Thanks for inquiring on FS.COM. The optic #11581 can work well on your Juniper SRX1500 Firewall. Please refer to the attachment for more details. By J***g on 02/07/2020

Thanks for your question. Yes, this transceiver will be compatible with the Juniper MX204 router, pls rest assured. By *** on 02/04/2019

Some industry manufacturers encrypt their devices, so the devices have high requirements of compatibility for transceivers, FS.COM offers Cisco and Juniper compatible modules respectovely, such as product #11555 and #11581. If you want a module which is compatible with both vendors, you can configure our module by FS-BOX（#96657）, FS-BOX can solve the real-time compatibility requirements, the coding can be done on the instant online platform fsbox.com with an intuitive web-based interface. By C***n on 31/12/2020

Besides the price advantage we have compared to branded transceivers, FS.COM compatible transceivers also maintain the same performance and reliability. To satisfy our customers' needs of high performance, all of our transceivers are tested multiple times in mainstream original brand switches in our test center before shipped out. By B***d on 28/05/2017

The FS.COM 10GBASE-LR SFP+ transceivers can use duplex LC/UPC singlemode fiber patch cables for direct interconnection and as for 10G to 40G network speed upgrade connection, 8 fibers singlemode MTP®/MPO-LC harness cables can be applied. By A***t on 12/12/2017

As for customized transceivers, FS.COM offers regular custom choices such as compatibility, transmission distance, operating temperature, label pattern, label colors and etc. What's more, FS.COM welcomes any inquiry for customized products and solutions for all needs and specifications. By T***w on 02/06/2017

FS.COM has been maintaining huge stock level of the 10GBASE-LR SFP+ transceivers in U.S. warehouse, EU warehouse and CN warehouse. As long as the products you order are all in stock, we will ship them out the same day you place your order. As for some specific products or products that have a short stock, we will keep you informed ahead of time before you place your order. By C***r on 21/05/2017

Dust and contamination can accumulate on transceiver's connectors and cause problems such as reducing the optic launch power. To ensure better connection, FS.COM strongly recommends cleaning both connectors each time you disconnect and reconnect them. FS.COM High Quality One-Push Fiber Optic Pen Cleaner for 1.25mm LC/MU Connector is the best cleaning choice for 10GBASE-LR SFP+ transceivers. By N***t on 19/05/2017

The FS.COM 10GBASE-LR SFP+ transceivers operate at a industrial temperature range (-40°C to 85°C). By P***a on 07/05/2017

Yes, you need to use attenuators of 3~5dB in the transmission. By W***l on 19/04/2017