Transition TN-SFP Series Manuel utilisateur

Transition Networks TN-SFP-xx25G-xR-S Series User 
Guide 
33815 Rev. A https://www.transition.com Page 1 of 9 
User Guide 
TN-SFP-xx25G-xR-S Series 
Cisco Compatible 10G/25GBase SFP28 Modules 
10G/25GBase-X, SFP28 With DMI (LC) 
Transceiver Modules 
•SFP28 Optical Transceiver with LC connector 
•MSA Compliant 
•Compliant with 10GBase-xR 
•Compliant with 25GBase-xR 
•Compliant with 5G eCPRI 
•Single +3.3V Power Supply 
•Power dissipation < 1.2 Watts 
•Compliant with SFF-8431 and SFF-8472 
•RoHS Compliant 
Contents 
Introduction................................................................................................................................................................1 
Description .................................................................................................................................................................2 
Ordering Information (Duplex)...................................................................................................................................2 
Specifications and Standards......................................................................................................................................2 
Optical Specifications .................................................................................................................................................3 
Applications ................................................................................................................................................................3 
SFP Unpacking ............................................................................................................................................................3 
SFP Installation ...........................................................................................................................................................3 
Cautions .................................................................................................................................................................3 
Installing an SFP Module........................................................................................................................................3 
Fiber Cable Physical Characteristics.......................................................................................................................4 
Connecting Fiber Cables.........................................................................................................................................4 
Removing an SFP Module ......................................................................................................................................4 
Diagnostic Monitoring Interface (DMI) ......................................................................................................................6 
DDMI (Digital Diagnostics Monitoring Interface) .......................................................................................................7 
Contact Us ..................................................................................................................................................................8 
For More Information.................................................................................................................................................8 
Compliance Information.............................................................................................................................................8 
Record of Revisions ....................................................................................................................................................9 
 
Introduction 
The Transition Networks TN-SFP-xx25G-xR-S Series 25G SFP28 transceiver modules are designed to install in any 
SFP28 port allowing for 25G/10GBase-X interfaces to the network via the SFP28 connector. The TN-SFP-xx25G-
xR-S transceivers are Cisco Compliant and are designed for bi-directional serial-optical data communication such 
as 25G Ethernet at speeds up to 26.5 Gbps. 
 

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Description

Transition Networks’ SFP28 modules fully comply with the Multi-Sourcing Agreement (MSA). This compliance

allows our SFP28 modules to be used in all other MSA compliant SFP28 platforms. In addition, Transition

Networks SFP28 modules are also Compliant with all Cisco SFP28 based routers and switches, as well as Cisco’s

IOS software. Transition Networks SFP28 modules are not Cisco OEM brand modules.

These SFPs are intended for 25G Ethernet and eCPRI for 5G Fronthaul/Backhaul applications. The eCPRI

Interface Specification for the Common Public Radio Interface is an industry cooperation aimed at defining

publicly available specifications for the key internal interface of radio base stations, such as eCPRI connecting

the eCPRI Radio Equipment Control (eREC) and the eCPRI Radio Equipment (eRE) via a “fronthaul transport

network”.

The latest eCPRI specification may be found at http://www.cpri.info/downloads/eCPRI_v_1_1_2018_01_10.pdf.

RRH (Remote Radio Head) are distributed on the towers every few miles in cities and suburban areas. These

RRHs must be connected to baseband units sitting at centralized locations. The connection between the RRUs

and the base station is often called “fronthaul.” While 4G (LTE) uses CPRI (Common Public Radio Interface) as

the fronthaul connection, eCPRI (enhanced CPRI) is becoming an important technology for 5G and Open RAN.

The eCPRI specification is intended to enable efficient and flexible radio data transmission via a packet based

fronthaul transport network such as Ethernet or IP.

Ordering Information (Duplex)

SKU

Description

TN-SFP-25G-SR-S

10G/25GBase-SR, SFP28 with DMI 850nm multimode (LC) [100/70 m; 328/230 ft.*]

Link Budget:9.0 dB

*Distance up to 100m on 50/125 OM4 multimode fiber, up to 70 m for 50/125 um

OM3 multimode fiber.

TN-SFP-10/25G-LR-S

10G/25GBase-LR, SFP28 with DMI 1310nm single mode (LC) [10 km / 6.2 mi.]

Link Budget: 8.3 dB

Specifications and Standards

The TN-SFP-10G-xxx and TN-CWDM-10G-xxx are designed to meet these standards and specifications:

Standards

IEEE 802.3z, IEEE 802.3, IEEE 802.3ae, IEEE 802.3CC

Output Wavelength

-5.5nm < λc < +7.5nm

Compliance

IEC-60825, FDA 21, CFR 1040.10 and 1040.11

MSA, 10GBase-xR, 25GBase-xR, 5G eCPRI, SFF-8431, SFF-8472, RoHS Compliant

Dimensions

Width: 0.52” [13 mm] x Depth: 2.18” [55 mm] x Height:0.33” [8 mm]

Power Input

3.3V

Power dissipation

< 1.2 Watts

Operating Temp

0°C to 70°C

Storage Temp

-40°C to 85°C

Warranty

Lifetime

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Optical Specifications

The Optical Specs for all Transition Networks’ SFPs are listed at www.transition.com/sfp.pdf.

Applications

These SFPs are intended for 25G Ethernet and Fiber Channel for Data Center eCPRI for 5G Fronthaul/Backhaul

applications.

SFP Unpacking

Before you start installing the TN-SFP-xxx, verify that the package contains one TN-SFP-xxx device and one

Support Postcard. Notify your sales representative immediately if any of the above items is missing or damaged.

Save the packaging for possible future use.

SFP Installation

Cautions

•The SFP module is keyed to only be installed one way. If forced the wrong way, damage may occur.

•Avoid getting dust or other contaminants into the fiber bore of the SFP transceiver module, as this will cause

the optics to not operate properly.

•Clean the optic surfaces of the optical fiber before you plug them back in to the optical bores of another SFP

module. See Fiber Optic Association Cleaning Fiber Optic Connections page.

•Each port must match the wavelength specifications on the other end of the cable, and the cable must not

exceed the specified cable length for reliable communications.

Installing an SFP Module

1. Review the Cautions above.

2. Attach an ESD-preventive wrist strap to your wrist and to an ESD ground connector or bare metal surface on

the chassis.

3. Remove the SFP transceiver module from its protective packaging. Note: Do not remove the optical bore

dust plugs until directed to do so in a later procedure.

4. Check the slot orientation; for some devices (e.g., S4224) some slots are “upside down” compared to other

slots.

5. Position the SFP device at the desired installation slot, with the label facing correctly.

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6. Carefully slide the SFP device into the slot, aligning it with the internal installation guides.

7. Ensure that the SFP device is firmly seated against the internal mating connector. To verify that the SFP is

seated and latched properly. a) Grasp the SFP by the sides and try to remove it without releasing the latch.

b) If the SFP cannot be removed, it is installed and seated properly. If the SFP can be removed, reinsert it

and press harder with your thumb; repeat if necessary until it is latched securely into the socket.

TN-SFP-10/25G-LR-S (Lever Latched) TN-SFP-10/25G-LR-S (Lever Latched)

8. Connect the fiber cable to the fiber port connector of the SFP device. Make sure the SFP release latch is in

the up (closed) position when you insert the cable connector into the SFP.

9. Remove the dust plug from the connector. Save the dust plug for future use.

10. Attach an appropriate cable into the SFP module port.

11. Attach the other end of the cable into the other device.

12. Observe the status LED(s). See the related manual for details.

Fiber Cable Physical Characteristics

The fiber cable physical characteristics must meet or exceed IEEE 802.3ae specifications:

•Single mode fiber (recommended): 9 μm

•Multimode fiber (recommended): Distance up to 100m on 50/125 OM4 multimode fiber, up to 70 m for

50/125 um OM3 multimode fiber

Warning: Visible and invisible laser radiation when open. DO NOT stare into laser beam or view directly with

optical instruments. Failure to observe this warning could result in damage to your eyes or blindness.

Connecting Fiber Cables

To install the fiber cable:

1. Locate the appropriate fiber cable.

2. Install the cable as shown right.

Removing an SFP Module

Caution: Be careful when removing the SFP or SFP+ from a device. Some SFP transceiver module temperatures

may exceed 160°F (70°C) and be too hot to touch with bare hands. Note: Do not remove and replace the SFP

modules more often than necessary; excessive SFP removing and replacing can shorten the SFPs useful life.

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1. Attach an ESD-preventive wrist strap to your wrist and to the ESD ground connector or a bare metal surface

on your chassis.

2. For future reattachment of fiber-optic cables, note which connector plug is send (TX) and which is receive

(RX).

3. Remove the SFP transceiver module:

a. If the SFP transceiver module has an actuator button latch, gently press the actuator button on the front

of the SFP transceiver module until it clicks, and the latch mechanism releases the SFP transceiver module

from the socket connector. Grasp the actuator button between your thumb and index finger, and carefully

pull the SFP transceiver module straight out of the module slot.

b. If the SFP transceiver module has a bail clasp latch, pull the latch out and down to eject the SFP

transceiver module from the socket connector. If the bail clasp latch is obstructed and you cannot use your

index finger to open it, use a small, flat-blade screwdriver or other long, narrow instrument to open the bail

clasp latch. Grasp the SFP transceiver module between your thumb and index finger, and carefully remove it

from the socket.

4. Replace the Dust Plug.

5. Place the removed SFP/SFP+ transceiver module in an antistatic bag or other protective package.

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Diagnostic Monitoring Interface (DMI)

The following DMI port screen and explanation table contain brief definitions of the DMI support offered on

some SFP Transceiver Modules. For further information, see the help option on Transition Networks Focal Point,

ION System, and other GUIs. Note: This feature is not available on all devices and may vary between products.

See the related manual for more information.

DMI Parameter

Description

DMI Rx Power

Measured receive optical power in microwatts and in decibels relative to 1mW.

DMI Rx Power Alarm

Alarm status of measured receive optical power.

DMI Temp

Internally measured temperature of transceiver in degrees Celsius and Fahrenheit.

DMI Temp Alarm

Alarm status for internally measured temperature of the transceiver.

DMI Bias Current

Measured transmit bias current in microamperes.

DMI Bias Alarm

Alarm status for measured transmit bias current for the interface.

DMI Tx Power

Measured transmit power in microwatts and in decibels relative to 1mW.

DMI Tx Power Alarm

Alarm status of measured transmit power.

Rx Power Intrusion

Threshold

Tells the converter to stop passing traffic when the receive power drops below the

new threshold. This feature is sometimes referred to as 'Intrusion Detection’, since

tapping into a fiber to intercept traffic leads to a reduction in receive power. This

value can be entered in microwatts or in decibels relative to 1mW.

TN-SFP distances, TX power, RX power, and link budgets can be found on Transition Networks website.The fiber

optic transmitters on this device meet Class I Laser safety requirements per IEC-825/CDRH standards and comply

with 21 CFR1040.10 and 21CFR1040.11. WARNING: Visible and invisible laser radiation when open. Do not stare

into the beam or view the beam directly with optical instruments. Failure to observe this warning could result in

an eye injury or blindness.

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DDMI (Digital Diagnostics Monitoring Interface)

DDMI (Digital Diagnostics Monitoring Interface) provides enhanced digital DMI for optical transceivers which

allows real time access to device operating parameters.

The following DMI port screen and explanation table contains brief definitions of the DDMI support offered on

some Small Form Factor Pluggable (SFP) Transceiver Modules. For further information, see the help option or

User Guide for the relate product4. Note: This feature is not available on all devices and may vary between

products. See the related manual for more information.

The Transceiver Information and DDMI Information sections are described below.

DDMI Parameter

Description

DMI

Rx Power (uW) Intrusion Threshold; a level for Rx Power on the Fiber port. If the DMI

read value falls below the preset value, an intrusion is detected, and a trap is

generated. The default is 0 uW. The range is 0 - 65,535 uW.

Port

The device’s port number.

Vendor

The SFP vendor’s name (e.g.,

Transition

Part Number

The SFP vendor Part number provided by the SFP vendor (

TN-10GSFP-SR

Serial Number

The SFP Vendor Serial number provided by the SFP vendor (e.g.,

8672105

Revision

The SFP vendor Revision level for part number provided by the SFP vendor.

Date Code

The vendor's manufacturing date code (e.g

., 2011-08-09

Transeiver

The Transceiver compatibility (e.g.,

1000BASE_SX

10G

Current

The current value of temperature, voltage, TX bias, TX power, and RX power.

High Alarm Threshold

The high alarm threshold value - temperature, voltage, TX bias, TX power, - RX power.

High Warn Threshold

The high warn threshold value of temperature, voltage, TX bias, TX power, RX power.

Low Warn Threshold

The low warn threshold value of temperature, voltage, TX bias, TX power, RX power.

Low Alarm Threshold

The low alarm threshold value - temperature, voltage, TX bias, TX power, RX power.

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Technical Support: Technical support is available 24-hours a day: US and Canada: 1-800-260-1312;

International: 00-1-952-941-7600

Main Office

tel: +1.952.941.7600 | toll free: 1.800.526.9267 | fax: 952.941.2322

[email protected]om | techsupport@transition.com | customerservice@transition.com

Address

Transition Networks

10900 Red Circle Drive

Minnetonka, MN 55343, U.S.A.

Web: https://www.transition.com

For More Information

Technical information in this document is subject to change without notice. For more information see our online

Optical Devices Product Catalog or our SFP Specifications page.

The Fiber Optic Association, Inc. is the international professional association of fiber optics. The FOA is an

international non-profit educational association chartered to promote professionalism in fiber optics through

education, certification and standards. FOA creates and publishes its own technical materials for training and

reference based on a worldwide network of technical advisors. See https://foa.org/foa.htm.

Compliance Information

Class I Laser Compliance

This product has been tested and found to comply with the limits for FDA Class I laser for IEC60825, EN60825,

and 21CFR1040 specifications.

Translated Safety Warnings

Warning Class I laser product.

Advarsel Laserprodukt av klasse I.

Waarschuwing Klasse-I laser produkt.

Aviso Produto laser de classe I.

Varoitus Luokan I lasertuote.

¡Advertencia! Producto láser Clase I.

Attention Produit laser de classe I

Varning! Laserprodukt av klass I.

Warnung Laserprodukt der Klasse I.

Aviso Produto a laser de classe I.

Avvertenza Prodotto laser di Classe I.

Advarsel Klasse I laserprodukt.

FCC Regulations

This equipment has been tested and found to comply with the limits for a Class A 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.

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Canadian Regulations

This digital apparatus does not exceed the Class A 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 diesem Fäll is der Benutzer für Gegenmaßnahmen verantwortlich.

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.

In accordance with European Union Directive 2002/96/EC of the European Parliament and of the

Council of 27 January 2003, Transition Networks will accept post usage returns of this product for proper

disposal. The contact information for this activity can be found in the 'Contact Us' portion of this document.

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.

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.

Record of Revisions

Rev

Date

Notes

3/25/20

Initial release.

Trademarks: All trademarks and registered trademarks are the property of their respective owners.

any form or by any means - graphic, electronic or mechanical - without written permission from Transition Networks.

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