Omnitron Systems Technology iConverter Tx/2Fx User Manual

Omnitron Systems Technology Communication

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In “Remote Fault Detection” (RFD), the UTP port transmits

a “Link” signal only when receiving a “Link” at both the fiber

ports. The fiber port transmits a “Link” only when receiving

“Link” signals both at the fiber port and the UTP port. As

a result, fiber faults (no “Link” received at the fiber) are

looped-back and can be reported to the network’s core

(Not Shown).
In “Symmetrical Fault Detection” (SFD), the UTP port

transmits a “Link” signal only when receiving a “Link” at

both the fiber ports. The fiber port transmits a “Link” only

when receiving “Link” signal from both the fiber ports and

the UTP port. As a result, fiber faults (no “Link” received

at the fiber) are looped back and can be reported to the

network core. In addition, connecting two back-to-back

converters which are both set to SFD facilitates dual-loop-

back where fiber faults are reported to both ends of the

network (Not Shown).

Fig. 3 Link Modes

Warning

The operating description in this Instruction Manual is for

use by qualified personnel only. To avoid electrical shock,

do not perform any servicing of this unit other than that

contained in the operating instructions, unless you are

qualified and certified to do so by Omnitron Systems

Technology, Inc.

Warranty

This product is warranted to the original purchaser

against defects in material and workmanship for a period

of TWO YEARS from the date of shipment. A LIFETIME

warranty may be obtained by the original purchaser by

REGISTERING this product with Omnitron within 90 days

from the date of shipment. TO REGISTER, COMPLETE

AND MAIL OR FAX THE ENCLOSED REGISTRATION

FORM. Or you may register your product on the Internet at

www.omnitron-systems.com. During the warranty period,

Omnitron will, at its option, repair or replace a product

which is proven to be defective.

For warranty service, the product must be sent to an

Omnitron designated facility, at Buyer’s expense. Omnitron

will pay the shipping charge to return the product to

Buyer’s designated US address using Omnitron’s standard

shipping method.

Limitation of Warranty

The foregoing warranty shall not apply to defects resulting

from improper or inadequate use and/or maintenance

of the equipment by Buyer, Buyer-supplied equipment,

Buyer-supplied interfacing, unauthorized modifications

or tampering with equipment (including removal of

equipment cover by personnel not specifically authorized

and certified by Omnitron), or misuse, or operating

outside the environmental specification of the product

(including but not limited to voltage, ambient temperature,

radiation, unusual dust, etc.), or improper site preparation

or maintenance.
No other warranty is expressed or implied. Omnitron

specifically disclaims the implied warranties of

merchantability and fitness for any particular purpose.

Exclusive Remedies

The remedies provided herein are the Buyer’s sole and

exclusive remedies. Omnitron shall not be liable for any

direct, indirect, special, incidental, or consequential

damages, whether based on contract, tort, or any

legal theory.

Form: 040-08400-001F 9/13

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MOUNTING AND CABLE ATTACHMENT:

iConverter

modules are hot-swappable and can be

installed into any chassis in the

iConverter

family.

1. Carefully slide the

iConverter

module into the

installation slot, aligning the module with the installation

guides. NOTE: Ensure that module is firmly seated

against the backplane.

2. Secure the module by securing the panel fastener

screw (attached to module) to chassis front.

3. Attach the UTP port of Port C via a category 5 cable to

a 100BASE-TX Ethernet device.

4.

iConverter

Redundant Fast Ethernet Modules should

be deployed in pairs with Port A linked to Port A and

Port B linked to Port B between the two modules. If

using

iConverter

Redundant Fast Ethernet Modules

with redundant Fx or Fx SF ports, attach Port A fiber

ports and Port B fiber ports of the two modules via an

appropriate multimode or single-mode fiber cable. The

iConverter

transmit (Tx) must attach to the receive side

on other device; the receive (Rx) must attach to the

transmit. If using

iConverter

Redundant Fast Ethernet

Modules with redundant Tx ports, attach the UTP ports

of the two modules’ Port A via a category 5 cable and

UTP ports of the two modules’ Port B via a category 5

cable.

5. Single fiber (SF) media converter models must be

deployed in pairs so that the transmission (Tx) and

reception (Rx) wavelengths of the single-mode (SM)

ports communicating over a fiber must match the

reception (Rx) and transmission (Tx) at the opposite

end. For example, an 8430-1 should be connected to

an 8431-1.

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LED INDICATORS:

LED

Color Description

Power:

Yellow On--Power

Port A Link: Green On--Link / Blink--activity

Steady Blink--Standby mode

Port B Link: Green On--Link / Blink--activity

Steady Blink--Standby mode

Port C Link: Green On--Link / Blink--activity

Port A Select:

Green

On--Active port /

Blink--remote

side broken

Port B Select:

Green

On--Active port /

Blink--remote

side broken

UTP Auto: Green On--Auto-Negotiation enabled

UTP FDx:

Green On--Full-Duplex detected

REDUNDANT FIBER SPECIFICATIONS:

Technical Support:
For help with this product, contact our Technical Support:
Phone:

(949) 250-6510

Fax:

(949) 250-6514

Address: Omnitron Systems Technology, Inc.

38 Tesla

Irvine, CA 92618 USA

E-mail:

[email protected]

URL:

www.omnitron-systems.com

OVERVIEW:

The

iConverter

Redundant Fast Ethernet manageable

media converters are members of the modular

iConverter

product family. The following models are described:

Tx/2Fx

100BASE-TX UTP to dual 100BASE-FX dual

fiber

Tx/2Fx SF 100BASE-TX UTP to dual 100BASE-FX

single-fiber

Tx/2Tx

100BASE-TX UTP to dual 100BASE-FX UTP

The

iConverter

Redundant Fast Ethernet modules are

intended for use in networks that require fiber or copper

link redundancy. During normal operations Port A is the

active primary and Port B is the backup secondary. When

loss of link on Port A is detected, the module automatically

switches to transmitting on Port B. With a switch over time

of less than 100 microseconds, these modules provide the

rapid response time required for ultra critical applications.

Note: After the link is switched, there will be a 5 second

delay before that link can been reestablished.

APPLICATION EXAMPLES:

Fig. 1 Redundant Switch Example

In this example, redundant Switches 1 and 2 are

connected to Switch 3 via a Tx/2Fx converter. If power

fails in Switch 1, or if there is a loss of link in the fiber

cable, the Tx/2Fx converter switches to transmitting on

port B and routes data flow to Switch 2.

Fig. 2 Redundant Fiber to Customer

In this example, data flow from a core switch at the

Central Office is converted from UTP to redundant fiber,

and converted back to UTP, where it is connected to an

edge switch at the Customer Premises. If there is a loss

of link in fiber Port A, the Tx/2Fx converter switches to

transmitting on fiber Port B, without a service disruption

to the mission-critical customer.

LINK MODES:

In order to accommodate different user needs, the

Redundant iConverters support four different linking modes.

NOTE that it is recommended keeping the Redundant

iConverters

in the factory default Link Segment (LS)

setting.

In “Link Segment” (LS), sometimes referred to as

the “Normal” mode, a port transmits a “Link” signal

independently of any received “Link” at any other port. For

example, the UTP transmits a “Link” regardless of either

fiber receiving a “Link” [Fig 3(a) & (b)]. Figure 3(a) shows

the state when all links are functioning correctly. Port A

LEDs indicate link and activity, while the Port B LEDs

blink at one Hertz to indicate they are not active, but are

in “Standby”. Figure 3(b) shows that when the fiber link

to Port A is broken, Port B becomes active.

In “Link Propagate” (LP), sometimes referred to as “Link

Loss Carry Forward”, a port transmits a “Link” signal only

when receiving a “Link” at its other port. For example, the

UTP transmits a “Link” only when receiving a “Link” at both

fiber ports (Not Shown).

iConverter

Redundant Fast Ethernet Module User

Manual

Page 2

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BOARD MOUNTED DIP-SWITCH SETTINGS:

Fig. 4 Board Mounted DIP-Switches

Link Segment/Propagate “LS/LP” DIP-Switch:

This DIP-Switch enables the Link Segment “LS” or Link

Propagate “LP” modes. When in the “LS” position (left,

factory default), Link Segment mode is enabled. In the “LP”

or “ON” position (right), Link Propagate mode is enabled.

Note that for “LS” mode, “LP”, “RFD” and “SFD”, DIP-

Switches must be in the Left position (factory setting).
Note that setting more than one of the mode switches

(“LP”, “RFD” or “SFD”) to the Right position on the

same module is an illegal mode that will result in

unpredictable behavior.

Remote Fault Detection “RFD” DIP-Switch:

When in the “RFD” position, the Remote Fault Detection

mode is enabled.

Note that connecting two converters with both set

to RFD mode is illegal and will cause a “deadly em-

brace” lockup.

Symmetrical Fault Detection “SFD” DIP-Switch:

When this DIP-Switch is in the “SFD” position (right), the

Symmetrical Fault Detection mode is enabled. Note that

when a loss of “Link” occurs between two Redundant Fast

Ethernet modules, both redundant connections must have

a loss of incoming “Link” signal in order for this to occur.

UTP Auto/Manual “AN/MAN” DIP-Switch:

When this DIP-Switch is set to Auto Negotiate “AN” (factory

setting) it enables the UTP Port to determine duplex mode

automatically. If the connected device cannot provide

the proper signal to indicate its own mode of operation,

this DIP-Switch should be set to Manual “MAN”. This

feature allows connections with devices that do not auto

negotiate properly.
UTP Full/Half-Duplex “FD/HD” DIP-Switch:

When the UTP Auto/Manual DIP-Switch is in Manual

“MAN” position (described above), the UTP Full/Half-

Duplex “FD/HD” DIP-Switch determines the duplex

operation mode for the UTP port. When set to Full-

Duplex “FD” (factory setting), the UTP port operates in

Full-Duplex. When set to Half- Duplex “HD” the UTP

port operates in Half-Duplex. Adjust the Half/Full-Duplex

DIP-Switch to match the connecting device and check

for link status.
Return to Port A “RTA/NR” DIP-Switch:

When this DIP-Switch is in the Return to Port A “RTA”

position (factory default), link reestablishment on Port A

immediately returns data transmission to Port A after a

link failure in the connection between the A ports. Even

though the switch over time is less than 100 milliseconds,

there is the possibility of lost data (dropped packet) when

the Return to Port A “RTA” DIP-Switch setting is selected.

When the switch is set to Not Return to A “NR”, Port B

continues to be used for transmitting data even after link

has been reestablished on Port A.

Note that modules connected together must be set to

the same mode for correct operation.
RJ45 Crossover “= / X” Switch (Not Shown):

When connecting the UTP to a hub or switch, set switch to

Straight-Through “=” (factory setting). When connecting

to a workstation, set to Crossover “X”.

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Port A

Port C

Port B

Model Type

Tx/2Fx

Tx/2Tx

Protocols

100BASE-FX,

100BASE-TX

100BASE-TX

Primary

Connectors

RJ-45

RJ-45

Redundant

Connectors

SC, ST, LC

Single-Fiber SC

RJ-45

Controls

UTP X-over, LS/LP,

RFD, SFD, UTP

Auto/Man, FDX/HDX

UTP X-over, LS/LP,

RFD, SFD, UTP

Auto/Man, FDX/HDX

LED Displays

Power, FO link,

UTP link, Select,

Auto, FDX/HDX

Power, UTP link,

UTP link, Select,

Auto, FDX/HDX

Dimensions

W:0.85" x D:4.5" x H:2.8"

Weight

8 oz.

Compliance

UL, CE, FCC Class A

Power

Requirement

(typical)

0.7A @ 3.3VDC

1.1A @ 3.3VDC

Temperature

Standard: 0 to 50º C

Wide: -40 to 60º C

Storage: -40 to 80º C

Humidity

5 to 95% (non-condensing)

Altitude

-100m to 4000m

MTBF (hrs)

520, 000

iConverter Tx/2Fx Dual Fiber Modules

Fiber

Type

Distance

Connector Type

ST

SC

LC

MM

5km

8420-0

8422-0

-

SM

30km

8421-1

8423-1

8427-1

SM

60km

8421-2

8423-2

8427-2

SM

120km

-

8423-3

-

iConverter Tx/2Fx SF Single-Fiber Modules

Fiber /

Connector

Type

Distance

Tx: 1310 nm,

Rx: 1550 nm

Tx: 1550 nm,

Rx: 1310 nm

SM / SC

20 km

8430-1

8431-1

SM / SC

40 km

8430-2

8432-2

iConverter Tx/2Tx

Distance

RJ-45 UTP Connector

100m

8400-0

For wide temperature (-40 to 60º C), add a "W" to the end of the

model number. Consult factory for extended temperature

(-40 to +75º C) models.

When using single-fiber (SF) media converter models, the Tx wave-

length on one end has to match the Rx wavelength on the other.

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