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SMP111 • Reference Information 91

UL Rack Mounting Guidelines

The following Underwriters Laboratories (UL) guidelines pertain to the safe installation of the

SMP111 in a rack.

1. Elevated operating ambient temperature — If installed in a closed or multi‑unit rack

assembly, the operating ambient temperature of the rack environment can be greater

than room ambient temperature. Therefore, install the unit in an environment compatible

with the maximum ambient temperature (Tma = +122 °F, +50 °C) specified by Extron.

2. Reduced air flow — Install the equipment in a rack so that the amount of air flow

required for safe operation of the equipment is not compromised.

3. Mechanical loading — Mount the equipment in the rack so that a hazardous

condition is not achieved due to uneven mechanical loading.

4. Circuit overloading — Connect the equipment to the supply circuit and consider the

effect that circuit overloading might have on overcurrent protection and supply wiring.

Appropriate consideration of equipment nameplate ratings should be used when

addressing this concern.

5. Reliable earthing (grounding) — Maintain reliable grounding of rack‑mounted

equipment. Pay particular attention to supply connections other than direct connections

to the branch circuit (e.g. use of power strips).

Supported File Types, Drive Formats, and Browsers

File Formats

The SMP111 creates *.m4v and mp4 video and audio files, and *.jpg thumbnail and

chapter marker images. Optional fonts can be used for on‑screen displays.

Recording File Types

• mp4 (as m4v)

• m4a

Still Image File Types

• jpg (for SMP‑created thumbnails and chapter markers)

Font File Types

• TrueType

™

(.ttf)

• OpenType

(.otf)

NOTE: To upload a font file, use the File Upload Utility within the File

Management page. The user is responsible for obtaining any necessary font licenses

before uploading fonts to the SMP.

Drive Formats

The SMP111 supports FAT32, NTFS, and VFAT long file names, EXT2, EXT3 and EXT4

formats for USB drives that are used for file storage.

NOTE: A 3.8 GB file size limit is placed on FAT32 drives.

Extron electronics SMP 111 User Manual

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