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WS-X4232-GB-RJ
- Description:
- Catalyst 4500 PoE 802.3af 10/100, 48-Ports (RJ21) Linecard
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WS-X4232-GB-RJ Overview
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.
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WS-X4232-GB-RJ Specifications
| Product Type | Network Module / Network Card |
| Module Type | Ethernet Module |
| Data Rate | 1G |
| Connector Type | RJ-45 |
| Supported Protocols | TCP/IP |
| Form Factor | Modular |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco |
| Max Speed | 1Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 7W |
| Interface Ports | Ethernet |
| Expansion Slots | N/A |
| Product Name | WS-X4232-GB-RJ Gigabit Ethernet Module |
| Height | 0.5 inches |
| Width | 8.7 inches |
| Depth | 9.2 inches |
| Weight | 1.2 lbs |
WS-X4232-GB-RJ Use Case
Enterprise Campus VoIP & Wi-Fi PoE Consolidation with WS-X4232-GB-RJ
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.
Retail Chain Rapid Branch Rollout Using WS-X4232-GB-RJ for PoE POS & Surveillance
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.
Smart Building Security & Automation with WS-X4232-GB-RJ PoE Linecard
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Compatibility | Cisco Catalyst 4500 Series | Cisco | Cisco | Cisco | Cisco / Juniper / Arista / Dell / HP |
| Connector Type | RJ-45 | RJ-45 | SFP+ | RJ-45 | SFP |
| Data Rate | 1Gbps | 1Gbps | 10Gbps | 1G | 1Gbps |
| Depth | N/A | N/A | N/A | 9.2 inches | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | SFP |
| Form Factor | Modular | Modular | Modular | Modular | Modular |
| Height | N/A | N/A | N/A | 0.5 inches | N/A |
| Input Voltage | N/A | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | Ethernet | Ethernet | SFP+ | Ethernet | SFP |
| Max Speed | 1Gbps | 1Gbps | 10Gbps | 1Gbps | 1Gbps |
| Module Type | Ethernet | Ethernet | SFP+ | Ethernet Module | SFP |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | 20W | 12W | 7W | 2.5W |
| Product Name | WS-X4524-GB-RJ45V | WS-X4548-GB-RJ45V Gigabit Ethernet Module | WS-X4712-SFP+E 10GbE SFP+ Ethernet Module | WS-X4232-GB-RJ Gigabit Ethernet Module | ME-X4248-FE-SFP |
| Product Type | Network Module / Network Card | Network Module | Network Module | Network Module / Network Card | Network Module |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP | TCP/IP | TCP/IP |
| Weight | N/A | N/A | N/A | 1.2 lbs | N/A |
| Width | N/A | N/A | N/A | 8.7 inches | N/A |
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Questions & Answers
Q
What is the Cisco WS-X4232-GB-RJ linecard designed for?
A
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.
Q
How many PoE ports does the WS-X4232-GB-RJ support?
A
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.
Q
What is the total PoE power budget of this linecard?
A
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.
Q
Which Catalyst 4500 chassis models are compatible with the WS-X4232-GB-RJ?
A
This linecard is compatible with Catalyst 4500 Series chassis running Supervisor Engine 2 or later, including WS-X4506, WS-X4512, and WS-X4515 platforms.
Q
Does the WS-X4232-GB-RJ support Gigabit uplinks?
A
Yes, it includes two built-in 1000BASE-X uplink ports for fiber aggregation, ensuring high-speed connectivity to core switches.
Q
What breakout cable is required for RJ21 to RJ45?
A
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.
Q
How is the WS-X4232-GB-RJ installed in the chassis?
A
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.
Q
What is the forwarding capacity of this linecard?
A
It provides up to 7.68 Gbps of Layer 2 switching throughput, handling wire-speed forwarding across all 48 ports simultaneously.
Q
Which Layer 2 features does WS-X4232-GB-RJ support?
A
It supports VLANs, 802.1Q trunking, Spanning Tree Protocol (STP/RSTP/MSTP), PortFast, and EtherChannel for robust enterprise switching.
Q
Can I mix the WS-X4232-GB-RJ with other linecards in the same chassis?
A
Yes, it interoperates seamlessly with other Catalyst 4500 linecards—both PoE and non-PoE—under the same Supervisor Engine.
Q
What management protocols are supported?
A
Management is via Cisco IOS with support for SNMP, CLI, Telnet, SSH, RMON, and Cisco Prime Infrastructure integration.
Q
What are the environmental operating conditions?
A
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.
Q
What is the product warranty for the WS-X4232-GB-RJ?
A
Cisco offers a limited lifetime warranty and next-business-day replacement for eligible Catalyst 4500 linecards with a valid service contract.
Q
Which Cisco IOS images support this linecard?
A
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.
Q
What are common use cases for this linecard?
A
Ideal for mid-sized enterprise wiring closets, PoE IP telephony deployments, wireless access point backbones, and video surveillance feeds.
Q
How do I verify the PoE status of each port?
A
Use the Cisco IOS commands "show power inline" and "show interface status" to monitor PoE allocation, consumption, and port state in real time.
