The SSETF10xx-200 receives and transmits network signals in either fullduplex or half-duplex mode (depending upon the network devices to which
the Media Converter is attached).
Fast Ethernet™ in full-duplex mode allows the maximum cable distances
listed on page 1.
Fast Ethernet™ in half-duplex mode requires attention to the 512-bit Rule
(See page 7).
TRANSITION Networks SSETF10xx-200
series Ethernet™ and Fast Ethernet™
Media Converters connect 10Base-T or
100Base TX shielded or unshielded
twisted-pair copper cable to 10Base-FL or
100Base-SX fiber-optic cable.
Part NumberPort One - Copper
10Base-T/100Base-TX
SSETF1011-200RJ-45
100 m (328 ft)*
SSETF1013-200RJ-45
100 m (328 ft)*
* Typical maximum cable distance. (Actual distance is dependent upon the
physical characteristics of the network installation.)
Optional Accessories (sold separately)
Part Number Description
E-MCR-0312-Slot Media Converter Rack (includes universal internal power
supply) 17 x 15 x 5 in. (432 x 381 x 127 mm)
WMBPOptional Wall Mount Brackets
Length: 5.0 in (127 mm) Fits converter length: 4.716 in. (120 m)
SPS-1872-SA Optional External Power Supply; 18-72VDC Stand-Alone Wide-
Input; Output: 12.6VDC, 1.0 A
SPS-1872-PSOptional External Power Supply; 18-72VDC Piggy-Back Wide-
Input; Output: 12.6VDC, 1.0 A
Port Two - Fiber-Optic
10Base-FL/100Base-SX
ST, 850 nm multimode
2 km (1.2 mi)* @ 10 Mb/s
300 m (980 ft)* @ 100 Mb/s
SC, 850 nm multimode
2 km (1.2 mi)* @ 10 Mb/s
300 m (980 ft)* @ 100 Mb/s
Installation . . . . . . . . . . . . . . . . . .3
Operation . . . . . . . . . . . . . . . . . . .4
Cable Specifications . . . . . . . . . . .5
Technical Specifications . . . . . . . .6
Half-Duplex Network . . . . . . . . . .7
Fault Isolation and Correction . . .8
Contact Us . . . . . . . . . . . . . . . . .10
Compliance Information . . . . . . .11
LinkAlert
The SSETF10xx-200 series Media Converter LinkAlert™ feature allows the
Media Converter to pass 10Base-T/100Base-TX-side link faults over the link to
the 10Base-T/100Base-SX side and to pass 10Base-FL/100Base-SX-side link
faults over the link to the 10Base-FL/100Base-TX side.
If the SSETF10xx-200 Media Converter does not detect a good link on the
10Base-T/100Base-TX side, the Media Converter disables all transmission
(including active-idle) on the 10Base-FL/100Base-SX side.
10Base-T or
100Bas-TX
Device
Media Converter
LINK FAULT INDICATION
10Base-FL or
100Base-SX
Device
AutoCross*
The AutoCross™ feature allows either straight-through (MDI) or crossover
(MDI-X) cables to be used when connecting to 10Base-T or to 100Base-TX
devices, such as hubs, transceivers, or network interface cards (NICs).
AutoCross determines the characteristics of the cable connection and
automatically configures the unit to link up, regardless of the cable
configuration.
Auto-Negotiation*
The SSETF10xx-200 series Media Converter Auto-Negotiation™ feature
allows the Media Converter to be used with 10Base-T, 100Base-TX, 10BaseFL and 100Base-SX ports. Using Auto-Negotiation, the Media Converter brings
up the copper and fiber links in the highest speed and mode possible for all
the attached network devices.
NOTE: The SSETF10xx-200 series Media Converter does NOT support rate
conversion between 10Mb/s and 100Mb/s network devices.
In a half-duplex network, the maximum cable lengths are determined by the
round trip delay limitations of each Fast Ethernet™ collision domain. (A
collision domain is the longest path between any two terminal devices, e.g. a
terminal, switch, or router.)
The 512-Bit Rule determines the maximum length of cable permitted by
calculating the round-trip delay in bit-times (BT) of a particular collision
domain. If the result is less than or equal to 512 BT, the path is good.
To calculate the round-trip delay for a collision domain:
1. Find the collision domain, i.e. the longest
path between any two terminal devices
(e.g., terminal, switch, and/or router).
2. Calculate the round-trip delay in bit-times
for each length of cable.
4. Determine the bit-time values for each
device (see table to the right).
3. Add the bit-time values for each length of
cable and the bit-times for each device.
NOTE: The 512-Bit Rule applies separately to each collision domain.
The example below illustrates a collision domain bound by a router on one
end and a terminal on the other.
10 meters TP
= 11.1BT
Media Converter
= 12BT
Since the total of the bit-times in this example is less than 512 (see chart
below), the path is good.
Sum of the bit-times for the example collision domain:
Router= 50.0 BT
10 m TP cable(10m x 1.11 BT/m)= 11.1 BT
SSETF101xx-200= 12.0 BT
150 m fiber cable(150 m x 1.0 BT/m)= 150.0 BT
Class I hub= 140.0 BT
10 m TP cable(10m x 1.11 BT/m)= 11.1 BT
Terminal= 50.0 BT
Total= 424.2 BT
150 meters fiber = 150BT
Class I Hub = 140BTSwitch = 50BT
Class I hub140 BT
Class II hub92 BT
terminal/router50 BT
1 meter TP cable1.11 BT
1 meter fiber cable 1 BT
Fast Ethernet switch 50 BT
SSETF10xx-20012 BT
10 meters TP
= 11.1BT
Terminal
= 50 BT
FAULT ISOLATION and CORRECTION
If the Media Converter fails, isolate and correct the fault by determining the
answers to the following questions and then taking the indicated action:
1.Is the P(o)W(e)R LED on the Media Converter illuminated?
NO
•Is the power adapter the proper type of voltage and cycle frequency
for AC outlet?
•Is the power adapter properly installed in the Media Converter and in
UL Listed
C-UL Listed (Canada)
CISPR22/EN55022 Class A & B + EN55024
CE Mark
FCC Regulations
This equipment has been tested and found to comply with the limits for a Class A & 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
environment. This equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is
likely to cause harmful interference, in which case the user will be required to correct the
interference at the user's own expense.
Canadian Regulations
This digital apparatus does not exceed the Class A & B limits for radio noise for digital
apparatus set out on the radio interference regulations of the Canadian Department of
Communications.
Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant les limites
applicables aux appareils numériques de la class A prescrites dans le Règlement sur le
brouillage radioélectrique édicté par le ministère des Communications du Canada.
European Regulations
Warning
This is a Class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.
Achtung !
Dieses ist ein Gerät der Funkstörgrenzwertklasse A. In Wohnbereichen können bei Betrieb
dieses Gerätes Rundfunkstörungen auftreten, in weichen Fällen der Benutzer für
entsprechende Gegenmaßnahmen werantwortlich ist.
Attention !
Ceci est un produit de Classe A. Dans un environment domestique, ce produit risque de créer
des interférences radioélectriques, il appartiendra alors à l'utilsateur de prende les measures
spécifiques appropriées.
SSETF10xx-200
CAUTION: RJ connectors are NOT INTENDED FOR CONNECTION TO THE
PUBLIC TELEPHONE NETWORK. Failure to observe this caution could result in
damage to the public telephone network.
Der Anschluss dieses Gerätes an ein öffentlickes Telekommunikationsnetz in den EGMitgliedstaaten verstösst gegen die jeweligen einzelstaatlichen Gesetze zur Anwendung der
Richtlinie 91/263/EWG zur Angleichung der Rechtsvorschriften der Mitgliedstaaten über
Telekommunikationsendeinrichtungen einschliesslich der gegenseitigen Anerkennung ihrer
Konformität.
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11
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