Manufacturer’s Description

High-speed/media flexible uplinks including Gigabit-SX, LX, and 1000Base-TQuality of Service through Class of Service (CoS) prioritization featuresOptional redundant power supplyHigh performance Gigabit stacking

The Specs

Type of Switch Ethernet Switch
Category Switches
Class Network Hardware
Network OS Support (Not Specified)
Standards SNMP v1|IGMP|CDP|STP|SNMP v2
Additional Specifications
Connectivity Media Twisted Pair EIA/TIA
Manufacturer Sku J4121A
Number of Stacks 16
Management Port Yes
Port/Expansion Slot Details 40 x Fast Ethernet Network
Management/Protocols Supported SNMP|IP|RMON|RMON II|RMON III
Fiber - FC (Not Applicable)
Fiber - FDDI MIC (Media Interface Connector) (Not Applicable)
Altitude 15090 ft Maximum Operating
Number of Network (RJ-45) Ports 40
Product Model 4000m
RJ-11 4-pin Modular Plug (Phone/Telco) (Not Applicable)
Width 17.4 in
Min Voltage 100 VAC
Fiber - Biconic (Not Applicable)
Flash Power 10 K MAC Address -
UPC 088698639177
RJ-45 Twisted-Pair (Xbase-T) (Not Specified)
Base Warranty (Not Applicable)
AUI/DIX-DB-15 Thick-Coaxial (Xbase-5) (Not Applicable)
Technical Support Phone Number 970-635-1000
Fiber - ST (Straight Tip) (Not Specified)
Labor Warranty (Not Specified)
Humidity 15% to 95% Operating
Height 7 in
Network Status Indicators (Not Specified)
BNC Thin-Coaxial (Xbase-2) (Not Applicable)
Product Family ProCurve
RJ-45 Station (UTP Cabled) Modular Plug (Not Applicable)
MAC Address Table Size 10 K
ISDN - U Interface (Not Applicable)
Fiber - VF-45 (Not Specified)
Fibre Channel - DB-9 FC-AL Standard 9-pin D-shell (Not Applicable)
Technical Support URL
Brand Name HP
Case Pack Quantity 1
Fiber - SC (Subscriber Connector) (Not Specified)
Frequency Band Stacking capability: Single IP address management for a virtual stack of up to 16 switches including the 1600m, 2400m, 2424m, 2512, 2524, 4000m, and 8000mPort monitoring: Allows you to monitor traffic using a switched port so you can view several ports at one time with a network analyzerProtocol filtering: Provides traffic controlClass of Service (CoS) tagging: Sets 802.1p priority field using policy-based managementSpanning Tree Protocol: Provides redundant links while preventing network loopsPort trunking: For higher switch-to-switch and switch-to-server throughput and link-level redundancyCisco Fast EtherChannel: Provides higher throughput to other devices that support FECAutomatic Broadcast Control (ABC): Minimizes IP and IPX broadcast traffic throughout the networkTACACS+: Eases administration of switch management security by using a password authentication serverLatency: < 10 µs (LIFO)
Installed Flash Memory (Not Applicable)
Management HP toptools for hubs & switches includedSNMPv1/v2cExtended RMONRFC 1493 Bridge MIBRMON groups: 1 (statistics), 2 (history), 3 (alarm), 9 (events)
normalized-Weight 368
Speeds Supported 10 Mbps|100 Mbps|1000 Mbps
Depth 13.2 in
Manufacturer Retail Type (Not Specified)
ISDN - S/T Interface (Not Specified)
DB-9 Station (STP Cabled) 9-pin D-shell (Not Applicable)
Language Localization (Not Specified)
Shipping Weight 30 lb
Product Line ProCurve
Geographic Localization (Not Specified)
Manufacturer Description Pro Curve Switch 4000M
Media Type Supported Twisted Pair
Parts Warranty Lifetime
Performance 4.7Mpps Throughput For 64-byte Packet
Manageable Yes
Number of Total Expansion Slots 10
Installed Main Memory (Not Applicable)
Description ProCurve 4000M 10BaseT/100BaseTX/Gigabit RS-232 Switch
Product Line Series Model 4000M
SKU J4121A
Fiber - SMA (Not Applicable)
Modules J4111A 10/100Base-TX
Fibre Channel - HSSDC (High-Speed Serial Data) (Not Applicable)
Temperature -40F (-40C) to 158F (70C) Storage
Network Architecture Supported Ethernet - 10 Mbps Twisted Pair (10BaseT)|Ethernet - 100 Mbps Two-Pair (100BaseTX)|Gigabit Ethernet (1000 Mbps)
IBM Data Connector (Not Applicable)
Max Voltage 240 VAC
Power Consumption 157 W @
normalized-Height 177.8
Vendor HEW
Color Temperature Lifetime Warranty for as long as you own the productIn many parts of the world we provide you with next-business-day advance replacement, where we will ship your replacement unit to you overnight. After you receive the replacement unit, you then return your current unit to HP. In some countries, next-business-day advance replacement is not available, so check with your local reseller or local HP office for more information.
Speeds Supported-Network 10 Mbps|100 Mbps|1000 Mbps
Total Number of Network Ports 40
Flow Control IEEE 802.3x (Full-duplex)
Quick Glance
Interfaces 40 x RJ-45 10/100Base-TX LAN|1 x DB-9 Console Management
Number of Network Ports 40
Weight 23 lbs
Dimensions 7" Height x 17.40" Width x 13.20" Depth
More Info
Warranty Information Lifetime

Related Switches & Hubs