The provided information does not contain specific details on filler rope selection for data center cabling. However, based on general industry knowledge, filler ropes are used in fiber optic cables to provide structural support, improve handling, and protect fibers during installation and operation. For data center environments, which demand high density, reliability, and ease of management, the selection of filler ropes should consider the following factors:

‌Material compatibility‌: Filler ropes are typically made from aramid yarn (e.g., Kevlar) or other high-strength, non-conductive materials to ensure durability and resistance to environmental factors like moisture and temperature fluctuations. 

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1.‌Cable type alignment‌: In data centers, where space and performance are critical, filler ropes should be compatible with the cable design—such as tight-buffered or loose-tube configurations—to maintain signal integrity and facilitate routing in confined spaces.

‌Installation and maintenance‌: Filler ropes that enhance cable flexibility and reduce kinking can simplify installation in data center racks and pathways. Additionally, features like color-coding or labeling can aid in identification and reduce errors during maintenance. 

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2.‌Environmental protection‌: For data centers with strict environmental controls, filler ropes with moisture-resistant or flame-retardant properties may be preferred to meet safety and operational standards.

When selecting filler ropes, it is essential to consult cable manufacturer specifications and industry standards (e.g., TIA/EIA or ISO/IEC) to ensure compatibility with the data center's infrastructure and cabling system.