blackbox com Page 18 LPH240A H 48 shown LPH240A H shown ...
Page 30: ...Chapter 3 Installation 724 746 5500 blackbox com Page 30 Fig 3 1a LPH240A x 48VDC 48V model ...
Page 31: ...Chapter 3 Installation 724 746 5500 blackbox com Page 31 Fig 3 1b LPH240A x AC model ...
Page 56: ...LPH240A rev 1 ...