Physical Ports
2 slots for 10/100 Mbps I/O modules
2 slots for Gigabit Ethernet SFP uplinks
I/O Modules
12-port 10/100 Base-T
8-port 100 Base-FX
4-port 100 Base-FX
6-port 10/100 Base-T with memory
configuration slot
4-port 100 Base-FX with memory
configuration slot
8-port 10/100 Base-T and 2-port 100 Base-FX
LED
1 red/green LED showing system status
2 green LEDs showing each power input status
2 green LEDs showing link activity of SFP ports
Capacity & Performance
Address Table Size – 8000 MAC Addresses
1024 VLANs Supported
8 Hardware Queues/Port
VLAN Spanning Tree (802.1S)
– 4 Instances Supported
802.3AD Link Aggregation
– 8 ports per trunk group, 6 groups supported
Main memory: 256 MB
Flash memory: 32 MB
Physical Specifications
Dimensions (H x W x D):
8.89 cm x 33.86 cm x 18.41 cm
(3.5” x 13.33” x 7.25”)
I/O Module Dimensions:
4.57 cm x 10.7 cm x 11.4 cm (1.8” x 4.21” x 4.5”)
Weight:
I3H252-12TX
4.35 kg (9.57 lbs)
I3H252-4FXM
4.33 kg (9.53 lbs)
I3H252-4FX-MEM
4.34 kg (9.55 lbs)
I3H252-6TX-MEM
4.34 kg (9.55 lbs)
I3H252-8FXM
4.43 kg (9.75 lbs)
I3H252-8TX-2FX
4.31 kg (9.48 lbs)
I3H-12TX
0.24 kg (0.53 lbs)
I3H-4FX-MM
0.22 kg (0.48 lbs)
I3H-4FXM-MEM
0.23 kg (0.51 lbs)
I3H-6TX-MEM
0.23 kg (0.51 lbs)
I3H-8FX-MM
0.32 kg (0.70 lbs)
I3H-8TX-2FX
0.20 kg (0.44 lbs)
MTBF
I3H252-12TX
182,146 hours
I3H252-4FXM
184,898 hours
I3H252-4FX-MEM
159,144 hours
I3H252-6TX-MEM
164,848 hours
I3H252-8FXM
164,891 hours
I3H252-8TX-2FX
177,472 hours
I3H-12TX
657,722 hours
I3H-4FX-MM
695,075 hours
I3H-4FXM-MEM
432,172 hours
I3H-6TX-MEM
819,538 hours
I3H-8FX-MM
477,350 hours
I3H-8TX-2FX
600,601 hours
Environmental Specifications
Operating Temperature:
-40° C to 60° C (-40° F to 140° F)
Storage Temperature:
-40° C to 70° C (-40° F to 158° F)
Operating Humidity:
95% Relative Humidity Non-Condensing
Power Consumption:
The I-Series accepts 24 volt DC power only. The
customer must provide DC power to the switch
or purchase the optional external DC power unit
(I3H-PWR).
Operation Shock:
50 G Trapezoidal Shock
Agency and Standards
Specifications
Standard Safety:
UL 60950-1, CSA 22.2 60950-1-03,
EN 60950-1, and IEC 60950-1
Standard EMC:
FCC Part 15 Class A, ICES-003 Class A, BSMI,
VCCI V-3, AS/NZS CISPR-22 Class A, EN 55022
Class A, EN 55024 Class A
Industrial EMC:
EN 61000-6-4, EN 61000-6-2, EN 55011
Hazardous Locations:
ANSI/ISA 12.12.01; CAN/CSA C22.2 No. 213-
M1987; EN 60079-0:2006; EN 60079-15:2005;
for use in Class 1, Division 2, Groups A, B, C,
and D
Service and Support
Enterasys Networks provides comprehensive
service offerings that range from Professional
Services to design and implement customer
networks, customized technical training, to
service and support tailored to individual
customer needs. Please contact your Enterasys
account executive for more information about
Enterasys Service and Support.
Warranty
As a customer-centric company, Enterasys is
committed to providing quality products and
solutions. In the event that one of our products
fails due to a defect, we have developed a
comprehensive warranty that protects you and
provides a simple way to get your products
repaired or media replaced as soon as possible.
The Enterasys I-Series comes with a 5 year
warranty against manufacturing defects. For
full warranty terms and conditions please go to:
www.enterasys.com/support/warranty.aspx
.
Specifications
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