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IR-ETH/QH Connector B-1
Appendix B
IR-ETH/QH Interface Module
B.1 Introduction
The IR-ETH/QH interface module includes a high performance self-learning Fast
Ethernet bridge, which is connected to the LAN via a single 10BaseT or 100BaseT
port, operating in full duplex and providing offer simple and cost-effective
interconnection between 10/100BaseT LANs via VDSL links. The IR-ETH/QH
interface module also supports IEEE 802.1/Q frames, enabling VLAN applications.
The module automatically learns MAC addresses of the LAN to which it is
connected. Its LAN table stores up to 1,000 addresses with 5-minute automatic
aging.
Filtering and forwarding is performed at the maximum theoretical rate of
150,000 packets per second (wire speed). The buffer with 1 Mb DRAM can hold
170 frames with a throughput latency of one frame. The forwarding of the
broadcast and multicast messages from LAN to WAN can be disabled.
Figure B-1 shows a typical application using ASM-60 with IR-ETH/QH module.
ASM-60 ASM-60
Figure B-1. Typical Application of ASM-60 with IR-ETH/QH Module
B.2 IR-ETH/QH Connector
Figure B-2 shows the rear panel of ASM-60, equipped with IR-ETH/QH module.
Table B-1 lists the module's RJ-45 connector pinout.
A-1 2 4 5-B
:
FOR CONTINUED
TYPE AND RATING OF FUSE.
FIRE, REPLACE ONLY WITH SAME
PROTECTION AGAINST RISK O F
CAUTION
LINE
100
LINK
ACT
Figure B-2. Rear Panel of ASM-60 with IR-ETH/QH Module
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