Trademarks
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 Compliance Statement
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful
interference when the equipment is operated in a
commercial or residential environment. This equipment
generates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with this
User’s Guide, may cause harmful interference to radio
communications.
1. Checklist
The GC-H21 carton should contain following items:
⎯
GC-H21 Converter
⎯
AC-DC Power Adapter
⎯
This User’s Guide
Please notify your sales representative immediately if any
items are missing or damaged.
2. Overview
GC-H21 is designed to meet the needs for optical fiber
network deployment and able to extend a legacy copper
based network via fiber cable to a maximum distance of up
to 100KM (Max. distance varies depending on the model).
GC-H21
is fully compliant with IEEE 802.3 & 802.3u
standards;
built-in Switching ASIC has turned GC-H21
function more like a 2 ports switch than a traditional
converter. User can get all switching benefits such like
traffic segmentation, frames checking & error filtering. In
addition, Link-Cross-Check allow user to monitor &
maintain their critical fiber link more easily and effectively.
The installation & operation procedures of the GC-H21 are
simple & straightforward. Operation status can be
monitored through a set of Diagnostic LED located in the
front panel.
FEATURES
•
10/100Base-TX to 100Base-FX converter
•
Store & Forward switching mechanism
•
Comply to IEEE 802.3, 802.3u
•
MDI/MDIX Auto-Crossover supported
•
Auto-Negotiation or Manual mode setting of Speed
& Duplex mode
•
LED Indication
o
Power, FDX,
o
TX 100, TP Link/Activity
o
FX 100, FX Link/Activity
•
Link-Cross-Check function
3. Installation
The installation procedure is simple and straightforward.
•
Attach fiber cable from the GC-H21 to the fiber
network.
•
Attach UTP cable from the 10/100Base-TX network
to the RJ-45 port on the GC-H21.
•
Connect the power adapter to the GC-H21 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 GC-H21 Converter Front & Rear Panel
5VDC IN
10/ 100BASE- TX
Net wor k
SC/ST
Fiber
Network
TX
RX
RX
TX
Fig. 2
Basic Network Connection
10/ 100BASE- TX
TX RX
