Citizen CL-E321 Thermal Transfer Label Printer

The linear measurement across the central optical core of a fiber cable, expressed in units such as micrometres (µm), millimetres (mm) or centimetres (cm). It represents the width of the light‑guiding region and is used to identify the fibre type (e.g., single‑mode vs multimode) and its compatibility with connectors and equipment.

List of Linux operating systems that the product can run or support, including specific versions and architectures when relevant. Each value represents a distinct Linux distribution or kernel version supported by the hardware or software.

The longest linear dimension of a media item that the product can accommodate, expressed in a standard unit such as meters, centimeters or inches. It indicates the maximum size of paper, label, tape or other material that can be handled by the device.

The widest printable dimension of a product, expressed in a linear unit such as millimetres or inches. It indicates the maximum width of paper or media that can be fed through the device for printing operations.

The maximum distance across the widest part of a roll, expressed in units of length such as millimeters or centimeters. It indicates the largest diameter that a roll can have and is used to verify compatibility with devices, accessories, or systems requiring a specific roll size.

A list of operating systems that the server product can run or support, including specific versions and architectures when relevant. Each value represents a distinct OS compatible with the hardware.

A list of the printing languages or command sets that a printer can understand and execute, such as PCL, PostScript, ESC/P‑R, or PDF. These languages define how the printer interprets page descriptions and controls printing operations.