Datasheet
Allied Telesis CentreCOM GS900M Series copper Gigabit
access switches are cost-effective and fully managed.
GS900M Series switches deliver exible uplink connectivity
with one small form-factor pluggable (SFP) slot on the
8-port model and 2 or 4 unpopulated combo ports
(10/100/1000T or 100/1000FX) on the 16/24-port models.
CentreCOM GS900M Series switches
feature quiet operation with a compact,
fanless 8-port model and a variable
fan control feature on the 16/24-port
models. All models feature 0-50°C
extended temperature capability. In
addition, the CentreCOM GS900M
Series includes ECO LED, ECO Trigger,
and Power Saving Mode for energy
efciency. CentreCOM GS900M Series
switches provide an intelligent, energy
efcient, and cost-effective solution for
the edge of the network.
» Web-based graphical user interface for simplified
administration
» Supports up to 50°C extended temperature
» Eco-friendly
» Flexible LAN authentication functions
» Tri Authentication: Any one physical port can
support a combination of IEEE 802.1X, MAC, and
Web Authentication. Therefore, the user doesn’t
have to set each port configuration based on the
authentication method on the connected device.
Key Features
» Multiple Dynamic VLAN: The traffic from a
device is classified into a dynamic VLAN after the
connection is authenticated
» IGMP v3 / MLD v2 Snooping: Limits the flooding
of multicast traffic by dynamically configuring L2
interfaces so that multicast traffic is forwarded to
only those interfaces associated with IP multicast
address
Specifications
Port Speed
10Mbps/100Mbps/1000Mbps
Port Configuration
Ports 10/100/1000T (RJ-45 Connector)
AT-GS908M × 8
AT-GS916M × 16
AT-GS924M × 24
Auto-Negotiation
Auto MDI/MDI-X
MDI/MDI-X Manual Configuration
Full Duplex/Half Duplex Manual Configuration (only on
10/100Mbps mode)
SFP Slots AT-GS908M × 1
AT-GS916M × 2
AT-GS924M × 4
Cable Specifications
10T UTP Category 3 or better
100T UTP Category 5 or better
1000T UTP Enhanced Category 5 or better
Ethernet Specifications
IEEE 802.3 10BASE-T
IEEE 802.3u 100BASE-TX
IEEE 802.3u 100BASE-FX
IEEE 802.3ab 1000BASE-T
IEEE 802.3z 1000BASE-SX/LX
IEEE 802.3ah 100BASE-BX, 1000BASE-BX10
IEEE 802.3x Flow Control
IEEE 802.3ad Link Aggregation Manual Configuration
IEEE 802.1D Spanning-Tree STP Compatible
IEEE 802.1Q VLAN Tagging
IEEE 802.1X Port-Based Network Access Control
IEEE 802.1p Class of Service, priority protocol
IEEE 802.1s Multiple Spanning-Tree
IEEE 802.1w Rapid Spanning-Tree
LEDs
Selectable Port LED as Speed or Duplex indicator, port LED
can be disabled.
LINK/ACT Green: Link Established
Flashing: Send/Receive Packets
SPD/DPX (SPEED) Green: 1000Mbps link established
SPD/DPX (DUPLEX)
Green: Full Duplex link established
SFP Slot LED
LINK/ACT Green: Link Established
Flashing: Send/Receive Packets
Status LED
POWER Green: Power On
FAULT Red: Detecting Error
Flashing: Booting, Writing to
Flash Memory, Error on FAN,
Voltage, Temp
STANDBY Green: Standby Mode
Supported Features
VLAN (Port-based/lEEE 802.1Q Tagging)
Multiple VLAN
Spanning-Tree (IEEE 802.1 D STP Compatible/IEEE 802.1 w/
lEEE 802.1s)
QoS (IEEE 802.1p/Diffserv)
Policy-Based QoS
IEEE 802.1x Authentication (Single Host/Multiple Host/Multiple
Authentication)
IEEE 802.1x Encryption Mode (MD5/TLS/TTLS/PEAP)
Dynamic VLAN
Multiple Dynamic VLAN
MAC Address-based Authentication
Web Authentication
Supplicant MAC Authentication
EPSR-Aware
Port Trunking (lEEE 802.3ad Manual Configuration)
Port Mirroring
Port Security
Flow Control
Packet Storm Protection
Loop Guard (LDF Detection/Ingress Rate Detection)
Ingress Filtering
HoL Blocking Prevention
IGMP v3 Snooping
MLD v2 Snooping
BPDU/EAP Forwarding
DHCP Snooping
Access Filter
DHCP Client
RADIUS Accounting
Jumbo Frame
Logging
Script
SNTP
Statistics
eco-friendly features (Power Saving Mode)
Auto Fan Control
Download firmware and configuration by TFTP/Zmodem/HTTP
Management
SNMP SNMP v1, SNMP v2c
SNMP MIB MIB II (RFC1213), Ethernet MIB(RFC3635)
Extended Interface MIB(RFC2863 [if X Entry])
Bridge MIB(RFC1493)
Dot1q MIB RFC2674, Private MIB
Terminal Telnet, VT100 (via Console), Web GUI
(via HTTP, requires Internet Explorer)
alliedtelesis.com
CentreCOM
®
GS900M Copper Series
LAYER 2 GIGABIT ACCESS SWITCHES
Switches
PRODUCT INFORMATION