Standard	IEEE 802.3	10Base-T 10Mbit/s Ethernet
IEEE 802.3u	100Base-TX, 100Base-FX, Fast Ethernet
IEEE 802.3z	1000Base-X Gbit/s Ethernet over Fiber-Optic
IEEE 802.1d	STP (Spanning Tree Protocol)
IEEE 802.1w	RSTP (Rapid Spanning Tree Protocol )
IEEE 802.1s	MSTP (Multiple Spanning Tree Protocol)
ITU-T G.8032 / Y.1344	ERPS (Ethernet Ring Protection Switching)
IEEE 802.1Q	Virtual LANs (VLAN)
IEEE 802.1X	Port based and MAC based Network Access Control, Authentication
IEEE802.3ac	Max frame size extended to 1522Bytes.
IEEE 802.3ad	Link aggregation for parallel links with LACP(Link Aggregation Control Protocol)
IEEE 802.3x	Flow control for Full Duplex
IEEE 802.1ad	Stacked VLANs, Q-in-Q
IEEE 802.1p	LAN Layer 2 QoS/CoS Protocol for Traffic Prioritization
IEEE 802.1ab	Link Layer Discovery Protocol (LLDP)
IEEE 802.3az	EEE (Energy Efficient Ethernet)
VLAN ID	4094 IEEE802.1Q VLAN VID
Switch Architecture	Back-plane (Switching Fabric):
	4.8Gbps (IFS-402GSM), 7.6Gbps (IFS-803GSM)
	11.2Gbps (IFS-1604GSM)
	Full wire-speed
Data Processing	Store and Forward
Flow Control	IEEE 802.3x for full duplex mode Back pressure for half duplex mode
Network Connector	4x 10/100Base-TX RJ-45 + 2x 100/1000Base-X SFP connector (IFS-402GSM)
	8x 10/100Base-TX RJ-45 + 3x 100/1000Base-X SFP connector (IFS-803GSM)
	16x 10/100Base-TX RJ-45 + 4x 100/1000Base-X SFP connector (IFS-1604GSM)
	RJ-45 UTP port support Auto negotiation speed, Auto MDI/MDI-X function,
	SFP port support dual speed with DDMI
Console	RS-232 (RJ-45)
Network Cable	UTP/STP above Cat. 5e cable
EIA/TIA-568 100-ohm (100m)
Protocols	CSMA/CD
Reverse Polarity Protection	Present
Overload Current Protection	Present
CPU Watch Dog	Present
Power Supply	Redundant Dual DC 12/24/48V (9.6~60VDC) Input power (Removable Terminal Block )
Provide DC Power JACK adapter cable for external
power supply
Power Consumption	Input	IFS-	IFS-	IFS-
	Voltage	402GSM	803GSM	1604GSM
	12VDC	5.7W	6.5W	10.8W
	24VDC	5.8W	7W	10.6W
	48VDC	8.5W	8.6W	12.5W
LED	Per unit: Power 1 (Green), Power 2 (Green), Fault (Amber), CPU Act (Green), Ring Master (Yellow)
Per RJ-45 port: 10/100 Link/Active (Green)
SFP Fiber Per port: Link/Active (Green)
Jumbo Frame	9.6KB
IEEE802.3ac	Max frame size extended to 1522Bytes (allow Q-tag in packet)
MAC Address Table	8K
Memory Buffer	512K Bytes for packet buffer
Warning Message	System Syslog, SMTP/ e-mail event message, alarm relay
Alarm Relay Contact	Relay outputs with current carrying capacity of 1 A @24VDC
Removable Terminal Block	Provide 2 redundant power, alarm relay contact, 6 Pin
Operating Temperature	-10 ~ 60°C (IFS-402GSM, IFS-803GSM, IFS-1604GSM) -40 ~ 75°C (IFS-402GSM-E, IFS-803GSM-E, IFS-1604GSM-E)
Operating Humidity	5% to 95% (Non-condensing)
Storage Temperature	-40 ~ 85°C
Housing	Rugged Metal, IP30 Protection, Fanless
Dimensions	106 x 62.5 x 135 mm (D x W x H) (IFS-402GSM) 106 x 72 x152 mm (D x W x H) (IFS-803GSM, IFS-1604GSM)
Weight	0.715kg (IFS-402GSM), 0.79kg (IFS-803GSM)
	0.82kg (IFS-1604GSM)
Installation	DIN Rail mounting or wall mounting
Mounting
MTBF	321,556hrs (IFS-402GSM) 409,312hrs (IFS-803GSM)
	145,967hrs (IFS-1604GSM)
	(MIL-HDBK-217)
Warranty	5 years
Certification
EMC	CE
EMI	FCC Part 15 Subpart B Class A,CE EN55022 Class A
(Electromagnetic
Interference)
Railway Traffic	EN50121-4
Traffic control	NEMA TS2 (IFS-402GSM, IFS-803GSM)
Immunity for Heavy Industrial Environment	EN61000-6-2
Emission for Heavy Industrial Environment	EN61000-6-4
EMS (Electromagnetic Susceptibility) Protection Level	EN61000-4-2 (ESD) Level 3, Criteria B
EN61000-4-3 (RS) Level 3, Criteria A
EN61000-4-4 (Burst) Level 3, Criteria A
EN61000-4-5 (Surge) Level 3, Criteria B
EN61000-4-6 (CS) Level 3, Criteria A
EN61000-4-8 (PFMF, Magnetic Field) Field Strength: 300A/m, Criteria A
Safety	UL60950-1
Shock	IEC 60068-2-27
Freefall	IEC 60068-2-32
Vibration	IEC 60068-2-6
Topology
VLAN	IEEE 802.1q VLAN,up to 4094 802.1Q VLAN VID
IEEE 802.1q VLAN,up to 4094 Groups
IEEE 802.1ad Q-in-Q
MAC-based VLAN,up to 256 entries
IP Subnet-based VLAN, up to 128 entries
Protocol-based VLAN(Ethernt, SNAP, LLC), up to 128 entries
VLAN Translation, up to 256 entries
GVRP (GARP VLAN Registration Protocal)
MVR ( Multicast VLAN Registration)
Link Aggregation (Port Trunk)	Static (Hash with SA, DA, IP, TCP/UDP port), up to 5 trunk group
Dynamic (IEEE 802.3ad LACP), up to 5 trunk group
Spanning Tree	IEEE802.1d STP
IEEE802.1w RSTP
IEEE802.1s MSTP
Multiple μ-Ring	up to 5 instances that each supports μ-Ring, u-Chain or Sub-Ring type for flexible uses, and maximum up to 5 Rings.
	(See figure 5, 6, 7)
	Recovery time
	The maximum number of devices allowed in a Ring supported ring is 250.
Loop Protection	Present
ITU-T G.8032 / Y.1344 ERPS (Ethernet Ring Protection)	Recovery time
Single Ring, Sub-Ring, Multiple ring topology network
QoS Features
Class of Service	IEEE802.1p 8 active priorities queues for per port
Traffic Classification QoS	IEEE802.1p based CoS
IP Precedence based CoS
IP DSCP based CoS
QCL(QoS Control List): Frame Type, Source/ Destination MAC, VLAN ID, PCP, DEI
QCE(QoS Control Entry): Protocol, Source IP, IP Fragment, DSCP, TCP/UDP port number
Bandwidth Control for Ingress	Rate in steps :1 kbps / Mbps / fps / kfps
Range : 100 kbps to 1Gbps / 1fps to 3300kfps
Rate Unit : bit or frame
Bandwidth Control for Egress	Rate in steps : 1 kbps / Mbps
Range : 100 kbps to 1Gbps
Rate Unit : bit
Per queue / Per port shaper
DiffServ (RF 2474) Remarking
Storm Control	for Unicast, Broadcast, Multicast
IP Multicasting Features
IGMP / MLD Snooping	IGMP Snooping v1, v2, v3 / MLD Snooping v1, v2
Port Filtering Profile
Throttling, Fast Leave
Maximum Multicast Group : up to 1022 entries
Query / Static Router Port
Security Features
IEEE 802.1X	Port-Based
MAC-Based
ACL	Number of rules : up to 256 entries
for L2 / L3 / L4
RADIUS authentication & accounting
TACACS+ authentication & accounting, TACACS+ 3.0
HTTPS, HTTP
SSL / SSH v2
User Name Password Authentication	Local Authentication
Remote Authentication (via RADIUS / TACACS+)
Management Interface Access Filtering	Web, Telnet / SSH , CLI RS-232 console
Management Features
CLI Cisco® like CLI
Web Based Management
Telnet	Server
SNMP	V1, V2c, V3
SW & Configuration Upgrade	TFTP, HTTP
Redundant firmware in case of upgrade failure
RMON	RMON I (1, 2, 3, 9 group), RMON II
MIB	RFC1213 MIB II, Private MIB
UPnP
DHCP	Server, Client, Relay, Snooping
Snooping option 82
Relay option 82
IP Source Guard
Port Mirroring
Event Syslog	Syslog server (RFC3164) (Support 1 server )
Warning Message	System syslog, e-mail, alarm relay
DNS	Client, Proxy
IEEE1588 PTP V2	Support 5 operating mode in each port :
	Ordinary-Boundary, Peer to Peer Transparent Clock,
	End to End Transparent Clock, Master, Slave
NTP
LLDP (IEEE 802.1ab)	Link Layer Discovery Protocol
LLDP-MED
IPv6 Features
IPv6 Management	Telnet Server/ICMP v6
SNMP over IPv6
HTTP over IPv6
SSH over IPv6
IPv6 Telnet Support
IPv6 NTP Support
IPv6 TFTP Support
IPv6 QoS
IPv6 ACL	Number of rules: up to 256 entries
L2 / L3 / L4