Shenzhen Jiangfan Communication Equipment Co., Ltd.
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Optical Fiber Circulator Multiple Circulator Chassis
Multiple Circulator Chassis
1. Dimensions and interface requirements
1.1 Appearance and Dimensions The circulator is packaged in a 2U chassis, with FC adapter output on the front and rear panels. The size of the case is 430×250×89mm, made of aluminum alloy Al5052, and the surface of the case is sandblasted and blackened. The thickness of the board is 1.5mm, and the front panel of the chassis has a handle. There are 54 FC single-connection ports on the front and rear panels, with port silk-screening. The diagrams below are for reference only.
1.2 Interface requirements 2U chassis front and rear panel interface adopts FC/APC adapter interface output, FC/APC optical fiber connector. The front panel has mounting positioning holes and handles. Channel identification: silk screen identification.
1.3 Weight Product weight: ≤1500g 1.4 Marks or labels The following marks should be marked on the devices or components: 1) Product name: Multi-channel single-mode 1550 circulator chassis 2) Specifications: To be determined 3) Production serial number: customer defined or customized
2. Performance indicators
2.1 Technical requirements
Multi-Channel Single-Mode 1550 Circulator Chassis Specifications
| serial number | Indicator name | unit | Indicator requirements | Remark |
| 1 | Number of channels | 108 channels in total,36 independent optical paths, 3 ports per optical path | Circulators with 18 independent optical paths on the front and rear panels | |
| 2 | Center wavelength | nm | 1550 | |
| 3 | working bandwidth | nm | 1550±20 | |
| 4 | Insertion loss | dB | ≤1.2 | Including fiber connector and adapter losses |
| 5 | Bandwidth Isolation | dB | ≥40 | |
| 6 | Peak isolation | dB | ≥50 | |
| 7 | crosstalk | dB | ≥50 | |
| 8 | Polarization dependent loss | dB | ≤0.1 | |
| 9 | return loss | dB | ≥55 | |
| 10 | Fiber Type | - | SMF 28e single mode fiber | |
| 11 | Pigtail length | cm | -- | Fiber reels in the chassis |
| 12 | Maximum carrying power | mW | ≤300 | |
| 13 | input/output | - | FC/APC | Flange output |
| 14 | Operating temperature | ℃ | -5~+70 | |
| 15 | Storage temperature | ℃ | -40~+85 | |
| 16 | Dimensions | mm | 430×250×89 | 2U chassis package |