Physical ports |
Port configuration | 48 10/100/1000BASE-T and 4 1/10GbE SFP+ ports |
Management Port | Out-of-band management port: |
1 x RJ-45 (10/100/1000BASE-T) |
1 x SFP (1000BASE-X) |
Console Port | 1 (RJ-45) |
USB | USB 2.0 |
Performance |
Switching capacity | 176Gbps |
Maximum forwarding rate | 131Mpps |
Major Components |
ASIC | Broadcom StrataXGS Hurricane2 |
CPU | Intel ATOM Processors |
Memory | 4GB DDR3/ECC |
Storage | 8GB Micro SD |
CPU |
Storage | 8GB Micro SD |
Layer 2 Features |
Switching Mode | Store-and-Forward |
Spanning Tree | 802.1w |
802.1s |
Auto Edge |
VLAN | IEEE 802.1Q Tagged Base |
Port-Based |
QinQ (802.1ad) |
802.3x Flow Control (Pause Frames) | Â |
Storm Control | Broadcast |
Unknown Multicast |
DLF (Unknown Unicast) |
IGMP Snooping | v1/v2/v3 |
v1/v2 Querier |
Immediate Leave |
Link Aggregation | 802.3ad with LACP |
Static Trunk |
Unicast/Multicast Traffic Balance over Trunking Port |
LACP Fallback |
Link State Tracking | Â |
Port Backup | Â |
Private VLAN | Â |
QoS Features |
Scheduling for priority queue | WRR, Strict, Hybrid |
COS | 802.1p |
IP TOS precedence |
DSCP |
DiffServ | Â |
iSCSI optimization | Â |
Security Features |
Static and dynamic port security (MAC-based) | Â |
802.1x (MD5, MS-CHAPv2) | MAC-based |
Port-based |
Auto VLAN assignment |
Guest VLAN |
Unauthenticated VLAN |
Access Control List | L2/L3/L4 |
IPv4/IPv6 ACL | L3/L4 |
RADIUS/TACACS+ | Authentication, Authorization, Accounting |
SSH V2.0 | Â |
User name and password | Local Authentication |
Remote Authentication via RADIUS/TACACS+ |
AAA |
Management IP filtering | SNMP |
Telnet |
SSH |
IP Source Guard | Â |
Dynamic ARP inspection (DAI) | Â |
DHCP snooping | IPv4 |
IPv6 |
Control Plane Policing / CoPP | Â |
Service Prohibit Access | Â |
Role Base Access Control (RBAC) | Â |
Management Features |
Industrial standard command-line interface | Â |
CLI filtering | Â |
CLI schedule | Â |
SSH | Â |
Software Update | TFTP |
SCP |
SFTP |
Configuration download/upload | TFTP |
SCP |
SFTP |
Dual Images | Â |
SNMP v1/v2c/v3 | Â |
SNMP inform v2 | Â |
RMON1 Groups: 1, 2, 3, 9 | Â |
DHCP client | Â |
DHCP relay (VxLAN environment supported) | Â |
Remote PING | Â |
Traceroute | Â |
NTPv4 | Â |
LLDP | 802.1ab |
802.MED |
Potential error detection |
UDLD | Â |
Port mirroring | SPAN |
RSPAN |
sFlow v5 | Â |
Email alerting | SMTP |
Error-Disable Recovery | Â |
SNTP | Â |
IPv6 Management |
IPv4/IPv6 Dual Protocol Stack | Â |
ICMPv6 | Â |
ICMPv6 Redirect | Â |
IPv6 Neighbor Discovery | Â |
Stateless Autoconfiguration | Â |
Manual Configuration | Â |
DHCPv6 client/relay | Â |
SNMP over IPv6 | Â |
SSH over IPv6 | Â |
IPv6 DNS Resolver | Â |
IPv6 RADIUS | Â |
IPv6 TACACS+ | Â |
IPv6 Syslog | Â |
IPv6 SNTP | Â |
Automation |
Auto installation | Â |
Mechanical |
Dimension (HxWxD) | 43.2x440x394mm |
Weight | T1048-LY4R 1 + 1 PSU: 6.04kg (NET) |
T1048-LY4R Single PSU: 5.57kg (NET) |
Environmental Specifications |
Operating temperature | 0~45°C |
Operating humidity | 90% maximum relative humidity |
Power |
PSU | 100~240VAC, 50/60Hz, 120W*2 (1+1) |
Power consumption | Idle Mode: 62W |
Normal Mode: 68W |
Safety |
Safety | UL, cUL, CB |
EMC |
EMC | CE, FCC, VCCI |
RoHS |
RoHS | Reduction of Hazardous Substances (RoHS) 6 |
Supported Optics and Cables |
Supported Optics and Cables | 1000BASE-T: Cat 5e |
DAC cable (SFP+): 0.5m, 1m, 1.5m, 2m, 2.5m, 3m, and 5m |
AOC cable (SFP+, 850nm, MMF): 1m, 3m, 7m, 10m, 20m, and 100m |
1G optic (SFP, LC, 850nm, MMF): 1000BASE-SR optic |
1G optic (SFP, LC, 1310nm, SMF): 1000BASE-LR optic |
10G optic (SFP+, LC, 850nm, MMF): 10GBASE-SR optic |
10G optic (SFP+, LC, 1310nm, SMF): 10GBASE-LR optic |
Ordering Information |
Ordering Information | T1048-LY4R (1LY4BZZ0STK) (Front to Back, 1+1 PSU, rail kit included) |
T1048-LY4R(1LY4BZZ0STL) (Back to Front, 1+1 PSU, rail kit included) |
T1048-LY4R (1LY4BZZ0STM) (Front to Back, single PSU, rail kit included) |
T1048-LY4R(1LY4BZZ0STN) (Back to Front, single PSU, rail kit included) |
PSU – (1HYQZZZ014D)(F-2-B, AC, 120W) |