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3Com SUPERSTACK 3 3226 User Manual

3Com SUPERSTACK 3 3226
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60 APPENDIX B: PIN-OUTS
RJ-45 Pin
Assignments
Pin assignments are identical for 10BASE-T and 100BASE-TX RJ-45
connectors.
Table 10 Pin assignments
Table 11 Pin assignments
Pin Number 10BASE-T/100BASE-TX 1000BASE-T
Ports configured as MDI
1 Transmit Data + Bidirectional Data A+
2 Transmit Data - Bidirectional Data A-
3 Receive Data + Bidirectional Data B+
4 Not assigned Bidirectional Data C+
5 Not assigned Bidirectional Data C-
6 Receive Data – Bidirectional Data B-
7 Not assigned Bidirectional Data D+
8 Not assigned Bidirectional Data D-
Pin Number 10BASE-T/100BASE-TX 1000BASE-T
Ports configured as MDIX
1 Receive Data + Bidirectional Data B+
2 Receive Data - Bidirectional Data B-
3 Transmit Data + Bidirectional Data A+
4 Not assigned Bidirectional Data D+
5 Not assigned Bidirectional Data D-
6 Transmit Data - Bidirectional Data A-
7 Not assigned Bidirectional Data C+
8 Not assigned Bidirectional Data C-
DUA1750-0AAA01.book Page 60 Friday, December 5, 2003 10:24 AM

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3Com SUPERSTACK 3 3226 Specifications

SuperStack 3 Switch 3226

Port Capacities IconPort Capacities
10/100 ports24
Dual-personality 10/100/1000 or SFP Gigabit ports2
Performance IconPerformance
bandwidth8.8 Gbps
throughput6.6 Mpps
Power Supply IconPower Supply
input voltage100-240 VAC
maximum power55 W
heat dissipation184 BTU
Memory IconMemory
flash memory16MB
processor memory32MB
packet buffer memory32MB
Operating Environment IconOperating Environment
operating temperature0° to 40°C
storage temperature-40° to 70°C
humidity10% to 90% non-condensing
Weight and Dimensions IconWeight and Dimensions
height45 mm
width440 mm
depth252 mm
weight4.3 kg

SuperStack 3 Switch 3250

Port Capacities IconPort Capacities
10/100 ports48
Dual-personality 10/100/1000 or SFP Gigabit ports2
Performance IconPerformance
bandwidth13.6 Gbps
throughput10.1 Mpps
Power Supply IconPower Supply
input voltage100-240 VAC
maximum power84 W
heat dissipation287 BTU
Memory IconMemory
flash memory16MB
processor memory32MB
packet buffer memory64MB
Operating Environment IconOperating Environment
operating temperature0° to 40°C
storage temperature-40° to 70°C
humidity10% to 90% non-condensing
Weight and Dimensions IconWeight and Dimensions
height45 mm
width440 mm
depth333 mm
weight5.3 kg
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