HPE J9981A
Pro Curve J9981A 1820‑48G 48‑Port Managed Ethernet Switch
The HPE ProCurve J9981A (OfficeConnect 1820‑48G) is a renewed, managed Gigabit Ethernet switch delivering 48 RJ‑45 ports and 4 SFP expansion slots. With silent fan‑free operation and Layer 2 management features, it’s a cost‑effective network switch for small businesses, labs, or office networks.
Features
This smart‑managed switch includes comprehensive Layer 2 features like VLANs (802.1Q), Link Aggregation (LACP), Spanning Tree (STP/RSTP), QoS, IGMP Snooping, and Loop Protection—delivered through an intuitive web interface and SNMP v1/v2c . The four SFP ports support 100 Mbps or 1 Gbps fiber uplinks, offering flexibility in deployment .
Advanced Options
Despite being fan‑less and acoustically silent, it delivers robust performance with a throughput of up to 77.3 Mpps and switching capacity of 104 Gbps . Memory specs include 128 MB SDRAM, 16 MB flash, and an ARM Cortex‑A9 (400 MHz) CPU .
Product Key Features
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48 × Gigabit RJ‑45 + 4 × 100/1000 Mbps SFP ports for flexible connectivity
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Fan‑less design for silent operation in office or rack environments
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Layer 2 management with VLAN, QoS, LACP, STP/RSTP support
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Energy‑efficient with idle‑port power down and low power consumption
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Web‑based full management without need for CLI or serial console
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Ideal for SMBs, offices, and edge network deployments
Reliability & Performance
Designed for 24×7 reliability, the J9981A has a high MTBF (~61.7 years) and supports enterprise‑grade protocols such as LLDP and DoS protection . Silent operation makes it suitable for open-office environments. While lacking CLI or console port access, all configurations are managed via a web GUI or SNMP
Key Features :
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48 × 10/100/1000 Mbps RJ‑45 ports + 4 × 100/1000 Mbps SFP expansion
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Fanless silent operation
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Layer 2 managed switch: VLANs, QoS, LACP, STP/RSTP
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Web‑based management, SNMP v1/v2c, HTTPS
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Energy Efficient Ethernet, idle‑port power down
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Supports jumbo frames (~9 kB), IGMP Snooping, LLDP, port mirroring
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DoS prevention and security features
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Rack‑mountable 1U silent form factor
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