Quanta QCT
T1048-LB9 1 GbE / 10 GbE Networking Switch

1 GbE / 10 GbE Networking SwitchQCT logo







  • Form Factor:1U height switch for standard rack mounting
  • Port Configuration:48 10BASE-T/100BASE-TX/1000BASE-T RJ-45 downlink ports, 4 1/10GbE SFP/SFP+ uplink ports
  • Management ports:1 10/100/1000-Mbps RJ-45 console port
    1 out-of-band management port
  • Power Supply:Dual high efficiency redundant, hot swappable power supplies

 QCT T1048-LB9 Specifications

Physical ports  
48 10Base-T/100Base-TX/1000Base-T ports
4 1GbE/10GbE dual speed SFP+ slots
1 RJ-45 out-of-band management port (10/100/1000)
1 RJ-45 console port
Switching capacity: 176Gbps
Forwarding rate: 131Mpps
Memory: 512MB
Flash: 32MB
MAC: 32K
Packet buffer: 4MB
Jumbo frame: 12K
L2 Features  
Auto-negotiation for port 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
– IEEE 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 Liked
– Unicast/Multicast traffic balance over trunking port (dst-ip, dst-mac, src-dst-ip, src-dst-mac, src-ip, src-mac)
Link state
Port backup
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, 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 backup supported
SNMP v1/v2c/v3
RMON 1, 2, 3 and 9
BOOTP: client/relay
DHCP: client/relay/option 82
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 (RFC3176)
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 Ping
Layer 3 features  
ARP (static: 128 and dynamic 3968)
Proxy ARP
Local proxy ARP
Static route
Unicast Routing: RIP v1/v2, OSPF
Multicast Routing: IGMP v1/v2/v3, DVMRP, PIM-DM/-SM
IGMP proxy
IPv6 Layer 3 features  
Static route
Unicast Routing: RIPng and OSFPv3
Multicast Routing: MLD v1/v2, PIM-DM6/-SM6
Dimension (HxWxD): 42.8x435x393.7 mm
Weight: 7.15kg(NET)
Environmental specifications  
Operating temperature: 0~45°C
Operating humidity: 90% maximum relative humidity
Reduction of Hazardous Substances (RoHS) 6
Order information  
T1048-LB9 (1LB9BZZ0STE) (Front to rear)
T1048-LB9 (1LB9BZZ0STF) (Rear to front)
Limited lifetime warranty

Safety / EMC

UL 60950-1 (2nd Ed.)
CSA C22.2 60950-1-07 (2nd Ed.)
IEC 60950-1 (2005)
EN 60950-1 (2006)
FCC 47CFR, Part 15 Class A
ICES-003 Class A
EN 55022 Class A
CISPR 22 Class A
EN 55024
EN 61000-3-2
EN 61000-3-3
EN 300 386 (2008)
VCCI Class A

* All specifications and figures are subject to change without prior notice.

For more information contact Zstor's sales team via E-Mail:

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