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AC207-DS02-R 数据表(PDF) 17 Page - Broadcom Corporation.

部件名 AC207-DS02-R
功能描述  2.5V 10/100-TX 8-Port Repeater with Integrated Bridge
PDF  60 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  BOARDCOM [Broadcom Corporation.]
网页  http://www.broadcom.com
标志 BOARDCOM - Broadcom Corporation.

AC207-DS02-R 数据表(HTML) 17 Page - Broadcom Corporation.

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Preliminary Data Sheet
AC207
07/08/02
B roa dcom
Document
AC207-DS04-405-R
Addressing Algorithm, Routing, Learning and Aging
Page 7
ADDRESSING ALGORITHM, ROUTING, LEARNING AND AGING
ADDRESS TABLE
The address table can store up to 1K entries and each entry consists of 48-bit MAC address, 8-bit port identifier, 1-bit
indication flag and 6-bit aging timer.
Table 1: LED Connections
Signals
Events
Descriptions
LED_LN[0]
Link status/activity
Active low indicates 100M link is good. Blinking indicates 100M activity.
LED_LN[1]
Speed/partition
Active low indicates 10M link is good. Blinking indicates 10M activity.
LED_LN[2]
Display utilization on
bridge segment A
(100 Mbps)
LED_LN[2] is active low, indicating 100M utilization. Utilization indicator is not per
port basis, but rather per segment basis. The LED_D[0:7] indicates percentage
of utilization.
LED_D[0:7]
76
543
21
0
Percent Util.
non
non
85%
65%
45%
25%
12%
1%
LED_LN[3]
Display utilization on
bridge segment B
(10 Mbps)
LED_LN[3] is active low, indicating 10M utilization. Utilization indicator is not per
port basis, but rather per segment basis. The LED_D[0:7] indicates percentage
of utilization.
LED_D[0:7]
76
543
21
0
Percent Util.
non
non
non
65%
45%
25%
12%
1%
LED_LN[4]
Display collision on
bridge segment A
(100 Mbps)
LED_LN[4] is active low, indicating collision. Collision indicator is not per port ba-
sis, but rather per segment basis. The LED_D[1:7] indicates percentage of colli-
sion. However, LED_D0 only indicates collision occurrence.
LED_D[0:7]
76
543
21
0
Percent Col.
66%
32%
16%
8%
4%
2%
1%
Col.
LED_LN[5]
Display collision on
bridge segment B (10
Mbps)
LED_LN[5] is active low, indicating collision. Collision indicator is not per port ba-
sis, but rather per segment basis. The LED_D[1:7] indicates percentage of colli-
sion. However, LED_D0 only indicates collision occurrence.
LED_D[0:7]
76
543
21
0
Percent Col.
66%
32%
16%
8%
4%
2%
1%
Col.
Table 2: Content of Address Lookup Table
3130
0
V
Timer
Port#
MAC#1
MAC#2
MAC#3
MAC#4
MAC#5
MAC#6



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