Modification of MTP Pre-Term Gender

Change provides easier 40G implementation

With the increasing importance of 40G parallel transmission Nexans is announcing a change in the default configuration of MTP Pre-Term assemblies.

While in the past MTP Pre-Terms have used female MTP connectors that ease 10G installations, they will now use male MTP connectors that ease 40G installations.

With female MTP Pre-Terms, two types of patch cords were required to make a 40G channel: female-male patch cords for connection to the switch and male-male patch cords for patching between racks. With the new male MTP Pre-Terms only one type of patch cord with female MTP-connectors on each end are required throughout the 40G channel. This eases the operational implementation of a 40G channel and reduces the quantity of cords on stock by 50%.

The Plug&Play modules now have a female MTP connector inside to fit with the male MTP-connector of the Pre-Term. Straight and crossed modules are available. A method C Pre-Term together with straight cassettes at either end is installed for a polarity C 10G channel. If the project requires a method B Pre-Term then a straight and a crossed module are required for a 10G channel. For both options the same duplex LC patch cords can be used on either end.

For 10G transmission based on LC-connectivity, Nexans continues to promote method C polarity: the same patch cords and modules can be used on either end easing installation and operations. For a direct installation of parallel optics, method B Pre-Terms are now also available.

With improvements in manufacturing the connector insertion loss of modules and Pre-Terms has been reduced. The maximum insertion loss for an MTP-MTP connection is now 0,3 dB. The maximum insertion loss for an MTP-LC module is reduced to 0,5 dB. These low-loss values are valid for singlemode and multimode.

The new male MTP Pre-Terms now have on one end a protective black net. The maximum pulling force on the puling eye on that end has been increased to 450N.