
IP175C/IP175C LF/IP175CH/IP175CH LF
Data Sheet
14/111
Mar 09, 2007
Copyright © 2004, IC Plus Corp.
IP175C/IP175CH-DS-R14
Pin description (continued)
Pin No.
Label
Type
Description
MII pins used as initial setting (the setting is latched at the end of reset)
69
FILTER_RSV _DA
IPL
Filter packets with reserved DA (0180c20002~f)
1: Filter the packets
0: Forward the packets (default)
It is valid only if p4ext is pulled LOW.
66
LONG_PKT
IPL
Max forwarded packet length
1: 1552 bytes
0: 1536 bytes (default)
It is valid only if p4ext is pulled low.
65
AGING
IPH2
Address aging enable
1: enable, aging time is around 280s (default),
0: disable
It is recommended to disable the aging function, if port-locking
function is enabled.
It is valid only if p4ext is pulled low.
64
P4_HIGH
IPL2
Port4 is set to be high priority port
1: enable,
0: disabled (default)
Packets received from port4 are handled as high priority packets
if the feature is enabled.
It is valid only if p4ext is pulled low.
63
COS_EN
IPL2
Class of service enable
1: enable
0: disabled (default)
Packets with high priority tag are handled as high priority
packets for all ports if the feature is enabled.
It is valid only if p4ext is pulled low.