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$1,177.00 Configured Summary
Quanta 48 Ports T1048-LY4 1U High Performance Switch
  • 1U 11.5" Rack Mountable Form Factor
  • 48x 10 Base-T / 100Base-TX / 1000Base-T RJ-45 Downlink Port
  • 2x 1/10GbE SFP/SFP+ Uplink Ports
  • 1x RJ-45 Console Port
  • 1x Out-of-Band 10/ 100/ 1000-Mbps Management Port
  • High Efficiency Single AC PSU or 48V DC Support Power Supply
Note: Image above may show a varied configuration or optional part. Please refer to parts list for standard parts included.
SKU T1048-LY4


Rack Unit:

Form Factor:

Physical ports:
48 10Base-T/100Base-TX/1000Base-T & 2 1/10G SFP+ ports (T1048-LY4A)
48 10Base-T/100Base-TX/1000Base-T & 4 10Base-T/100Base-TX/1000Base-T ports (T1048-LY4B)
48 10Base-T/100Base-TX/1000Base-T ports (T1048-LY4C)
1 RJ-45 out-of-band management port (10/100/1000)
1 RJ-45 console port
1 USB port

Switching capacity: 136Gbps (T1048-LY4A); 104Gbps (T1048-LY4B); 96Gbps (T1048-LY4C)
Forwarding rate: 101.2Mpps (T1048-LY4A); 77.4Mbps (T1048-LY4B); 71.4Mbps (T1048-LY4C)
Memory: 512MB
Flash: 32MB
MAC: 16K
Packet buffer: 1.5MB
Jumbo frame: 9K
L2 Features:
Auto-negotiation for ports speed and duplex
Flow control: IEEE 802.3x/back pressure
Switching mode: store-and-forward
Spanning Tree Protocol:
  • 802.1D, 802.1w, and 802.1s
  • Spanning Tree Fast Forwarding
  • Edge port
  • Loop guard
  • BPDU filter/guard
  • Auto Edge
  • TCN guard
  • Root guard
  • EEE 802.1Q tagged based
  • Port-based (up to 4k VLANs; 3965 user configurable VLANs)
  • 802.1v protocol VLAN
  • Voice VLAN
  • MAC-based VLAN
  • IP-subnet VLAN
  • QinQ
VTP v1/v2
Private VLAN
Storm control
  • Broadcast
  • Unknown multicast
  • Unknown unicast
IGMP snooping
  • IGMP snooping v1/v2/v3
  • IGMP v1/v2 querier
  • IGMP immediate leave
Ling Aggregation
  • 802.3ad with LACP
  • Cisco EtherChannel Like
  • Unicast/Multicast traffic balance over trunking port (dst-ip, dst-mac, src-dst-ip, src-dst-mac, src-ip, src-mac)

Queues per port: 8 queues
QoS queue management using Weighted Round Robin (WRR), Strict Priority (SP) and hybrid (WRR+SP)
COS: 802.1p, IP Precedence, and DSCP
Port rate limit

Static and dynamic port security (MAC-based)
802.1x: port-based, MAC-based, auto VLAN assignment, QoS assignment, guest VLAN, unauthenticated VLAN
ACL: L2/L3/L4
IPv6 ACL: L3/L4
RADIUS: authentication and accounting (up to 32 servers)
TACACS+: authentication (up to 5 servers)
HTTPS (AES 128-cbc, 3ES-cbc, Blowfish-cbc)
SSH v1.5/v2.0 (AES 128-cbc, 3ES-cbc, Blowfish-cbc)
User name and password: local authentication and remote authentication via RADIUS/TACACS+
Denial of Service control
Management IP filtering (SNMP/WEB/Telnet/SSH)
MAC filtering
IP Source Guard
Dynamic ARP inspection (DAI)
DHCP snooping

Industrial command line interface
CLI filtering
Software download/upload: TFTP/Xmodem/FTP
Configuration download/upload: TFTP/Xmodem/FTP
Dual image supported
SNMP v1/v2c/v3
RMON 1, 2, 3 and 9
BOOTP: client/relay
DHCP: client/relay/option 82 relay
Event/error log: local flash and remote server via system log (RFC3164)
DNS: client/relay
LLDP (802.1ab, Link Layer Discovery Protocol)
CDP (Cisco Discovery Protocol) version 2
Port mirroring: one to one and many to one
sFlow v5
IPv6 management:
  • IPv4/IPv6 Dual Stack
  • ICMPv6
  • ICMPv6 redirect
  • IPv6 Path MTU Discovery
  • IPv6 Neighbor Discovery
  • stateless auto-configuration
  • manual configuration
  • DHCPv6 (client)
  • SNMP/HTTP/SSH/Telnet over IPv6
  • IPv6 DNS resolver
  • IPv6 RADIUS/TACACS+ support
  • IPv6 Syslog support
  • IPv6 SNTP
  • IPv6 TFTP

Dimension (HxWxD)
43.2x440x292.1 mm
H1.7" x W17.4" x D11.5"

Weight in Net:
4kg (T1048-LY4A)
4.1kg (T1048-LY4B)

Environmental specifications:
Operating temperature: 0~45°C
Operating humidity: 90% maximum relative humidity

Reduction of Hazardous Substances (RoHS) 6
Note: Image above may show a varied configuration or optional part. Please refer to parts list for standard parts included.
Air Flow
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