Hirose Strain Relief Boot for TM21 and TM31 Modular Plugs, White, 50 Pieces TM21P-88P(32)/222-2862-9-32

Network installers and cabling technicians working with Hirose TM21 or TM31 modular plugs will find this white strain relief boot essential for protecting cable terminations. It slides over the plug and cable junction to prevent sharp bends that can break conductors or degrade signal integrity. The boot is made from flexible polymer that absorbs stress and keeps the cable aligned with the plug, extending the life of patch cords in high-movement environments such as patch panels, desks, and industrial equipment connections.

Key specifications

• Compatible connector series: Hirose TM21, TM31
• Compatible connector type: Modular plug (RJ45 type)
• Colour: White
• Material: Flexible polymer
• Quantity per pack: 50 pieces
• Mounting method: Slide-on
• Function: Bend protection, strain relief, cable management

Why choose it

This boot prevents cable failures at the connector, the most common point of wear. Its slide-on design allows quick installation without special tools, and the white colour helps with cable identification in structured cabling systems. The pack of 50 provides an economical solution for high-volume terminations.

Ideal use cases

• Protecting RJ45 patch cords in office networks
• Strain relief for modular plugs in industrial control panels
• Cable management in data centres and server rooms
• Colour-coding network connections for easy identification

Good to know

The boot is designed specifically for Hirose TM21 and TM31 series plugs, ensuring a secure fit. It is not intended for use with other connector types. The flexible polymer material maintains its shape and resilience over a wide temperature range, though specific operating temperature limits are not specified by the manufacturer.