RuggedCom Switch RS940G User Guide

TM  
RuggedSwitch RS940G  
8-Port Managed Gigabit Ethernet Switch  
Features and Benefits  
Ethernet Ports  
.6 - 10/100/1000BaseTX Triple Speed Copper Ports Standard  
.Optional 2 additional 1000LX SFP Pluggable Gigabit Fiber  
.2 - 10/100/1000BaseTX copper ports  
.Long haul optics allow Gigabit distances up to 70km  
Cyber Security Features  
.Multi-level user passwords  
.SSH/SSL encryption  
.Enable/disable ports, MAC based port security  
.Port based network access control (802.1x)  
.VLAN (802.1q ) to segregate and secure network traffic  
.Radius centralized password management  
.SNMPv3 encrypted authentication and access security  
TM  
RuggedRated for Reliability in Harsh Environments  
TM  
.Immunity to EMI and heavy electrical surges  
eRSTP  
.
Meets IEEE 1613 (electric utility substations)  
Exceeds IEC 61850-3 (electric utility substations)  
Exceeds IEC 61800-3 (variable speed drive systems)  
Exceeds IEC 61000-6-2 (generic industrial)  
.
.
The RuggedSwitch™ RS940G is an industrially hardened,  
fully managed Ethernet switch providing six or eight ports of  
Gigabit Ethernet. Six 10/100/1000BaseTX triple speed copper  
ports are standard. An additional two gigabit fiber or copper  
ports can be added. The RS940G provides a cost effective  
way of connecting a cluster of field devices to a Gigabit  
Ethernet backbone.  
.
.
Exceeds NEMA TS-2 (traffic control equipment)  
.Hazardous Location Certification: Class 1 Division 2  
.-40 to +85°C operating temperature (no fans)  
.Conformal coated printed circuit boards (optional)  
TM  
Rugged Operating System (ROS ) Features  
.Simple plug and play operation - automatic learning,  
Designed to operate reliably in harsh industrial environments  
the RS940G provides a high level of immunity to  
negotiation, and crossover detection  
.RSTP (802.1w) and Enhanced Rapid Spanning  
Tree (eRSTP™) network fault recovery (<5ms)  
.Quality of Service (802.1p) for real-time traffic  
.VLAN (802.1q) with double tagging and GVRP support  
.Link aggregation (802.3ad)  
electromagnetic interference and heavy electrical surges  
typical of environments found in electric utility substations,  
process control or in curb side traffic control cabinets. An  
operating temperature range of -40°C to +85°C coupled with  
hazardous location certification, optional conformal coating  
and a galvanized steel enclosure allows the RS940G to be  
placed in almost any location.  
.IGMP Snooping for multicast filtering  
.Port Rate Limiting and Broadcast Storm Limiting  
.Port configuration, status, statistics, mirroring, security  
.Industrial automation features (eg. Modbus)  
TM  
The embedded Rugged Operating System (ROS ) provides  
advanced networking features such as Enhanced Rapid  
Management Tools  
.Web-based, Telnet, CLI management interfaces  
.SNMP v1/v2/v3  
.Remote Monitoring (RMON)  
.Rich set of diagnostics with logging and alarms  
TM  
Spanning Tree (eRSTP ), Port Rate Limiting and a full array  
of intelligent functionality for high network availability  
and manageability.  
The versatility and wide selection of fiber optics allows the  
RS940G to be used in a variety of applications. The RS940G  
provides two fiber optical Gigabit Ethernet ports for creating a  
fiber optical backbone with high noise immunity and long haul  
connectivity.  
Universal Power Supply Options  
.Fully integrated power supply  
.Universal high-voltage range: 88-300VDC or 85-264VAC  
.Dual low-voltage DC inputs: 24VDC (9-36VDC)  
or 48VDC (36-72VDC)  
The embedded Rugged Operating System (ROS™) provides  
advanced layer 2 and layer 3 networking functions, and  
advanced cyber security features. Coupled with the ruggedized  
hardware design, RS940G is ideal for creating mission-critical,  
real-time, control applications where high reliability and availability  
is of paramount importance.  
.Terminal blocks for reliable  
maintenance free connections  
.CSA/UL 60950 safety approved  
to +85°C  
ISROU9G0G0E1DC:2O0M00  
ISO 90011:20000  
CERTIFIED  
RuggedSwitchTM RS940G  
1
 
TM  
RuggedSwitch RS940G  
8-Port Managed Gigabit Ethernet Switch  
TM  
ROS Features  
Cyber Security  
A configurable "weighted fair queuing" algorithm  
controls how frames are emptied from the  
queues.  
Cyber security is an urgent issue in many industries where  
advanced automation and communications networks play  
a crucial role in mission critical applications and where high  
reliability is of paramount importance. Key ROS™ features that  
address security issues at the local area network level include:  
VLAN (IEEE 802.1q)  
Virtual local area networks (VLAN) allow the segregation  
of a physical network into separate logical networks with  
independent broadcast domains. A measure of security is  
provided since hosts can only access other hosts on the  
same VLAN and traffic storms are isolated. ROS™ supports  
802.1q tagged Ethernet frames and VLAN trunks. Port  
based classification allows legacy devices to be assigned  
to the correct VLAN. GVRP support is also provided to  
simplify the configuration of the switches on the VLAN.  
.Passwords - Multi-level user passwords secures switch  
against unauthorized configuration  
.SSH / SSL - Extends capability of password protection  
to add encryption of passwords and data as they cross  
the network  
.Enable / Disable Ports - Capability to disable ports so that  
traffic can not pass  
.802.1q VLAN - Provides the ability to logically segregate  
traffic between predefined ports on switches  
.MAC Based Port Security - The ability to secure ports on  
a switch so only specific Devices / MAC addresses can  
communicate via that port  
.802.1x Port Based Network Access Control - The ability  
to lock down ports on a switch so that only authorized  
clients can communicate via this port  
Link Aggregation (802.3ad)  
The link aggregation feature provides the ability to aggregate  
several Ethernet ports into one logical link (port trunk) with  
higher bandwidth. This provides an inexpensive way to set up  
a high speed backbone to improve network bandwidth. This  
feature is also known as "port trunking", "port bundling", "port  
teaming", and "ethernet trunk".  
.Radius - Provides centralized password management  
.SNMPv3 - encrypted authentication and access security  
IGMP Snooping  
ROS uses IGMP snooping (Internet Group Management  
Protocol v1&v2) to intelligently forward or filter multicast traffic  
streams (e.g. MPEG video) to or from hosts on the network.  
The ROS™ cyber security features are included to help  
address the various industry specific security standards such  
as NERC CIP, ISA S99, AGA 12, IEC 62443, ISO 17799:2005 This reduces the load on network trunks and prevents  
and PCSRF SPP-ICS.  
packets from being received on hosts that are not involved.  
ROS™ has a very powerful implementation of  
IGMP snooping that:  
Enhanced Rapid Spanning Tree Protocol (eRSTP™)  
RuggedCom eRSTP allows the creation of fault-tolerant ring  
and mesh Ethernet networks that incorporate redundant links  
that are 'pruned' to prevent loops. eRSTP yields worst-case  
.Can be enabled on a per VLAN basis.  
.Detects and filters all multicast streams regardless of  
whether subscribers exist.  
1
fault recovery of 5ms times the 'bridge diameter' and allows  
rings of up to 80 switches. For example, a ring of ten  
switches will have fault recovery times under 50ms. eRSTP  
implements both STP and RSTP to ensure interoperability  
with commercial switches unlike other proprietary 'ring'  
solutions.  
.Supports "router-less" operation by supporting an  
"active" mode.  
.Restores traffic streams immediately after an RSTP  
topology change.  
SNMP (Simple Network Management Protocol)  
SNMP provides a standardized method for network  
management stations the ability to interrogate devices from  
different vendors. SNMP versions supported by ROS™ are  
v1, v2c, and v3. SNMPv3 in particular provides security  
features (such as authentication, privacy, and access control)  
not present in earlier SNMP versions. ROS™ also supports  
numerous standard MIBs (Management Information Base)  
allowing for easy integration with any network management  
system (NMS).  
Quality of Service (IEEE 802.1p)  
Some networking applications such as real-time control  
or VoIP (voice over IP) require predictable arrival times for  
Ethernet frames. Switches can introduce latency in times  
of heavy network traffic due to the internal queues that buffer  
frames and then transmit on a first come first serve basis.  
ROS™ supports 'Class of Service' in accordance with IEEE  
802.1p that allows time critical traffic to jump ahead to the  
front of the queue thus minimizing latency and reducing jitter  
to allow such demanding applications to operate correctly.  
ROS™ allows priority classification by port, tags, MAC  
address, and IP type of service (TOS).  
1
eRSTP fault recovery times may be approximated as follows:  
For 100 Mbps, fault recovery performance is <5ms/hop  
For 1,000 Mbps, fault recovery performance is <5ms/hop + 20ms  
RuggedSwitchTM RS940G  
3
 
TM  
RuggedSwitch RS940G  
8-Port Managed Gigabit Ethernet Switch  
TM  
ROS Features  
SNMP (Simple Network Management Protocol) (cont’d)  
A feature of SNMP supported by ROS™ is the ability to  
generate "traps" upon system events. A NMS can record  
traps from multiple devices providing a powerful network  
Port Configuration and Status  
ROS™ allows individual ports to be 'hard' configured  
for speed, duplex, auto-negotiation, flow control and more.  
This allows proper connection with devices that do not  
negotiate or have unusual settings. Detailed status of ports  
with alarm and SNMP trap on link problems aid greatly in  
system troubleshooting.  
TM  
troubleshooting tool. RuggedVue is RuggedCom's NMS  
that provides graphical visualization of the network and is  
fully integrated with all RuggedCom products.  
SNTP (Simple Network Time Protocol)  
Port Statistics and RMON (Remote Monitoring)  
ROS™ provides continuously updating statistics per port  
that provide both ingress and egress packet and byte  
counters as well as detailed error figures. Also provided  
is full support for the RMON statistics, history, alarms, and  
event groups. RMON allows for very sophisticated data  
collection, analysis and detection of traffic patterns.  
SNTP automatically synchronizes the internal clock of all  
ROS™ devices on the network. This allows for correlation  
of time stamped events for troubleshooting.  
SCADA and Industrial Automation  
ROS™ contains features that optimize network performance  
and simplify switch management based on the unique  
requirements found in SCADA and industrial automation  
applications. Features such as Modbus TCP management for  
retrieval of switch data using the ubiquitous Modbus protocol  
and DHCP Option 82, a Rockwell Automation ODVA  
requirement for IP address assignment based on the location  
of the end device, provide capabilities not found in typical  
"commercial" or "office grade" Ethernet switches.  
Event Logging and Alarms  
ROS™ records all significant events to a non-volatile  
system log allowing forensic troubleshooting. Events  
include link failure and recovery, unauthorized access,  
broadcast storm detection, and self-test diagnostics  
among others. Alarms provide a snapshot of recent  
events that have yet to be acknowledged by the network  
administrator. An external hardware relay is de-energized  
during the presence of critical alarms allowing an  
external controller to react if desired.  
Port Based Network Access Control (802.1x)  
ROS™ supports the IEEE 802.1x standard that defines  
a mechanism for port-based network access control which  
provides a means of authenticating and authorizing  
devices attached to LAN ports.  
HTML Web Browser and Telnet User Interfaces  
ROS™ provides a simple, intuitive user interface for  
configuration and monitoring via a standard graphical  
web browser or via Telnet. All system parameters include  
detailed on-line help to make setup a breeze. ROS™ ,  
presents a common look and feel and standardized  
configuration process allowing easy migration to other  
RuggedCom managed products.  
Port Rate Limiting  
ROS™ supports configurable rate limiting per port to limit  
unicast and multicast traffic. This can be essential to  
managing precious network bandwidth for service providers.  
It also provides edge security for denial of service  
(DOS) attacks.  
Configuration via ASCII Text File  
Broadcast Storm Filtering  
All configuration parameters are stored in an ASCII  
formatted text file that can easily be transferred via TFTP  
or Xmodem. The configuration file can be saved for  
backup purposes and easily manipulated by a text editor.  
The same text file can be downloaded to the switch at  
a later date in order to re-configure or restore  
a previous configuration.  
Broadcast storms wreak havoc on a network and can cause  
attached devices to malfunction. This could be disastrous on  
a network with mission critical equipment. ROS™ limits this  
by filtering broadcast frames with a user-defined threshold.  
Loss of Link Management  
Some intelligent electronic devices (IEDs) have dual fiber  
optic ports with automatic failover to a backup port should the  
primary fail. ROS™ ensures this mechanism works reliably  
under all failure modes by appropriately disabling link signals  
when required. ROS™ also flushes learned MAC addresses  
to ensure the failover occurs quickly.  
Command Line Interface (CLI)  
A command line interface can be used in conjunction  
with remote shell to automate data retrieval, configuration  
updates, and firmware upgrades. A powerful SQL-like  
capability allows expert users the ability to selectively  
retrieve or manipulate any parameters the device  
has to offer.  
Port Mirroring  
ROS™ can be configured to duplicate all traffic on one port  
to a designated mirror port. When combined with a network  
analyzer, this can be a powerful troubleshooting tool.  
RuggedSwitchTM RS940G  
4
 
TM  
RuggedSwitch RS940G  
8-Port Managed Gigabit Ethernet Switch  
EMI and Environmental Type Tests  
IEC 61850-3 EMI TYPE TESTS  
TEST  
Description  
Test Levels  
Severity Levels  
Enclosure Contact  
Enclosure Air  
Enclosure ports  
+/- 8kV  
+/- 15kV  
20 V/m  
4
4
x
IEC 61000-4-2  
IEC 61000-4-3  
ESD  
Radiated RFI  
Signal ports  
+/- 4kV @ 2.5kHz  
+/- 4kV  
x
4
4
4
D.C. Power ports  
A.C. Power ports  
IEC 61000-4-4  
Burst (Fast Transient)  
+/- 4kV  
3
+/- 4kV  
Earth ground ports  
Signal ports  
D.C. Power ports  
A.C. Power ports  
+/- 4kV line-to-earth, +/- 2kV line-to-line  
+/- 2kV line-to-earth, +/- 1kV line-to-line  
+/- 4kV line-to-earth, +/- 2kV line-to-line  
4
3
4
IEC 61000-4-5  
IEC 61000-4-6  
Surge  
Signal ports  
10V  
10V  
10V  
3
3
3
D.C Power ports  
A.C. Power ports  
Induced (Conducted) RFI  
3
10V  
3
Earth ground ports  
Enclosure ports  
IEC 61000-4-8  
IEC 61000-4-29  
Magnetic Field  
40 A/m continuous, 1000 A/m for 1 s  
30% for 0.1s, 60% for 0.1s, 100% for 0.05s  
N/A  
N/A  
D.C. Power ports  
Voltage Dips & Interrupts  
30% for 1 period, 60% for 50 periods  
N/A  
N/A  
A.C. Power ports  
2
IEC 61000-4-11  
IEC 61000-4-12  
100% for 5 periods, 100% for 50 periods  
2.5kV common, 1kV diff. mode@1MHz  
2.5kV common, 1kV diff. mode@1MHz  
2.5kV common, 1kV diff. mode@1MHz  
30V Continuous, 300V for 1s  
30V Continuous, 300V for 1s  
10%  
2kVac (Fail-Safe Relay output)  
2kVac  
2kVac  
5kV (Fail-Safe Relay output)  
5kV  
5kV  
Signal ports  
D.C. Power ports  
A.C. Power ports  
Signal ports  
D.C. Power ports  
D.C. Power ports  
Signal ports  
D.C. Power ports  
A.C. Power ports  
Signal ports  
D.C. Power ports  
A.C. Power ports  
3
3
3
4
4
Damped Oscillatory  
IEC 61000-4-16  
IEC 61000-4-17  
Mains Frequency Voltage  
Ripple on D.C. Power Supply  
3
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
IEC 60255-5  
IEC 60255-5  
Dielectric Strength  
H.V. Impulse  
IEEE 1613 (C37.90.x) EMI IMMUNITY TYPE TESTS  
Test  
Description  
Test Levels  
Severity Levels  
Enclosure Contact  
Enclosure Air  
Enclosure ports  
Signal ports  
D.C. Power ports  
A.C. Power ports  
Earth ground ports3  
Signal ports  
D.C. Power ports  
A.C. Power ports  
Signal ports  
D.C. Power ports  
A.C. Power ports  
Signal ports  
D.C. Power ports  
A.C. Power ports  
+/- 8kV  
+/- 15kV  
35 V/m  
+/- 4kV @ 2.5kHz  
+/- 4kV  
+/- 4kV  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
IEEE C37.90.3  
IEEE C37.90.2  
ESD  
Radiated RFI  
IEEE C37.90.1  
IEEE C37.90.1  
Fast Transient  
Oscillatory  
+/- 4kV  
2.5kV common mode @1MHz  
2.5kV common, 1kV diff. mode@1MHz  
2.5kV common, 1kV diff. mode@1MHz  
5kV (Fail-Safe Relay output)  
5kV  
5kV  
2kVac  
2kVac  
2kVac  
IEEE C37.90  
IEEE C37.90  
H.V. Impulse  
Dielectric Strength  
Environmental Type Tests  
Description  
Test  
IEC 60068-2-1  
IEC 60068-2-2  
Test Levels  
-40°C, 16 Hours  
+85°C, 16 Hours  
Severity Levels  
Cold Temperature  
Dry Heat  
Test Ad  
Test Bd  
N/A  
N/A  
95% (non-condensing), 55°C , 6  
cycles  
IEC 60068-2-30  
Humidity (Damp Heat, Cyclic)  
Test Db  
N/A  
IEC 60255-21-1  
IEC 60255-21-2  
Vibration  
Shock  
Tests Fc  
Tests Ea  
2g @ (10 - 150) Hz  
30g @ 11mS  
Class 2  
Class 2  
Notes:  
1. Only applicable to functional earth connections separated from the safety earth connection.  
2. Class 2 refers to "Measuring relays and protection equipment for which a very high security margin is required or where the vibration levels are very high,  
( e.g. shipboard application and for severe transportation conditions")  
RuggedSwitchTM RS940G  
5
 
TM  
RuggedSwitch RS940G  
8-Port Managed Gigabit Ethernet Switch  
Technical Specifications  
EMI Immunity and Environmental Compliance  
.IEC 61000-6-2 Industrial (Generic)  
.IEC 61800-3 Industrial (Variable Speed Drive Systems)  
.IEC 61850-3 Electric Utility Substations  
.IEEE 1613 Electric Utility Substations  
.NEMA TS 2 Traffic Control Equipment (pending)  
Power Supply  
.Power Consumption: 18W Max  
.24VDC: 9-36 VDC, 0.4A  
.48VDC: 36-72 VDC, 0.2A  
.HI Voltage AC/DC: 88-300VDC or 85-264VAC  
Critical Alarm Relay  
.Form-C failsafe contact relay: 1A@30VDC  
IEEE Compliance  
.802.3-10BaseT  
.802.3u-100BaseTX, 100BaseFX  
.802.3x-Flow Control  
Physical  
.Height: 7.4"  
.802.3z-1000BaseLX  
.Width: 2.6"  
.Depth: 5.0"  
.Weight: 2.7lbs  
.Ingress Protection: IP40 (1mm objects)  
.Enclosure: 20 AWG galvanized steel enclosure  
.Mounting: DIN rail or panel mounted  
.802.3ab-1000BaseTX  
.802.3ad-Link Aggregation  
.802.1d-MAC Bridges  
.802.1d-Spanning Tree Protocol  
.802.1p-Class of Service  
.802.1q-VLAN Tagging  
.802.1w-Rapid Spanning Tree Protocol  
.802.1x-Port Based Network Access Control  
Switch Properties  
.Switching method: Store & Forward  
.Switching latency: 7 us  
.Switching bandwidth: 5.6Gbps  
.MAC addresses: 8192  
.MAC address table size: 32kbytes  
.Priority Queues: 4  
.Frame buffer memory: 2 Mbit  
.VLANs: 4094  
.IGMP multicast groups: 256  
.Port rate limiting: 128kbps, 256, 512, 4, 8Mbps  
.No head of line blocking  
IETF RFC Compliance  
.RFC768-UDP  
.RFC783-TFTP  
.RFC791-IP  
.RFC792-ICMP  
.RFC793-TCP  
.RFC826-ARP  
.RFC854-Telnet  
.RFC894-IP over Ethernet  
.RFC1112-IGMP v1  
.RFC1519-CIDR  
.RFC1541-DHCP (client)  
.RFC2030-SNTP  
.RFC2068-HTTP  
.RFC2236-IGMP v2  
.RFC2284-EAP  
.RFC2475-Differentiated Services  
.RFC2865-Radius  
.RFC3414-SNMPv3-VSM  
.RFC3415-SNMPv3-VACM  
Approvals  
.Hazardous Locations: Class 1, Division 2  
.ISO: Designed and manufactured using a ISO9001: 2000  
certified quality program  
.CE Marking  
.Emissions: FCC Part 15 (Class A),  
EN55022 (CISPR22 Class A)  
.Safety: cCSAus (Compliant with CSA C22.2 No. 60950, UL  
60950, EN60950)  
.Laser Eye Safety (FDA/CDRH): Complies with 21  
CFR Chapter1, Subchapter J.  
IETF SNMP MIBS  
.RFC1493-BRIDGE-MIB  
.RFC1907-SNMPv2-MIB  
.RFC2012-TCP-MIB  
Warranty  
.5 Years - Applicable to design and manufacturing  
related product defects.  
.RFC2013-UDP-MIB  
.RFC2578-SNMPv2-SMI  
.RFC2579-SNMPv2-TC  
.RFC2819-RMON-MIB  
Network Management  
.HTTP graphical web-based  
.SNMP v1, v2c, v3  
.Telnet, VT100  
.Command Line Interface (CLI)  
.RFC2863-IF-MIB  
.draft-ietf-bridge-rstpmib-03-BRIDGE-MIB  
.draft-ietf-bridge-bridgemib-smiv2-03-RSTP-MIB  
.IANAifType-MIB  
RuggedSwitchTM RS940G  
6
 
TM  
RuggedSwitch RS940G  
8-Port Managed Gigabit Ethernet Switch  
Fiber Specifications and Mechanical Drawing  
Fiber Optical Specifications  
Parameter  
Fiber Port Type  
Mode  
Multimode  
Singlemode  
Singlemode  
Singlemode  
Connector  
LC, LC-SFP  
SC, LC, LC-SFP  
SC, LC, LC-SFP  
LC-SFP  
Typical Dist.  
500m  
10km  
25km  
70km  
Optical Wavelength (nm)  
Cable SizeCore/Cladding (um)  
TX Power (Min/Max) (dBm)  
RX Sensitivity (dBm)  
RX Saturation (dBm)  
Typical Budget (dB)  
850  
1310  
1310  
1550  
50/125 or 62.5/125  
8/125 or 9/125  
8/125 or 9/125  
8/125 or 9/125  
-9.5/-4  
-20  
0
-9/-3  
-22  
-3  
-7 / 3  
-26  
-3  
0 / 5  
-23  
0
14  
17  
19  
25  
RuggedSwitchTM RS940G  
7
 
TM  
RuggedSwitch RS940G  
8-Port Managed Gigabit Ethernet Switch  
Order Codes  
RS940G -__ - __ - ______  
PS M P7P8  
Base unit includes 6 - 10/100/1000 BaseTX ports  
PS: Power Supply  
.24 = 24 VDC (9-36 VDC)  
.48 = 48 VDC (36-72 VDC)  
.HI = 88-300VDC or 85-264VAC  
M: Mounting Option  
.D = DIN Rail  
.P = Panel Mount  
.N = None  
P7P8: Transceiver Options:  
XXXX = None  
2TX = Dual 10/100/1000TX RJ45  
2SFP = Dual 1000X SFP (Mini-GBIC). Order SFP Optics Separately.  
2LCMM = Dual 1000SX Multimode LC 850nm 500m  
2LC10 = Dual 1000LX Singlemode LC 1310nm 10km  
2LC25 = Dual 1000LX Singlemode LC 1310nm 25km  
2SC10 = Dual 1000LX Singlemode SC 1310nm 10km  
2SC25 = Dual 1000LX Singlemode SC 1310nm 25km  
(1) (2)  
SFP (MINI-GBIC) Transceiver Options  
:
(1) (3)  
25-10-0111 = 1000SX SFP, Multimode, LC, 850nm, 500m  
(1)  
25-10-0100 = 1000LX SFP, Singlemode, LC, 1310nm, 10 km  
25-10-0101 = 1000LX SFP, Singlemode, LC, 1310nm, 25 km  
25-10-0109 = 1000LX SFP, Singlemode, LC, 1550nm, 70 km  
(1)  
(1) (3)  
NOTES  
1
2
3
Distance ratings are typical but will depend on type of cabling, number of connectors and splices.  
Should you not find an appropriate fiber optic option listed here, please consult RuggedCom for other options.  
These transceivers have an operating temperature range of -20 to +85°C. All other transceivers have an operating temperature range of -40° to +85°C.  
Options  
82-01-0002 - Conformal Coating  
RuggedCom Inc.  
30 Whitmore Road  
Woodbridge, Ontario, Canada L4L 7Z4  
Tel: (905) 856-5288 Fax: (905) 856-1995  
Toll Free: (888) 264-0006  
Technical Support Center: (866) 922-7975 or (954) 922-7975  
© 2007 RuggedCom Inc.  
RuggedSwitch is a trademark of RuggedCom Inc.  
Ethernet is a trademark of the Xerox Corporation.  
Patent Pending  
All specifications in this document are subject to change without notice.  
Rev 1-C  
For additional information on our products and  
RuggedSwitchTM RS940G  
8
 

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