IP113F
Preliminary Data Sheet
1.
PIN Description (continued)
Pin no.
Label
Type
Description
MC operation mode
21
LFP
IPL
Link fault pass through (LFP)
1: enable
Link status of one port is forwarded to the other port.
0: disable (default)
22
23
DIRECT_WIRE
FAST_FWD
IPL
DIRECT_
WIRE
FAST_F
WD
Function
0
0
Store and forward switch mode
(default)
0
1
Modified cut-through switch mode
1
0
Converter mode
1
1
Converter mode with
auto-change-forward function
Store and forward switch mode:
IP113F begins to forward a frame at the end of receiving a
frame completely.
Modified cut-through switch mode:
IP113F begins to forward a frame after the first 64 bytes
data received. TP port should be forced at 100M at this
mode.
Converter mode:
Incoming frames are not buffered in IP113F to achieve the
min latency. TP port should be forced at 100M at this
mode.
Converter mode with auto-change-forward function:
IP113F will change forward mode itself if it detects the
speed is different in TP port and FX port.
In converter mode, IP113F forwards IEEE802.3x pause
frame directly. In the other modes, IP113F doesn’t forward
IEEE802.3x pause frame directly, it sends out pause
frame when its internal buffer is full.
Confidential.
9/46
Aug. 20, 2003
Copyright © 2003, IC Plus Corp.
IP113F-DS-R02
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