Description
The Extreme Networks A4H124-24TX P0973JM is a high-performance managed Ethernet switch designed for industrial control networks, enterprise automation systems, and process control environments. It belongs to the A-Series A4 family originally developed by Enterasys Networks and later supported under Extreme Networks.
The A4H124-24TX provides 24 copper Ethernet ports with Layer 2 switching capability, supporting network management features such as VLAN, QoS, SNMP monitoring, port diagnostics, and redundant power options. It is suitable for connecting PLCs, DCS controllers, industrial computers, remote I/O systems, and other Ethernet-based automation devices.
This managed switch is commonly used in Foxboro I/A Series, industrial Ethernet backbone networks, and legacy automation installations requiring reliable communication infrastructure and replacement networking hardware.
🔹 Product Parameters
| Parameter | Specification |
|---|---|
| Brand | Extreme Networks / Enterasys |
| Model | A4H124-24TX |
| Part Number | P0973JM |
| Series | A-Series A4 Managed Switch |
| Product Name | 24-Port Managed Ethernet Switch |
| Port Configuration | 24 × RJ-45 Ethernet Ports |
| Network Type | Layer 2 Managed Ethernet Switching |
| Communication Speed | 10/100/1000Base-T Gigabit Ethernet |
| Uplink Interface | 2 × Gigabit RJ-45 + 2 × Gigabit SFP Uplink Ports |
| Management Interface | Web, Console, SNMP/RMON |
| Switching Capacity | Approx. 12.8 Gbps |
| MAC Address Table | Up to 16,000 Entries |
| VLAN Support | IEEE 802.1Q VLAN |
| QoS Support | IEEE 802.1p Priority Queuing |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Power Consumption | Approx. 31 W |
| Dimensions | Approx. 44.1 × 4.4 × 20.7 cm |
| Weight | Approx. 2.58 kg |
| Mounting Type | 19-inch Rack Mount / Desktop |
| Operating Temperature | 0°C to 50°C |
| Origin / Place of Manufacture | USA / Industrial Network Equipment |
| Product Status | New Surplus / Refurbished / Used Available |
| Discontinued Status | Legacy Product, Limited Availability |
🔹 Common Questions & Answers
Q: What is the main function of the A4H124-24TX P0973JM?
A: It is a managed Ethernet switch used to connect industrial controllers, computers, and automation devices through a reliable Ethernet network.
Q: How many ports does this switch provide?
A: The A4H124-24TX provides 24 RJ-45 copper Ethernet ports for network connections.
Q: Does this switch support Gigabit Ethernet?
A: Yes. It supports Gigabit uplink connections and Ethernet auto-negotiation functions.
Q: What management functions are available?
A: The switch supports network monitoring and configuration through management interfaces including SNMP and web-based tools.
Q: What are common failure symptoms?
A: Common issues include port communication loss, network link failure, unstable data transmission, power supply alarms, or configuration errors.
Q: What should be checked before replacement?
A: Verify the exact model number, port requirements, firmware compatibility, network configuration, uplink modules, and existing industrial Ethernet topology.
Q: Is A4H124-24TX still manufactured?
A: It is considered a legacy industrial networking product and is mainly available through surplus inventory, repair, and replacement channels.
🔹 Recommended Extreme Networks Models
- A4H124-24 – A-Series 24-Port Managed Ethernet Switch
- A4H124-24P – A-Series 24-Port PoE Managed Switch
- A4H124-48 – A-Series 48-Port Managed Ethernet Switch
- A4H124-48P – A-Series 48-Port PoE Managed Switch
- A4H254-8F8T – A-Series Fiber/Copper Managed Switch
- A2H124-24FX – SecureStack Managed Ethernet Switch
- A2H124-24 – SecureStack Layer 2 Switch
- B5G124-24 – Extreme Networks B-Series Managed Switch
- B5K125-48 – Extreme Networks Modular Switch
- X440-24t – ExtremeXOS Managed Ethernet Switch
- X440-G2-24t – ExtremeXOS Gigabit Switch
- X460-24t – Extreme Networks Enterprise Switch
- X450a-24t – Extreme Networks Layer 3 Switch
- VSP4450GSX-PWR+ – Virtual Services Platform Switch
- 7100-24T – Extreme Networks Data Center Ethernet Switch
