Cisco GLC-T Full Official Product Description
1. Part Number & Naming Definition
Official Full Name
Cisco 1000BASE-T Copper SFP (mini-GBIC) Transceiver Module
SKU:GLC-T
Naming Breakdown
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GLC: Gigabit Ethernet Small Form-Factor Pluggable Transceiver
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T: 1000BASE-T Twisted Pair Copper Ethernet
Core Product Positioning
The Cisco GLC-T is a hot‑swappable SFP (mini‑GBIC) copper transceiver compliant with IEEE 802.3ab 1000BASE‑T standard. It converts the SFP electrical interface to an RJ‑45 port, enabling Gigabit Ethernet connectivity over standard Category 5e/6 unshielded twisted pair (UTP) cables. Designed for Cisco switches, routers and wireless controllers equipped with SFP slots, it provides flexible copper uplink, server connection and aggregation port deployment without fiber cabling. It supports auto‑negotiation for 10/100/1000 Mbps operation and automatic MDI/MDI‑X crossover detection.
2. Hardware & Software Compatibility
Supported Host Platforms
Cisco Catalyst 2960, 3560, 3650, 3750, 3850, 4500, 6500, 6800, 9200, 9300; ISR 800/1100/4000 Series Routers; ASR 1000; Wireless Controllers; Firepower appliances with SFP slots.
Supported IOS / IOS XE Versions
All mainstream Cisco IOS and IOS XE releases with native SFP transceiver recognition.
Cabling Requirement
Category 5e or higher UTP/STP twisted pair cable
Unsupported Platforms
GBIC‑only slots, SFP+ / SFP28 / QSFP ports (requires adapter), MDS storage switches.
3. Physical & Electrical Performance Specifications
Form Factor
Hot‑swappable SFP (mini‑GBIC) compliant with SFP MSA
Interface
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Host Side: SFP edge connector
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Network Side: RJ‑45 (8P8C)
Data Rate
10/100/1000 Mbps auto‑negotiation, full/half duplex
Maximum Transmission Distance
100 meters over Cat5e / Cat6 twisted pair
Electrical Characteristics
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Supply Voltage: 3.3 V DC
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Typical Power Consumption: ≤1.0 W
Digital Diagnostics
No Digital Diagnostic Monitoring (DDM/DOM)support
Environmental Operating Parameters
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Operating Temperature: 0°C ~ +70°C (32°F ~ 158°F, Commercial Grade)
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Storage Temperature: -40°C ~ +85°C (-40°F ~ 185°F)
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Relative Humidity: 10% – 90%, non‑condensing
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Maximum operating altitude: 3,000 meters
4. Supported Functional Capabilities
Ethernet Features
Wire‑speed Gigabit transmission, auto‑negotiation, auto MDI/MDI‑X, IEEE 802.3x pause frame flow control
Layer 2 Protocol Support
802.1Q VLAN trunking, LACP, STP/RSTP/MSTP, EtherChannel link aggregation
Interface Diagnostics
Link status detection, packet error counters, loopback testing
High Availability
OIR hot‑swap capability on compatible chassis; link redundancy via spanning tree or port channels
Operations & Management
IOS / IOS XE CLI, SSH, SNMP v2c/v3, Syslog, interface statistics monitoring
5. Typical Deployment Scenarios
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Gigabit copper uplinks between access switches and aggregation core switches
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Direct Gigabit connections to servers, storage appliances and IP security cameras
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Flexible port expansion on SFP‑only switch models without fixed RJ45 ports
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Campus network migration scenarios mixing fiber and copper infrastructure
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Spare replacement transceiver for existing Cisco SFP‑based enterprise networks
6. Regulatory & Compliance Certifications
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Safety: UL 60950‑1, IEC/EN 60950‑1, CSA C22.2 No.60950‑1
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EMC: CE Mark, FCC Part 15 Class A, ICES‑003 Class A, VCCI Class A
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Standards: IEEE 802.3ab, SFP MSA
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Environmental: RoHS compliant, WEEE directive compliant
7. Standard Factory Package Contents
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Cisco GLC-T 1000BASE‑T SFP Copper Transceiver
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Hardware installation guide
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Safety and regulatory documentation
Note: RJ45 patch cables are sold separately.
End-of-Sale Status
The Cisco GLC-T remains available for order; extended temperature variantGLC-TEis offered for industrial deployments.
Recommended alternative for harsh environments: Cisco GLC-TE.
UNSPSC Classification Code
43222618 – Cisco GLC-T 1000BASE-T SFP copper transceiver, hot‑swappable Gigabit twisted‑pair module for Cisco enterprise switches and routers.
Hardware Warranty
Original Cisco units carry Cisco limited hardware warranty; refurbished units follow reseller warranty terms.
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