Use of Mode Conditioning Patch Cables in Gigabit Ethernet and 1. Gigabit Ethernet Laser- Based Transmissions PB5. This bulletin describes the necessary steps to help ensure that Gigabit and 1. Gigabit Ethernet laser- based transmissions over multimode fiber (MMF) are successfully implemented and supported. It depicts the requirements for mode conditioning patch (MCP) cables. Optical Transceivers Product Number Product Description WS- G5. Tripp Lite's N458-001-62, 62.5/125 micron, LC/SC, Male-to-Female Fiber adapter cable allows you to utilize older installed SC fiber cables when upgrading to newer switches using. Axen Technologies is specialized fiber optic patch cable supplier. We supply fiber optic patch cables, fiber optic patch cord, LC,SC/APC,ST, E2000/APC,MU, VF45,FC, MT-RJ, SC, MPO, Volition,MTP, FC/APC, ST/APC, LC/APC, E2000, DIN, D4, SMA, Escon,FDDI. SINGLEMODE Insertion Loss dB Return Loss dB Fiber Height Apex Offset Repeatability Vibration Operating Temperature Connector Max Typical Min Typical Min Max Max Max Change Max Change Range SC/UPC 0.35 0.20 55.00 58.00-50nm 0nm 50um 0.1dB 0. Fiber optic patch cord is one of most commonly used components in fiber optic network. Cisco 1. 00. 0BASE- LX/LH GBIC transceiver module for SMF and MMF, 1. Note there are mainly two types of MCP respectively for applications over 6. MMF and 5. 0- micron MMF. Mode Conditioning Patch Cables Product Number Product Description CAB- GELX- 6. IEEE 8. 02. 3z- compliant optical fiber assembly consisting of a single- mode fiber permanently coupled off- center to a 6. SC connectors at both ends. The patch cord is 3 meters (9. The patch cord is 1 meter (3. The patch cord is 1 meter (3. When required, it is inserted between a transceiver module and the MMF cable plant. Mode Conditioning Patch Cable Installation Types of Multimode Fiber. Table 3 provides a brief overview and naming conventions of various MMF types deployed in the field. Types of MMF Naming Convention Core Size in Microns Modal Bandwidth at 8. MHz*km) OFL Modal Bandwidth at 1. MHz*km) FDDI- grade 6. OM1 6. 2. 5 2. 00 5. OM2 5. 0 5. 00 5. OM3 5. 0 1. 50. 0 5. Requirements for Gigabit Ethernet Transmissions. The requirement for MCP is specified only for 1. FC, SC, ST, LC, MU, MT-RJ, MPO, MTP, DIN, D4, SMA, Escon, E2000, SC/APC, FC/APC, ST/APC, LC/APC, E2000/APC, MTP/APC and MPO/APC terminations. Rugged fiber optic patch cords and 10 Gig fiber optic patch cord available / RoHS compliant patch. BASE- LX/LH transceivers transmitting in the 1. MMF. MCP should never be used in 1. BASE- SX links in the 8. MCP should never be used for applications over OM3, also known as . In some cases, customers might experience that a link would be operating properly over FDDI- grade, OM1 or OM2 fiber types without MCP. However please note there is no guarantee link will be operating properly over time, and the recommendation remains to use the MCP. There is a risk associated to this type of nonstandard deployment without MCP, especially when the jumper cable is an FDDI- grade or OM1 type. In such case the power coupled directly into a 6. Bm and the adjacent receiver will be saturated. This can cause high bit error rate, link flaps, link down status and eventually irreversible damaged to the device. In the event customers remain reluctant to deploy MCP cables, and for customers using OM3 cables, please measure the power level before plugging the fiber into the adjacent receiver. When the received power is measured above - 3d. Bm, a 5- d. B attenuator for 1. Another alternative for short reaches within the same location is to use a single- mode patch cable. There will be no saturation over single- mode fiber. MCP should never be used in 1. GBASE- SR links in the 8. MCP should never be used for applications over OM3, also known as . In some cases, customers might experience that a link would be operating properly over OM2 fiber type without MCP. However chances of experiencing a properly operating link over FDDI- grade or OM1 fiber types without MCP are very low. In the event customers remain reluctant to deploy MCP cables over OM2, and for customers using OM3 cables, it is required to a plug a 5- d. B attenuator for 1. Another alternative for short reaches within the same location is to use a single- mode patch cable. There will be no saturation over single- mode fiber. Please note the 1. GBASE- LX4 devices can reach up to 1. IEEE. For customers using OM3 fiber type, MCP should not be used. It is highly recommended to measure the power level before plugging the fiber into the adjacent receiver. When the received power is measured to be above 0. Bm, a 5- d. B attenuator for 1. Another alternative for short reaches within the same location is to use a single- mode patch cable. There will be no saturation over single- mode fiber. Please note the 1. GBASE- LRM devices can reach up to 3. Cisco specifications.
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December 2016
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