OBC and all its peripherals, reducing swap out time, saving cost and extending the life of all the hardware in the vehicle. This document describes the installation requirements of the MiX LTE External modem being fitted to an FM 3xxx OBC.
The firmware is not configure to fall back and attempt communication over the internal modem again if the LTE coverage is poor. 3 Applicable Supporting Documents [1] PFS LTE External Modem - V1 4 Environmental Requirements Do not immerse the unit in water as the housing is not waterproof. The unit can however withstand some exposure to water drops.
7.4 Ensure modem has an Activated LTE SIM The LTE External modem requires its own LTE capable SIM. In some cases a deactivated SIM will already be inserted in the modem at time of manufacturer e.g. An AT&T SIM is fitted to all stock for MiX NA. The details of the SIM are included on the modem’s label as well as provided in a digital list with every purchase...
cover on the modem housing needs to be removed and the SIM inserted in the orientation indicated on the cover. Activation of the SIM on the cellular provider’s portal must also be done before attempting an install. The SIM must also be configured not to require any PIN code or the modem will be unable to use it to connect to the network.
8.1 Hardware and Kit Part Numbers Part Number Name Picture Description LTE Cat M1 LTE Cat M1 External Modem P0014MT External Modem kit for installation on FM 3xxx LTE Cat M1 LTE Category M1 External 440FT0077 External Modem Modem FM LTE Ext. Serial Harness Serial Harness A0011MT External LTE...
9 Installation procedure Step Part Number Picture Description The 12-pin connector of the “FM LTE Ext. Serial Harness SR4” should already be connected to the 12-pin socket on the LTE Modem. If A0011MT not connect these two item together. Note: it is also possible to plug the other end of the 440FT0077 harness, the 10-pin...
connected to the FM. The antenna that comes with the kit must plug into the external modem 10 Testing procedure Testing of the install will require the installer to have access to a Power down plug and a Communication/GSM Diagnostics plug for the FM 3xxx. These are the same tools used for standard FM diagnostics and they can be programmed using the Dealer Utility application.
and the LTE beep pattern to be heard When a link becomes active the buzzer will give 2 quick short beeps. Confirm the SIM is able to facilitate ( . . ) an active connection to the network When the OBC successfully queries the modem for data, but there is no incoming data, the buzzer will give 1 medium beeps.
12 Appendix A – Diagnostics Plugs Required 12.1 Creating a Power down plug Using the Dealer Utility and a standard blue plug, open the format menu and select ‘Power down plug’. Once formatted correctly this plug should be marked as a power down plug. It will be used after the LTE External modem has been attached to force the FM to check for the additional modem.
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