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Info

In most cases, the device will come with pre-configured, installed SIM(s). If so, SIM card installation is not required.

The CTM-ONE supports two 2FF (standard) style SIM cards. You can install either one or two SIM cards.

If possible try and use SIM cards that are a single pieceIt is advisable to use single-piece SIM cards whenever possible. Many SIM cards today are “tri"tri-cut” cut" to support the various SIM card proportions. Care However, caution must be taken exercised when using tri-cut SIM cards as the cut away SIM cutaway parts can become dislodged and may impact , potentially affecting electrical connectivity between the SIM card and SIM holder.

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Note

If a SIM card

gets

becomes stuck in the SIM holder, DO NOT attempt to force

the

its removal

of the SIM card

as this

can

could damage the SIM holder. Please

contact

reach out to Cypress Solutions Support for assistance.

In

some cases if

certain instances where the modem fails to detect a SIM card, this may

be due to the

result from manufacturing tolerances of the SIM card. Adding a thin piece of

scotch

Scotch tape to the backside of the SIM to slightly increase

the

its thickness

of the SIM can help with the SIM making

can aid in ensuring electrical contact with the SIM holder contacts.

Cypress

We can

supply

provide SIM tape for this purpose

if required

upon request.

Installation

...

For single SIM card installation, it is recommended to use the UPPER LOWER slot of the dual-SIM holder. The LOWER slot is referred to as SIM2 slot. The UPPER slot, referred to as SIM1 slot, is located furthest away from the printed circuit board. The LOWER slot is referred to as SIM2 slot.In most cases, the device will come with pre-configured, installed SIM(s). If so, SIM card installation is not required

The SIM slots are positioned next to the battery (if battery is installed).

Accessing the SIM card slots requires removing the battery/back cover. To do this, remove the 4 top cover #4-40 socket head cap screws using a 3/32” Allen key driver (supplied).The SIM slots are positioned next to the battery. (if installed)

...

Note

Be cautious not to dislodge the battery during SIM removal or installation.

When reinstalling the battery cover, ensure that the gasket is in place. Tighten the screws in a criss-cross pattern until snug to achieve an optimal weather-tight seal. Do not over tighten; the recommended torque value is 4-5 in-lb.

Info

For certain applications or configurations, the internal battery may not be installed.

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