3Com 1000BASE-LX GBIC Installationshandbuch - Seite 2
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Technical Specifications
1000BASE-LH70, 1000BASE-SX, 1000BASE-LX SFP Transceivers
The 1000BASE-LH70 SFP Transceiver supports a direct connection to single-mode fiber-optic cable,
the 1000BASE-SX SFP Transceiver supports a direct connection to multi-mode fiber-optic cable
and the 1000BASE-LX SFP Transceiver supports a direct connection to both. Table 1 shows the
ranges for each connection.
Table 1 Transmission Ranges
Modal
Diameter
Bandwidth
Fiber Type
(microns)
(MHz • km)
1000BASE-SX
Multimode
62.5
160
Multimode
62.5
200
Multimode
50
400
Multimode
50
500
10000BASE-LX
Multimode
62.5
500
Multimode
50
400
Multimode
50
500
Single-mode
9
-
1000BASE-LH70
Single-mode
9 core
-
Table 2 shows the optical characteristics for the transmitter and receiver for each Transceiver.
CAUTION: If using cable lengths shorter than 25 km with the 1000BASE-LH70 SFP Transceiver, you
must ensure that a single-mode fiber attenuator is used to avoid signal saturation.
Table 2 Optical Characteristics
Parameter
Symbol
Minimum
Transmitter:
Output Optical Power
Pout
-9.5
(Average)
Receiver:
Optical Input Power
PR
-17
Transmitter:
Output Optical Power
Pout
9.5
(Average)
Receiver:
Optical Input Power
PIN
-20
Transmitter:
Output Optical Power
Pout
0
(Average)
Receiver:
Optical Input Power
PIN
-24
1000BASE-T SFP Transceiver
The 1000BASE-T SFP Transceiver port uses Category 5 copper cabling with RJ-45 connectors, and
supports segment lengths of up to 100 m (328 ft), as specified in the Gigabit Ethernet standard
IEEE802.3-2000.
CE Statement (Europe)
This product complies with the European Low Voltage Directive 73/23/EEC and the EMC Directive
89/336/EEC as amended by European Directive 93/68/EEC.
Minimum
Connector
End Polish
Transmission Range
-
2 m - 220 m (6.6 ft - 721.8 ft)
-
2 m - 275 m (6.6 ft - 902.3 ft)
-
2 m - 500 m (6.6 ft - 1640.5 ft)
-
2 m - 550 m (6.6 ft - 1804.6 ft)
-
2 m - 550 m (6.6 ft - 1804.6 ft)
-
2 m - 550 m (6.6 ft - 1804.6 ft)
-
2 m - 550 m (6.6 ft - 1804.6 ft)
-
2 m - 10,000 m (6.6 ft - 32,810 ft)
PC
2 m - 70 km (6.6 ft - 43 miles)
Typical
Maximum
Unit
-6.5
0
dBm
-
0
dBm
-
-3
dBm
-
-3
dBm
-
+3
dBm
-
-3
dBm
Technical Support
To obtain telephone support as part of your warranty and
other service benefits, you must first register your product
at
http://eSupport.3com.com/
The following options are available for technical support:
Contact your network supplier.
Check the 3Com knowledgebase at
http://knowledgebase.3com.com
Browse the 3Com web site at
http://www.3com.com
Please have your product model name, part number and
serial number (found on underside of transceiver) along
with all relevant details of the problem to hand before
calling your network supplier or 3Com.
Telephone numbers are correct at the time of publication.
Find a current directory of support telephone numbers
posted on the 3Com web site at
http://
csoweb4.3com.com/contactus/.
Country
Telephone Number
Asia, Pacific Rim
Australia
1 800 678 515
Hong Kong
800 933 486
India
+61 2 9424 5179 or
000800 650 1111
Indonesia
001 803 61009
Japan
00531 616 439 or
03 5977 7991
Malaysia
1800 801 777
New Zealand
0800 446 398
Pakistan
+61 2 9937 5083
Philippines
1235 61 266 2602 or
1800 1 888 9469
P.R. of China
10800 61 00137 or
021 6350 1590 or
00800 0638 3266
Singapore
800 6161 463
S. Korea
080 333 3308
Taiwan
00801 611 261
Thailand
001 800 611 2000
You can also obtain support in this region using the
following e-mail:
Or request a repair authorization number (RMA) by fax
using this number: + 65 543 6348
Europe, Middle East, and Africa
From anywhere in these
+44 (0)1442 435529
regions, call:
From the following countries, you may use the numbers
shown:
Austria
01 7956 7124
Belgium
070 700 770
Denmark
7010 7289
Finland
01080 2783
France
0825 809 622
Germany
01805 404 747
Hungary
06800 12813
Ireland
01407 3387
Israel
1800 945 3794
Italy
199 161346
Luxembourg
342 0808128
Netherlands
0900 777 7737
Norway
815 33 047
Poland
00800 441 1357
Portugal
707 200 123
South Africa
0800 995 014
Spain
9 021 60455
Sweden
07711 14453
Switzerland
08488 50112
U.K.
0870 909 3266
You can also obtain support in this region using the
following URL:
http://emea.3com.com/support/
email.html
Country
Telephone Number
Latin America
Antigua
1 800 988 2112
Argentina
0 810 444 3COM
Aruba
1 800 998 2112
Bahamas
1 800 998 2112
Barbados
1 800 998 2112
Belize
52 5 201 0010
Bermuda
1 800 998 2112
Bonaire
1 800 998 2112
Brazil
0800 13 3COM
Cayman
1 800 998 2112
Chile
AT&T +800 998 2112
Colombia
AT&T +800 998 2112
Costa Rica
AT&T +800 998 2112
Curacao
1 800 998 2112
Ecuador
AT&T +800 998 2112
Dominican Republic
AT&T +800 998 2112
Guatemala
AT&T +800 998 2112
Haiti
57 1 657 0888
Honduras
AT&T +800 998 2112
Jamaica
1 800 998 2112
Martinique
571 657 0888
Mexico
01 800 849CARE
Nicaragua
AT&T +800 998 2112
Panama
AT&T +800 998 2112
Paraguay
54 11 4894 1888
Peru
AT&T +800 998 2112
Puerto Rico
1 800 998 2112
Salvador
AT&T +800 998 2112
Trinidad and Tobago
1 800 998 2112
Uruguay
AT&T +800 998 2112
Venezuela
AT&T +800 998 2112
Virgin Islands
57 1 657 0888
You can also obtain support in this region using the
following:
Spanish speakers, enter the URL:
http://lat.3com.com/lat/support/form.html
Portuguese speakers, enter the URL:
http://lat.3com.com/br/support/form.html
English speakers in Latin America should send e-mail to:
North America & Canada
1 800 876 3266
Register Your Product
To take advantage of warranty and other service benefits,
you must first register your product at
http://
eSupport.3com.com/
. 3Com eSupport services are based
on accounts that you create or have authorization to
access. First time users must apply for a user name and
password that provides access to a number of eSupport
features including Product Registration, Repair Services,
and Service Request.
3Com Corporation, Corporate Headquarters
350 Campus Drive,
Marlborough, MA 01752-3064
To learn more about 3Com products and services, visit our
Word Wide Web site at www.3com.com.
All specifications subject to change without notice.