Nortel BayStack 420-24T Ethernet Switch - AL2012E39

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Product Overview

The BayStack 420-24T Switch is a stackable 10/100/1000 Layer 2 Ethernet switch that combines high port density with low per-port pricing for small- to medium-sized businesses and branch offices. A single 1U-high unit supports 24 10/100 Mbps ports; a stack of 8 units, managed as a single entity, supports up to 192 ports for a flexible, scale-as-needed architecture.


Manufacturer Nortel Networks
Mfg Part# AL2012E39
SKU 10346138
UPC 056097017186
UPC 14 00056097017186
Total Number of Network Ports 24
Port/Expansion Slot Details 1 x Gigabit Ethernet Expansion Slot
Product Type Ethernet Switch
Manufacturer Part Number AL2012E39
Manufacturer Nortel Networks Limited
Product Model 420-24T
Product Name BayStack 420-24T Ethernet Switch
Product Line BayStack
Brand Name Nortel
Expansion Slot Type SFP
Number of Total Expansion Slots 1
Number of SFP Slots 1
Network Technology 10/100Base-TX
Ethernet Technology Fast Ethernet
Media Type Supported Twisted Pair
Weight (Approximate) 6.20 lb
Form Factor Desktop
Height 1.8"
Width 17.1"
Depth 8"
Power Source Power Supply
Manageable Yes
Tech Specs
Status Indicators Port status Port transmission speed Port duplex mode
Number of Ports 24
Fast Ethernet Port Yes
Altitude 10000 ft Maximum Operating / 10000 ft Maximum Storage
Humidity 0% to 85% Maximum Non-condensing Operating / 95% Maximum Non-condensing Storage
Temperature 32°F (0°C) to 104°F (40°C) Operating / -13°F (-25°C) to 158°F (70°C) Storage
Thermal Dissipation 220 BTU/h
Product Type Ethernet Switch
Manufacturer Part Number AL2012E39
Manufacturer Website Address
Manufacturer Nortel Networks Limited
Product Name BayStack 420-24T Ethernet Switch
Product Line BayStack
Brand Name Nortel
Expansion Slots (1 Total) SFP (mini-GBIC)
Number of Expansion Slots 1
Connectivity Media UTP 10/100Base-TX
Performance Up to 5.1Mpps Forwarding Rate / 14880pps Forwarding Rate 10Mbps Port / 148810pps Forwarding Rate 100Mbps Port / 1.4881e+06pps Forwarding Rate 1Gbps Port
Additional Information Data Rate and Encoding: 10 Mbps: Manchester encoding 100 Mbps: 4B/5B encoding 1000 Mbps: 8B/10B Stackable 10/100/1000 layer 2 Ethernet switch provides 24 10BASE-T/100BASE-TX auto-sensing ports, 1 GBIC-based (Gigabit Interface Converter) uplink slot, and built-in stacking connectors. Full auto-sensing on every UTP port automatically detects and supports the speed and mode of a connected device-10 Mbps or 100 Mbps, half- or full-duplex. A "plug-and-play" stacking architecture enables up to 8 BayStack 420-24T Switches to be connected with stacking cables into a fail-safe cascade configuration that provides up to 192 ports, managed as a single entity. Wire-speed performance is achieved by a 12.8 Gigabit per second (Gbps) switching fabric and ASICs that support full 802.1D-compliant MAC Layer frame forwarding and filtering across all ports at up to 5.1 million packets per second. GBIC (Gigabit Interface Converter) module options provide a choice of fiber interfaces to connect to distant servers or a larger network, including SX, LX, XD (50 km) and ZX (70 km) for long haul connectivity. MultiLink Trunking (MLT) groups up to four 10/100 uplink ports together to provide up to 800 Mbps of bandwidth, up to 6 MLTs per switch or per stack. Up to 32 port-based VLANs can be established for each switch, to extend the broadcast domain and segment network traffic for higher network efficiency. Support for up to 8,000 MAC addresses provides scalability for growing networks with many attached devices and workgroups connected to each switch. Standalone or stacked switches can be managed from the Web as a single entity with one IP address, using free software from Nortel Networks-or managed with Nortel Networks Optivity Network Management software.
Certifications & Standards IEEE 802.3 IEEE 802.3u IEEE 802.3x IEEE 802.3z IEEE 802.1D IEEE 802.1Q Electromagnetic Emissions US: FCC Part 15, Subpart B, Class A Canada: ICES-003, Issue-2, Class A Japan: VCCI V-3/99.04, Class A Australia/New Zealand: AS/NZS 3548: 1997, Class A Taiwan: BSMI Europe: CISPR 22: 1997, Class A EN 55022: 1998, Class A EN 61000-3-2: 1998, Class A EN 61000-3-3: 1995 EN 55024 CE Safety Standards Certification: US: UL 1950 (Third Edition) UL-94V-1 Flammability requirement for PCBs Canada: CSA-C22.2 No. 950-95 Europe: TUV, EN 60950, IEC 60950 Mexico: NOM - 019
Address Table 8 K MAC Address -
Flow Control IEEE 802.3x (Full-duplex)
Number of Stacks 8
Dimensions 1.75" Height x 17.13" Width x 8" Depth
Weight (Approximate) 6.20 lb
Form Factor Desktop
Input Voltage 110 V AC / 220 V AC
Power Source Power Supply
Frequency 47 Hz to 63 Hz
Input Current 2 A @ 100 V AC / 1 A @ 240 V AC
Power Consumption Up to 50 W @
Input Voltage Range 100 V AC to 240 V AC
Protocols SNMP / Telnet / HTTP
Management BootP and TFTP support for centralized administration tasks user and administrator authentication concurrent RMON on every port (alarms, events, history, statistics) port mirroring for in-depth traffic analysis backup configuration files on a TFTP server
Manageable Yes
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