The industry-standard Cisco Small Form-Factor Pluggable (SFP) Gigabit Interface Converter links your switches and routers to the network. The hot-swappable input/output device plugs into a Gigabit Ethernet port or slot. Optical and copper models can be used on a wide variety of Cisco products and intermixed in combinations of 1000BASE-T, 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-EX, 1000BASE-ZX, or 1000BASE-BX10-D/U on a port-by-port basis.
1000BASE-T SFP for copper networks The 1000BASE-T SFP operates on standard Category 5 unshielded twisted-pair copper cabling of link lengths up to 100 m (328 ft). Cisco 1000BASE-T SFP modules support 10/100/1000 auto negotiation and Auto MDI/MDIX.
GLC-BX40-U-I Overview
Cisco GLC-BX40-U-I is a 1000BASE-BX40 SFP, delivering 1310 (TX) / 15500 (RX) nm Wavelength.
Quick Spec
Table 1 shows the quick spec.
Part Number | GLC-BX40-U-I |
Type | SFP (mini-GBIC) transceiver module |
Wavelength (nm) | 1310 (TX) / 1550 (RX) nm |
Fiber Type | 1000Base-BX40-U |
Mode | LC/PC single-mode |
Max Transfer Distance | 40KM |
Product Details
1000BASE-BX40-D and 1000BASE-BX40-U for Single-Fiber Bidirectional Applications
The Cisco GLC-BX40-D-I, GLC-BX40-DA-I and GLC-BX40-U-I SFPs operate on a single strand of standard SMF.
A GLC-BX40-D-I or GLC-BX40-DA-I device connects to a GLC-BX40-U-I device with a single strand of standard SMF with an operating transmission range up to 40 km. The communication over a single strand of fiber is achieved by separating the transmission wavelength of the two devices.
The GLC-BX40-D-I, GLC-BX40-DA-I, and GLC-BX40-U-I SFPs also support digital optical monitoring (DOM) functions according to the industry-standard SFF-8472 multisource agreement (MSA). This feature gives the end user the ability to monitor real-time parameters of the SFP, such as optical output power, optical input power, temperature, laser bias current, and transceiver supply voltage.
Compare to Similar Item
Table 2 shows the comparison.
Part Number | GLC-BX40-D-I | GLC-BX40-U-I |
Type | SFP (mini-GBIC) transceiver module | SFP (mini-GBIC) transceiver module |
Wavelength (nm) | 1550 (TX) / 1310 (RX) nm | 1310 (TX) / 1550 (RX) nm |
Fiber Type | 1000Base-BX40-D | 1000Base-BX40-U |
Mode | LC/PC single-mode | LC/PC single-mode |
Max Transfer Distance | 40KM | 40KM |
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GLC-BX40-U-I Specification
GLC-BX40-U-I Specification |
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Device Type | SFP (mini-GBIC) transceiver module |
Form Factor | Plug-in module |
Connectivity Technology | Wired |
Cabling Type | 1000Base-BX40-U |
Data Link Protocol | Gigabit Ethernet |
Optical Wave Length | 1310 (TX) / 1550 (RX) nm |
Max Transfer Distance | 40KM |
Features | Digital Optical Monitoring (DOM) support |
Compliant Standards | IEEE 802.3ah |
Interfaces | 1 x Ethernet 1000Base-BX40-U – LC/PC single-mode |
Dimensions (W × D × H) | 0.5 × 2.2 × 0.3 in |
Weight | 2.65 oz |
Operating Temperature | 32 – 158 ℉ |
Cisco SFP Modules for Gigabit Ethernet Applications Data Sheet
Cisco SFP Module Features and benefits
- 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
The Cisco 1-Gbps SFPs are supported across a variety of Cisco networking equipment*. For more details, refer to the document SFP Compatibility Matrix
Cisco Platforms support
Cisco Platforms | |
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Cisco 1000base SFP Modules Ordering information
Table 5.Ordering information
Product Number | Product Description |
GLC-T | 1000BASE-T standard |
GLC-TE | 1000BASE-T standard |
GLC-T-RGD | 1000BASE-T standard |
SFP-GE-T | 1000BASE-T NEBS 3 ESD |
GLC-SX-MMD | 1000BASE-SX short wavelength; with DOM |
GLC-SX-MM-RGD | 1000BASE-SX short wavelength; rugged |
GLC-LH-SMD | 1000BASE-LX/LH long-wavelength; with DOM |
GLC-LX-SM-RGD | 1000BASE-LX/LH long wavelength; rugged |
GLC-EX-SMD | 1000BASE-EX long-wavelength; with DOM |
GLC-ZX-SMD | 1000BASE-ZX extended distance; with DOM |
GLC-ZX-SM-RGD | 1000BASE-ZX extended distance; rugged |
GLC-GE-DR-LX | 100/1000BASE-LX long-wavelength; with DOM |
GLC-BX-D | 1000BASE-BX10-D downstream bidirectional single fiber; with DOM |
GLC-BX-U | 1000BASE-BX10-U upstream bidirectional single fiber; with DOM |
GLC-BX-D-I | 1000BASE-BX10-D downstream bidirectional single fiber, (IND) rated, with DOM |
GLC-BX-U-I | 1000BASE-BX10-U upstream bidirectional single fiber, (IND) rated, with DOM |
GLC-2BX-D | 2-channel 1000BASE-BX10-D downstream bidirectional single fiber; with DOM |
GLC-2BX-D-I | 2-channel 1000BASE-BX10-D downstream bidirectional single fiber; with DOM |
GLC-BX40-D-I | 1000BASE-BX40-D for 40km Single-Fiber Bidirectional Applications; with DOM |
GLC-BX40-DA-I | 1000BASE-BX40-D (Alternative) for 40km Single-Fiber Bidirectional Applications; with DOM |
GLC-BX40-U-I | 1000BASE-BX40-U for 40km Single-Fiber Bidirectional Applications; with DOM |
GLC-BX80-D-I | 1000BASE-BX80-D for 80km Single-Fiber Bidirectional Applications; with DOM |
GLC-BX80-U-I | 1000BASE-BX80-U for 80km Single-Fiber Bidirectional Applications; with DOM |
SFP-1G-LH | 1000BASE-LX/LH long wavelength module for 10GE ports |
SFP-1G-SX | 1000BASE-SX short wavelength module for 10GE ports |