Optoelectronic composite cable manufacturer Optoelectronic composite cable wholesale price Optoelectronic composite cable model specification

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　　Optoelectronic composite cable manufacturer Optoelectronic composite cable wholesale price Optoelectronic composite cable model specification

　　Optoelectronic composite cable, including cable core, waterproof layer, and sheath, characterized in that there are several bundle tubes and signal line units inside the cable core. The cable core is longitudinally wrapped with a waterproof tape; The outer surface of the signal line unit is wrapped with PBT; The sheath is a high-density PE composite cable that is longitudinally wrapped with corrugated steel plastic composite tape and then extruded.

　　1. According to the characteristics of the transmission medium inside the optical cable - optical fiber (glass or plastic fiber), it can be divided into single-mode fiber and multi-mode fiber,

　　2. According to the characteristics of the selected optical fibers, mining optical cables are divided into single-mode optical cables and multi-mode optical cables

　　3. Single mode (B): Refers to a conductor (commonly known as glass fiber) that transmits only one wavelength (frequency) in the medium (usually silicon dioxide, i.e. glass) and is slightly thicker than a human hair

　　Brittle, easily breakable, and tough (with high tensile strength), the mechanical properties of single-mode fibers are almost opposite to those of human hair. Based on the characteristics of other components of the medium, the inconsistency in optical transmission performance is caused. Single mode fibers are further divided into B1.1 (Non dispersion shifted single-mode fiber ITU-T G652) and B4 (Non zero dispersion shifted single-mode fiber ITU-T G655). Generally, the wavelengths that can be used are 1310nm or 1550nm, and the main single-mode fiber used is B1.1, sometimes abbreviated as B to refer to B1.1 (non-standard designation)

　　4. Multimode A1 (ITU-T G651): Refers to a conductor slightly thicker than a human hair that can simultaneously transmit multiple wavelengths (frequencies) in the medium (single-mode). Multimode optical fibers are further divided into A1a (50/125) and A1b (62.5/125) and collectively referred to as ITU-T G651. Generally, long wavelengths used include 1310nm or 850nm

　　5. Regarding Fiber Optic Transmission Distance

　　Generally, in single-mode transmission without relay, it can reach up to 120km, and in multi-mode transmission it is 2km; for 10/100/1000M optical signals, it can reach 60-80km in single-mode transmission without relay; for multi-mode transmission, it can reach 500m-50/125um; 200m--62.5/125um， Therefore, multi-mode is generally used for indoor or jumper cables, while single-mode is used for long-distance transmission in the field.

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