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WS-X4232-GB-RJ
Catalyst 4500 PoE 802.3af 10/100, 48-Ports (RJ21) Linecard
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WS-X4232-GB-RJ is a Gigabit Ethernet module that delivers 1Gbps data rates through an RJ-45 connector, designed to integrate seamlessly with Cisco routers and switches. It supports industry-standard TCP/IP protocols and features a modular form factor for effortless installation and high-performance networking in enterprise environments.
Optimized for data center expansion and upgrading server network interfaces, the WS-X4232-GB-RJ module offers a robust solution that includes features such as auto-negotiation, Wake-on-LAN, jumbo frames, and QoS. Its compact design, efficient power consumption, and reliable performance make it an ideal choice for high-speed network implementations.
WS-X4232-GB-RJ price is is available on request. Get immediate quote.
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In a multi-building corporate campus, IT teams deploy the WS-X4232-GB-RJ Catalyst 4500 PoE 802.3af 10/100 48-Ports (RJ21) linecard in each main distribution frame to power 48 IP phones and 12 Wi-Fi access points per rack via a single RJ21 trunk. This setup slashes patch-cable clutter by 70%, centralizes PoE budget management, and delivers consistent 15.4W per port. Outcome: unified voice and wireless services with zero downtime, 30% faster maintenance, and guaranteed SLA compliance.
A national retail chain standardizes on the WS-X4232-GB-RJ Catalyst 4500 PoE 802.3af 10/100 48-Ports (RJ21) linecard to accelerate store openings. Each RJ21 link powers 48 PoE-enabled POS terminals, barcode scanners, and security cameras from the branch switch. Centralized power-cycling and port-level monitoring reduce on-site cabling by 40% and cut deployment time from days to hours. Outcome: 100% on-time store launches, consistent checkout and video security, and a 25% reduction in OPEX.
In a smart commercial tower, facility managers install the WS-X4232-GB-RJ Catalyst 4500 PoE 802.3af 10/100 48-Ports (RJ21) linecard to feed IP surveillance cameras, door-entry readers, and environmental sensors from one RJ21 trunk per floor. The centralized PoE supply ensures reliable 15.4W output, remote device reboot, and seamless BMS integration. Outcome: enhanced real-time monitoring, simplified cabling infrastructure, and a 25% reduction in installation time—all backed by enterprise-grade resiliency.
To get the detailed certification, please go to the Compliance Center.
| WS-X4232-GB-RJ |  WS-X4712-SFP+E |  ME-X4248-FE-SFP |  WS-X4548-GB-RJ45V |  WS-X4524-GB-RJ45V | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Module | Network Module | Network Module | Network Module / Network Card |
| Module Type | Ethernet Module | SFP+ | SFP | Ethernet | Ethernet |
| Data Rate | 1G | 10Gbps | 1Gbps | 1Gbps | 1Gbps |
| Connector Type | RJ-45 | SFP+ | SFP | RJ-45 | RJ-45 |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP | TCP/IP | TCP/IP |
| Form Factor | Modular | Modular | Modular | Modular | Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | N/A |
| Compatibility | Cisco | Cisco | Cisco / Juniper / Arista / Dell / HP | Cisco | Cisco Catalyst 4500 Series |
| Max Speed | 1Gbps | 10Gbps | 1Gbps | 1Gbps | 1Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | 7W | 12W | 2.5W | 20W | N/A |
| Interface Ports | Ethernet | SFP+ | SFP | Ethernet | Ethernet |
| Expansion Slots | N/A | N/A | SFP | N/A | N/A |
| Product Name | WS-X4232-GB-RJ Gigabit Ethernet Module | WS-X4712-SFP+E 10GbE SFP+ Ethernet Module | ME-X4248-FE-SFP | WS-X4548-GB-RJ45V Gigabit Ethernet Module | WS-X4524-GB-RJ45V |
| Height | 0.5 inches | N/A | N/A | N/A | N/A |
| Width | 8.7 inches | N/A | N/A | N/A | N/A |
| Depth | 9.2 inches | N/A | N/A | N/A | N/A |
| Weight | 1.2 lbs | N/A | N/A | N/A | N/A |
The WS-X4232-GB-RJ line card is a great solution. It provides high-speed connectivity and integrates easily with our existing infrastructure.
We rely on the WS-X4232-GB-RJ for stable, high-speed connections. It delivers exceptional performance and ensures smooth communication across our network.
The WS-X4232-GB-RJ offers excellent connectivity. It performs well even under heavy traffic and is a reliable addition to our network.
The WS-X4232-GB-RJ is perfect for high-density environments. It provides stable, fast connections and handles heavy data traffic with ease.
The WS-X4232-GB-RJ delivers great value. It's reliable, easy to install, and provides high-speed connectivity with minimal downtime.
The WS-X4232-GB-RJ is a Catalyst 4500 PoE linecard providing 48-port 10/100 connectivity over a single RJ21 interface, optimized for mid-density enterprise deployments.
It delivers 48 IEEE 802.3af-compliant Power over Ethernet ports via one RJ21 connector, enabling centralized power distribution to IP phones, cameras, and wireless access points.
The WS-X4232-GB-RJ offers a 370 W maximum PoE budget, supporting up to 15.4 W per port under the IEEE 802.3af standard.
This linecard is compatible with Catalyst 4500 Series chassis running Supervisor Engine 2 or later, including WS-X4506, WS-X4512, and WS-X4515 platforms.
Yes, it includes two built-in 1000BASE-X uplink ports for fiber aggregation, ensuring high-speed connectivity to core switches.
You need a Cisco CAB-J21‐48R 48-port RJ21-to-RJ45 breakout cable to translate the single RJ21 connector into 48 individual Ethernet ports.
Power down the Catalyst 4500 chassis, slide the linecard into an available slot, secure it with retention screws, then power the chassis back on for automatic recognition.
It provides up to 7.68 Gbps of Layer 2 switching throughput, handling wire-speed forwarding across all 48 ports simultaneously.
It supports VLANs, 802.1Q trunking, Spanning Tree Protocol (STP/RSTP/MSTP), PortFast, and EtherChannel for robust enterprise switching.
Yes, it interoperates seamlessly with other Catalyst 4500 linecards—both PoE and non-PoE—under the same Supervisor Engine.
Management is via Cisco IOS with support for SNMP, CLI, Telnet, SSH, RMON, and Cisco Prime Infrastructure integration.
Operating temperature ranges from 32°F to 104°F (0°C to 40°C) with up to 90% non-condensing humidity, meeting standard data center requirements.
Cisco offers a limited lifetime warranty and next-business-day replacement for eligible Catalyst 4500 linecards with a valid service contract.
The WS-X4232-GB-RJ is supported on Cisco IOS Release 12.2SX or later, including feature sets such as IP Base and Enterprise Services.
Ideal for mid-sized enterprise wiring closets, PoE IP telephony deployments, wireless access point backbones, and video surveillance feeds.
Use the Cisco IOS commands "show power inline" and "show interface status" to monitor PoE allocation, consumption, and port state in real time.
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