GLC-ZX-SM, Cisco GLC-ZX-SM SFP Module, 1550nm/70km/LC
$430
The 1000BASE-ZX SFP operates on standard single-mode fiber-optic link spans of up to approximately 70 km in length. The SFP provides an optical link budget of 21 dB, but the precise link span length depends on multiple factors such as fiber quality, number of splices, and connectors.
When shorter distances of single-mode fiber (SMF) are used, it might be necessary to insert an inline optical attenuator in the link to avoid overloading the receiver. A 10-dB inline optical attenuator should be inserted between the fiber-optic cable plant and the receiving port on the SFP at each end of the link whenever the fiber-optic cable span loss is less than 8 dB.
When shorter distances of single-mode fiber (SMF) are used, it might be necessary to insert an inline optical attenuator in the link to avoid overloading the receiver. A 10-dB inline optical attenuator should be inserted between the fiber-optic cable plant and the receiving port on the SFP at each end of the link whenever the fiber-optic cable span loss is less than 8 dB.
Cisco GLC-ZX-SM
Product Features
- ● Hot swappable to maximize uptime and simplify serviceability
- ● Flexibility of media and interface choice on a port-by-port basis, so you can “pay as you populate”
- ● Robust design for enhanced reliability
- ● Supports Digital Optical Monitoring (DOM) capability
Specifications Detail
GLC-ZX-SM Specifications |
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Cabling Specifications |
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| Wavelength (nm) | 1310 | ||
| Fiber Type | MMF | ||
| Optical specifications | |||
| Transmit Power Range (dBm) | +5 to 0 | ||
| Receive Power Range (dBm) | -3 to -23 | ||
| Maximum Channel insertion loss in dB (by fiber type) | 21 (any SMF) | ||
| Transmit and Receive Wavelength Range (nm) | 1500 to 1580 | ||
| Dimensions (H x W x D) | 8.5 x 13.4 x 56.5 mm | ||
| Temperature Range | IND | ||
| DOM | Yes | ||
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