Lantech CM-011A User Manual
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Contents subject to revision without prior notice.
All trademarks remain the property of their respective
owners.
Copyright Statement
This publication may not be reproduced as a whole or in
part, in any way whatsoever unless prior consent has been
obtained from owner.
FCC Warning
The Fast Ethernet Switching Converter Series converters
have been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC
Rules. These standards are designed to provide
reasonable protection against harmful interference when
these devices are operated in a commercial environment.
These devices generate, use, and can radiate radio
frequency energy and may cause harmful interference to
radio communications unless installed in accordance with
this User’s Guide. Operation of these devices in a
residential area is likely to cause harmful interference
which will make the user responsible for the appropriate
remedial action at his / her own expense.
CE Mark Warning
These are Class A products. In a domestic environment
these products may cause radio interference in which case
the user will need to consider adequate preventative
methods.
1. Checklist
The Fast Ethernet Switching Converter package should
contain following items:
-
Fast Ethernet Switching Converter
-
AC-DC Power Adapter
Please notify your sales representative immediately if any
items are missing or damaged.
2. Overview
Fast Ethernet Switching Converter is designed to meet the
needs for massive optical fiber network deployment and able
to extend a legacy copper based network via fiber cable to a
maximum distance of up to 100KM.
Fast Ethernet Switching Converter is fully compliant with
IEEE 802.3 & 802.3u standards; built-in Switching ASIC has
turned Fast Ethernet Switching Converter to function more
like a 2-port switch than a traditional converter. Users can
get all switching benefits such as traffic segmentation,
frames checking & error filtering. In addition, LLF function
allows users to monitor & maintain their critical fiber link more
easily and effectively.
The installation & operation procedures of the Fast Ethernet
Switching Converter are simple & straightforward. Operation
status can be monitored through a set of Diagnostic LED
indicators on the front panel.
Major Features:
-
10/100Base-TX to 100Base-FX converter
-
Store & Forward Switching Mechanism
-
Comply with IEEE 802.3, 802.3u
-
MDI/MDIX Auto-Crossover supported
-
Auto-Negotiation or Manual mode setting of Speed &
Duplex mode
-
LLF function
3. Installation
The installation procedure is simple and straightforward.
-
Attach fiber cable from the Fast Ethernet Switching
Converter to the fiber network.
-
Attach a UTP cable from the 10/100Base-TX network to
the RJ-45 port on the Fast Ethernet Switching
Converter.
-
Connect the power adapter to the Fast Ethernet
Switching Converter and check that the Power LED
lights up. The TX Link and FX Link LED will light when all
the cable connections are satisfactory.
100
LINK/
ACT
FX TX
FDX PWR
Fig. 1 Fast Ethernet Switching Converter Front
& Rear Panel
5VDC IN
1 0 / 1 0 0 B A S E - T X
N e t w o r k
S C / S T
F i b e r
N e t w o r k
TX
RX
RX
TX
F i g . 2 B a s i c N e t w o rk C o n n e c t i o n
1 0 / 1 0 0 B A S E - T X
TX RX
Quick Installation Guide
-
4. LED Description
LED Color Function
PWR Green Lit when power is available.
FX 100 Green Lit when FX port speed is 100M.
FX Link/ACT Green
Blink
Lit when fiber link is up.
Blink when traffic is present.
FDX Green Lit when TX port Full Duplex Mode is
enabled.
TX 100 Green Lit when TX port speed is 100M.
TX Link/ACT Green
Blink
Lit when TX link is up.
Blink when traffic is present.
5. Technical Specifications
Standards
IEEE 802.3 & IEEE 802.3u
Switching Mechanism
Store & Forward
MAC Table
1K Entries
Forward & Filter Rate
(64 Bytes)
10Base-T 14,800 pps
100Base-TX 148,800 pps
LED
Power, FDX, TX 100, TX
Link/Act, Fiber 100, Fiber
Link/Act
Power Adapter
input: AC100~240V
Power Consumption
5W
Weight
0.6Kg
Dimensions
71mm (W) x 97mm (D) x
26mm(H)
Temperature
Operating: 0 ~ 50 oC
Storage: -20 ~ 60 oC
Humidity
5% ~ 90% RH
Emission
FCC/CE Class A
*Please contact us for further reports and updates.
UTP
Cat. 5 UTP cable
Fiber 50/125, 62.5/125, or 100/140
m multi-mode
8.3/125, 8.7/125, 9/125 or 10/125
m single
-mode
6. Rear Panel DIP Switch
Pin 1
Pin 2
Pin 3
Pin 4
Off/On
Off/On
Off/On
Off/On
TX Auto-negotiation
TX Speed
TX Duplex
LLF
Enable/Disable
100M/10M
Full/Half
Disable/Enable
The default setting for Pin 1 through Pin 4 is Off.
Please perform Power On reset after modifying the
Dip Switch setting.
7. Link Loss Forwarding
LLF allows users to easily identify and diagnose the
linking status. If LLF Dip switch is set to Enable,
UTP and Fiber port can link up only when both linking
conditions are good. In addition, if the fiber or UTP port link
is down during operation, the other port will also be turned
down to alert the user. Setting LLF Dip switch to
Enable provides users transparent link indication between
two network devices interconnected by Fast Ethernet
Switching Converter.
If LLF function is disabled, the UTP and fiber port will link up
based on their individual linking condition. Furthermore, if
fiber port link is down during operation, it will not turn down
the UTP port link and vice versa.
Fiber Transceiver Information
100M
Multi-Mode
TYPE BTFC BTFT
Connector Type SC ST
Wavelength 1310nm 1310nm
Typical Distance 2Km 2Km
Min TX PWR -20.0dBm -20.0dBm
Max TX PWR -14.0dBm -14.0dBm
Sensitivity -31.0dBm -31.0dBm
Link Budget 11.0dB 11.0dB
Single-Mode
TYPE
BTFC
(SM-30)
BTFC
(SM-50)
BTFC
(SM-80)
BTFC
(SM-100)
Connector Type SC SC SC SC
Wavelength 1310nm 1310nm 1310nm 1550nm
Typical Distance 30Km 50Km 80Km 100Km
Min TX PWR -15.0dBm -5.0dBm 0dBm -5.0dBm
Max TX PWR -8.0dBm 0dBm 5.0dBm 0dBm
Sensitivity -34.0dBm -35.0dBm -36.0dBm -35.0dBm
Link Budget 19.0dB 30.0dB 36.0dB 30.0dB
NOTE: Specifications may change without prior notice.
10/100BASE-TX to
100BASE-FX
Media Converter
User’s Guide
Version 3.3
CM-011A
w/ LLF Function
output: DC 5V 2A
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