Supports Auto-negotiation and 10/100Mbps half / full duplex and 1000Mbps full duplex mode
High performance Store and Forward architecture, runt/CRC filtering eliminates erroneous packets to optimize
the network bandwidth
Prevents packet loss with back pressure (Half-Duplex) and IEEE 802.3x PAUSE frame flow control
(Full-Duplex)
9K Jumbo Frame Size support
Backplane (Switching Fabric): 12Gbps
Integrated address look-up engine, support 1K absolute MAC addresses
Automatic address learning and address aging
CSMA/CD Protocol
Industrial Case / Installation
Slim IP30 metal case / protection
DIN Rail and Wall Mount Design
Redundant Power Design
- 12 to 48V DC, redundant power with polarity reverse protect function
- AC 24V power adapter acceptable
Supports EFT protection for 6000 VDC for power line
Supports 6000 VDC Ethernet ESD protection
-40 to 75 degrees C operating temperature
Fiber Port Redundancy
Link status auto-detect and redundant on Dual ports with the same connector type
Only when Primary-Port is active, the Backup-Port is blocked.
When Primary-Port link fails, the traffic will swap to Backup-Port automatically.
Once the Primary-Port status is back to link up, the traffic swaps from Backup-Port to Primary-Port.
1.4 Product Specifications
Model MC350-4T-2S
Hardware Specification
10/100/1000Base-T Ports
SFP Interfaces
Dimensions (W x D x H)
Weight
Power Requirements
Power Consumption /
Dissipation
Installation
Switch Specification
Switch Processing Scheme
MAC Address Table
Flow Control
4
2 1000Base-SX/LX/BX SFP interfaces (Port-5 and Port-6)
Compatible with 100Base-FX SFP
135 x 87 x 32mm
503g
DC 12~48V, Redundant power with polarity reverses protection
function. AC 24V Power Adapter
7.2 watts/24BTU
DIN Rail Kit and Wall Mount Ear
Store-and-Forward
1K entries
Back pressure for half duplex
IEEE 802.3x Pause Frame for full duplex
Switch Fabric
Throughput (packet per second)
Maximum Transmission Unit
12Gbps
8.9Mpps
9216bytes
10/100/1000Base-T:
Cat. 3, 4, 5, 5e, 6 UTP cable (100meters, max.)
EIA/TIA-568 100-ohm STP (100meters, max.)
1000Base-SX :
50/125μm or 62.5/125μm multi-mode fiber optic cable, up to
550m (vary on SFP module)
Network Cables
Standards Conformance
Standards Compliance
Regulation Compliance
1000Base-LX :
9/125μm single-mode fiber optic cable, up to
10/20/30/40/50/70/120 kilometers (vary on SFP module)
100Base-FX :
50/125μm or 62.5/125μm multi-mode fiber optic cable, up to
2
kilometers (vary on SFP module)
9/125μm single-mode fiber optic cable, up to 20/40/60
kilometers (vary on SFP module)
IEEE 802.3 Ethernet
IEEE 802.3u Fast Ethernet
IEEE 802.3ab Gigabit Ethernet
IEEE 802.3z Gigabit Ethernet
IEEE 802.3x Full-Duplex Flow Control
FCC Part 15 Class A, CE
IEC60068-2-32(Free fall)
Stability Testing
Environment
Temperature
Humidity
IEC60068-2-27(Shock)
IEC60068-2-6(Vibration)
Operating: -40~75 degrees C
Storage: -40~75 degrees C
Operating: 5~95% (Non-condensing)
Storage: 5~95% (Non-condensing)
7
1.5 Physical Dimensions
MCR350-4T-2S Industrial Gigabit Ethernet Switch dimensions (W x D x H): 135 x 87 x 32mm
8
2. INSTALLATION
This section describes the functionalities of the Industrial Gigabit Ethernet Switch’s components and guides how to install it
on the desktop. Basic knowledge of networking is assumed. Please read this chapter completely before continuing.
2.1 Product Description
Flexibility and Network Distance Extension Solution
The MC350-4T-2S Industrial Gigabit Ethernet Switch is equipped with four 10/100/1000Base-T auto-negotiation ports and
two 100/1000X SFP slots. The two SFP slots are compatible with 1000Base-SX / LX or 100Base-FX through SFP (Small
Form Factor Pluggable) fiber-optic transceiver; the two SFP slots allow changing the operation speed mode with its built-in
DIP switch. The fiber optical uplink capability guarantees the throughput to all nodes hooked into the network and the
Gigabit Ethernet distance can be extended from 550 meters (Multi-Mode fiber cable) up to 10/20/50/70 kilometers
(Single-Mode fiber
20/40/60 kilometers (Single-Mode fiber cable). They are well suited for applications within the factory data centers and
distributions.
Via the built-in DIP switch, the MC350-4T-2S can be configured as 6-Port Ethernet switch or 4+2 fiber redundant mode.
With the 6-Port switch mode, the MC350-4T-2S can operate in Store-and-Forward mechanism with high performance; on
the other hand, when in the 4+2 fiber redundant mode, it provides rapid fiber redundancy of link for highly critical Ethernet
applications. The redundant mode also supports auto-recovering function. If the destination port of a packet is link down, it
will forward the packet to the other port of the backup pair.
cable). The Fast Ethernet distance can also be extended from 2km (Multi-Mode fiber cable) up to
Environmentally Hardened Design
With IP30 metal industrial case protection, the MC350-4T-2S provides a high level of immunity against electromagnetic
interference and heavy electrical surges which are usually found on plant floors or in curb side traffic control cabinets. It
also possesses an integrated power supply source with wide range of voltages (12 to 48V DC or 24V AC) for worldwide
high availability applications requiring dual or backup power inputs. Being able to operate under the temperature range
from -40 to 75 degree C, the MC350-4T-2S can be placed in almost any difficult environment. The compact, IP-30
standard metal case of MC350-4T-2S allows either DIN rail or wall mounting for efficient use of cabinet space.
Robust Gigabit Switch Performance
The MC350-4T-2S has 1K MAC Address table and offers wire-speed packets transfer performance without risk of packet
loss, the high data throughput of the device makes it ideal for most Gigabit environments. With a 12Gbps internal
switching fabric and featuring auto negotiation support in each Gigabit port, the MC350-4T-2S Industrial Gigabit Ethernet
Switch can handle large amounts of data in a secure topology linking to a backbone or high capacity servers.
The flow control function enables the MC350-4T-2S to provide fast and reliable data transfer. All of the RJ-45 copper
interfaces in the MC350-4T-2S support 10/100/1000Mbps Auto-Negotiation for optimal speed detection through RJ-45
Category 6, 5 or 5e cables. The standard Auto-MDI/MDI-X support can detect the type of connection to any Ethernet
device without requiring special straight or crossover cables.
9
2.1.1 Switch Front Panel
Figure 2-1 shows a front panel of Industrial Gigabit Ethernet Switch.
Figure 2-1: MC350-4T-2S Front Panel
2.1.2 LED Indicators
System
LED Color Function
P1 Green Lit: indicate power 1 has power.
P2
FAULT
Green
Green
Lit: indicate power 2 has power.
Lit: indicate either power 1 or power 2 has no power.
Per 10/100/1000T Ports
LED Color Function
100
LNK/ACT
1000
LNK/ACT
Orange
Green Lit: indicate the link through that port is successfully established at 1000Mbps or
Lit: indicate the link through that port is successfully established at 100Mbps or
10Mbps.
Blink: indicate that the Switch is actively sending or receiving data over that port.
Off: indicate the link through that port is successfully established at 1000Mbps.
10Mbps.
Blink:
indicate that the Switch is actively sending or receiving data over that port.
Off:
indicate the link through that port is successfully established at 100Mbps.
Per 100 / 1000X SFP Slots
LED Color Function
LNK/ACT Green Lit: indicate the link through that port is successfully established at 100Mbps or
1000Mbps.
Blink: indicate that the Switch is actively sending or receiving data over that port
or the port operate.
11
2.1.3 Switch Upper Panel
The upper panel of the Industrial Gigabit Ethernet Switch consists of one terminal block connector within two DC power
inputs, and also provides 3 DIP Switches for 100/1000X fiber support on two SFP slots and fiber redundant function. Figure
2-2 shows the upper panel of the Industrial Gigabit Ethernet Switch.
The fiber redundancy function explains in chapter 2.1.7 Redundancy Overview.
Fiber Mode (DIP 3) Fiber Redundant Switch
12
2.1.4 Wiring the Power Inputs
The 6-contact terminal block connector on the top panel of Industrial Gigabit Ethernet Switch is used for two DC redundant
power inputs. Please follow the steps below to insert the power wire.
1. Insert positive / negative DC power wires into the contacts 1 and 2 for POWER 1, or 5 and 6 for POWER 2.
V1- V1 + V2 - V2 +
2. Tighten the wire-clamp screws for preventing the wires from loosening.
1 2 3 4 5 6
Power 1 Fault Power 2
- + - +
The wire gauge for the terminal block should be in the range between 12 and 24 AWG.
13
2.1.5 Wiring the Fault Alarm Contact
The fault alarm contacts are in the middle of the terminal block connector as the picture shows below. Inserting the wires,
the Industrial Gigabit Ethernet Switch will detect the fault status of the power failure and then forms an open circuit. The
following illustration shows an application example for wiring the fault alarm contacts.
1 2 3 4 5 6
Insert the wires into the fault alarm contacts
The wire gauge for the terminal block should be in the range between 12 and 24 AWG.
14
2.1.6 Cabling
10/100/1000Base-T and 100Base-FX / 1000Base-SX/LX
All 10/100/1000Base-T ports come with Auto-Negotiation capability. They automatically support 1000Base-T,
100Base-TX and 10Base-T networks. Users only need to plug a working network device into one of the
10/100/1000Base-T ports, and then turn on the
10Mbps, 20Mbps, 100Mbps or 200Mbps and 1000Mbps or 2000Mbps after the negotiation with the connected device.
The
Industrial Gigabit Ethernet Switch has two SFP interfaces that support 100/1000 dual speed mode (Optional
Industrial Gigabit Ethernet Switch. The port will automatically runs in
Cabling
Each 10/100/1000Base-T port uses RJ-45 sockets -- similar to phone jacks -- for connection of unshielded twisted-pair
cable (UTP). The IEEE 802.3 / 802.3u / 802.3ab Fast / Gigabit Ethernet standard requires Category 5 UTP for 100Mbps
100Base-TX. 10Base-T networks can use Cat.3, 4, 5 or 1000Base-T uses 5/5e/6 UTP (see table below). Maximum
distance is 100 meters (328 feet). The 100Base-FX / 1000Base-SX/LX SFP slot is used as LC connector with optional
SFP module. Please see table below and know more about the cable’s specifications.
Any Ethernet devices like hubs/PCs can be connected to the Industrial Gigabit Ethernet Switch by using straight-through
wires. The four10/100/1000Mbps ports are auto-MDI/MDI-X and can be used on straight-through or crossover cable.
2.1.6.1 Installing the SFP Transceiver
The sections describe how to insert an SFP transceiver into an SFP slot.
The SFP transceivers are hot-pluggable and hot-swappable. You can plug in and out the transceiver to/from any SFP port
without having to power down the Industrial Gigabit Ethernet Switch as Figure 2-3 shows
Figure 2-3: Plug-in the SFP Transceiver
Approved IFS SFP Transceivers
IFS Industrial Gigabit Ethernet Switch supports 100/1000 dual mode with both Single mode and Multi-mode SFP
transceivers. The following list of approved IFS SFP transceivers is correct at the time of publication:
Gigabit SFP TRANSCEIVERS Modules
UTC Model SFP Description
S30-1SLC/A-10 SFP, LC Connector, Single Mode, Gigabit, 1 fiber, 1310nm/1550nm, 10km , A End
S30-1SLC/A-20 SFP, LC Connector, Single Mode, Gigabit, 1 fiber, 1310nm/1550nm, 20km, A End
S30-1SLC/A-60 SFP, LC Connector, Single Mode, Gigabit, 1 fiber, 1310nm/1550nm, 60km, A End
S30-1SLC/B-10 SFP, LC Connector, Single Mode, Gigabit, 1 fiber, 1550nm/1310nm, 10km , B End
S30-1SLC/B-20 SFP, LC Connector, Single Mode, Gigabit, 1 fiber, 1550nm/1310nm, 20km, B End
S30-1SLC/B-60 SFP, LC Connector, Single Mode, Gigabit, 1 fiber, 1550nm/1310nm, 60km, B End
S30-2MLC SFP, LC Connector, Multi Mode, Gigabit, 2 fiber,850nm/850nm, 550m
S30-2MLC-2 SFP, LC Connector, Multi Mode, Gigabit, 2 fiber,1310nm/1310nm, 2km
S30-2SLC-10 SFP, LC Connector, Single Mode, Gigabit, 2 fiber,1310nm/1310nm, 10km
S30-2SLC-30 SFP, LC Connector, Single Mode, Gigabit, 2 fiber,1310nm/1310nm, 30km
S30-2SLC-70 SFP, LC Connector, Single Mode, Gigabit, 2 fiber,1550nm/1550nm, 70km
SFP, LC Connector, Single Mode, Gigabit, 2 fiber,1310nm/1310nm, 30km, Hardened
S35-2SLC-30
-40~75°C
SFP, LC Connector, Single Mode, Gigabit, 2 fiber,1550nm/1550nm, 70km, Hardened
S35-2SLC-70
-40~75°C
SFP, LC Connector, Single Mode, 10/100 Fast Ethernet, 1 fiber, 1310nm/1550nm, 20km
S20-1SLC/A-20
, A End
SFP, LC Connector, Single Mode, 10/100 Fast Ethernet, 1 fiber, 1310nm/1550nm, 20km
S20-1SLC/B-20
, B End
S20-2MLC-2 SFP, LC Connector, Multi Mode, 10/100 Fast Ethernet, 2 fiber,1310nm/1310nm, 2km
S20-2SLC-20 SFP, LC Connector, Single Mode, 10/100 Fast Ethernet, 2 fiber,1310nm/1310nm, 20km
SFP, LC Connector, Multi Mode, 10/100 Fast Ethernet, 2 fiber,1310nm/1310nm, 2km,
S25-2MLC-2
Hardened -40~75°C
SFP, LC Connector, Single Mode, 10/100 Fast Ethernet, 2 fiber,1310nm/1310nm, 20km,
S25-2SLC-20
Hardened -40~75°C
It is recommended to use IFS SFPs on the Industrial Gigabit Ethernet Switch. If you insert an SFP
transceiver that is not supported, the Industrial Gigabit Ethernet Switch will not recognize it.
17
1000Base-SX/LX:
Before connecting the other switches, workstation or Media Converter, please do the following:
1. Set the DIP Switch of SFP Port 1 or Port 2 to the “OFF” position with fiber speed 1000Base-X.
Port 5 (DIP 1) 100FX
Port 6 (DIP 2) 100FX
ON
OFF
1000X
1000X
2. Make sure both sides of the S30/SXX SFP transceiver are with the same media type, for example: 1000Base-SX to
1000Base-SX, 1000Base-LX to 1000Base-LX.
3. Check whether the fiber-optic cable type matches with the SFP transceiver model.
¾ To connect to 1000Base-SX SFP transceiver, use the Multi-mode fiber cable, with one side being the male
duplex LC connector type.
¾ To connect to 1000Base-LX SFP transceiver, use the Single-mode fiber cable, with one side being the male
duplex LC connector type.
Connecting the fiber cable
1. Attach the duplex LC connector on the network cable into the SFP transceiver.
2. Connect the other end of the cable to a device – switches with SFP installed, fiber NIC on a workstation or a Media
Converter.
3. Check the LNK/ACT LED of the SFP slot on the front of the Industrial Gigabit Ethernet Switch. Make sure that the
SFP transceiver is operating correctly.
100Base-FX:
Before connecting the other switches, workstation or Media Converter, please do the following:
1. Set the DIP Switch of SFP Port 1 or Port 2 to the “ON” position with fiber speed “100FX”.
Port 5 (DIP 1)
Port 6 (DIP 2)
ON
100FX
100FX
OFF
1000X
1000X
2. Make sure both sides of the SFP transceiver are with the same media type or WDM pair, for example, 100Base-FX
to 100Base-FX, 100Base-BX20-U to 100Base-BX20-D.
3. Check whether the fiber-optic cable type matches with the SFP transceiver model.
¾ To connect to S35/S25 SFP transceiver, use the multi-mode fiber cable, with one side being the male duplex
LC connector type.
¾ To connect to S35/S25 SFP transceiver, use the single-mode fiber cable, with one side being the male duplex
LC connector type.
Connect the fiber cable
1. Insert the duplex LC connector on the network cable into the SFP transceiver.
2. Connect the other end of the cable to a device, switches with SFP installed, to fiber NIC on a workstation or a Media
Converter.
3. Check the LNK/ACT LED of the SFP slot of the switch / converter. Make sure that the SFP transceiver is operating
correctly.
2.1.6.2 Remove the Transceiver Module
1. Make sure there is no network activity by consulting or checking with the network administrator. Or through the
management interface of the switch/converter (if available) to disable the port in advance.
2. Remove the Fiber Optic Cable gently.
3. Turn the lever of the S30/SXX module to a horizontal position.
4. Pull out the module gently through the lever.
Figure 2-4: Pull Out from the Transceiver
Never pull out the module without pulling the lever or the push bolts on the module. Directly
pulling out the module with violence could damage the module and the SFP module slot of
the Industrial Gigabit Ethernet Switch.
19
2.1.7 Redundancy Overview
The Industrial Gigabit Ethernet Switch provides rapid fiber redundancy of link for highly critical Ethernet applications. The
redundant-mode supports auto-recover function. If the destination port of a packet is link down, it forwards the packet to
the other port of the backup pair. The following figure shows the redundant function.
Figure 2-5: Redundancy Behavior Topology
y Link status auto detect and redundant on Dual ports with same connector type.
y Only when Primary-Port is active, the Backup-Port is blocked.
y When Primary-Port link failure occurs, the traffic will swap to Backup-Port automatically.
y Once the Primary-Port status is back to link up, the traffic will swap from Backup-Port to Primary-Port.
2.2 Mounting Installation
This section describes how to install the Industrial Gigabit Ethernet Switch and make connections to it. Please read the
following topics and perform the procedures in the order being presented.
In the installation steps below, this Manual uses MC350-4T-1S (IFS 8 Port Industrial Gigabit
Switch) as the example. However, the steps for IFS Industrial Switch & Industrial Media
Converter are similar.
2.2.1 Install DIN-Rail Mounting
The DIN-Rail is screwed on the Industrial Gigabit Ethernet Switch when out of factory. When replacing the wall mount
application with DIN-Rail application on Industrial Gigabit Ethernet Switch is needed, please refer to the following figures to
screw the DIN-Rail on the Industrial Gigabit Ethernet Switch. To hang the Industrial Gigabit Ethernet Switch, follow the
following steps:
Step 1: Screw the DIN-Rail on the Industrial Gigabit Ethernet Switch.
Step 2: Lightly insert the DIN-Rail into the track.
Step 3: Make sure the DIN-Rail is tightly secured on the track.
Step 4: Please refer to the following procedures to remove the Industrial Gigabit Ethernet Switch from the track.
Step 5: Lightly pull out the bottom of the DIN-Rail from the track to remove.
22
2.2.2 Wall Mount Plate Mounting
To install the Industrial Gigabit Ethernet Switch on the wall, please follow the instructions described below.
Step 1: Remove the DIN-Rail from the Industrial Gigabit Ethernet Switch; loose the screws to remove the
DIN-Rail.
Step 2: Place the wall mount plate on the rear panel of the Industrial Gigabit Ethernet Switch.
Step 3: Use the screws to screw the wall mount plate on the Industrial Gigabit Ethernet Switch.
Step 4: Use the hook holes at the corners of the wall mount plate to hang the Industrial Gigabit Ethernet Switch on the wall.
Step 5: To remove the wall mount plate, reverse steps above.
3. Applications
In this paragraph, we will describe how to install the Industrial Gigabit Ethernet Switch.
Public Construction
24
Harsh Climate
25
Installation Steps
Step
1: Unpack the Industrial Gigabit Ethernet Switch.
Step 2: Check whether the DIN-Rail is screwed on the Industrial Gigabit Ethernet Switch. (Please refer to DIN-Rail
Mounting section for DIN-Rail installation if the DIN-Rail is not screwed on the Industrial switch). If you want to wall
mount the Industrial Gigabit Ethernet Switch, then please refer to the Wall Mount Plate Mounting section for wall
mount plate installation.
Step 3: To hang the Industrial Gigabit Ethernet Switch on the DIN-Rail track or wall, please refer to the Mounting
Installation section.
Step 4: Power on the Industrial Gigabit Ethernet Switch. (Please refer to the Wiring of the Power Inputs section for power
input) The power LED on the Industrial Gigabit Ethernet Switch will light up. Please refer to the LED Indicators
section for the functions of LED lights.
Step 5: Prepare the twisted-pair, straight through Category 5 cable for Ethernet connection.
Step 6: Insert one side of Category 5 cables into the Industrial Gigabit Ethernet Switch Ethernet port (RJ-45 port) while the
other side of category 5 cable to the network devices' Ethernet port (RJ-45 port), e.g. switch, PC or Server. The
UTP port (RJ-45) LED on the Industrial Gigabit Ethernet Switch will light up when the cable is connected with the
network device. Please refer to the LED Indicators section for the functions of LED lights.
Step 7: When all connections are all set and LED lights all show normally, the installation is complete.
Make sure the connected network devices support MDI/MDI-X. If it does not support,
then use the crossover category 5 Cable.
4. Switch Operation
4.1 Address Table
The Industrial Gigabit Ethernet Switch is implemented with an address table. This address table is composed of many
entries. Each entry is used to store the address information of some node in network, including MAC address, port no,
etc. This information comes from the learning process of Industrial Gigabit Ethernet Switch.
4.2 Learning
When one packet comes in from any port, the Industrial Gigabit Ethernet Switch will record the source address, port no,
and the other related information in the address table. This information will be used to decide either forwarding or filtering
for future packets.
4.3 Forwarding & Filtering
When one packet comes from some port of the Industrial Gigabit Ethernet Switch, it will also check the destination
address besides the source address learning. The Industrial Gigabit Ethernet Switch will look up the address table for the
destination address. If not found, this packet will be forwarded to all the other ports except the port which this packet
comes in. And these ports will transmit this packet to the network it connected. If found, and the destination address is
located at a different port from this packet that comes in, the Industrial Gigabit Ethernet Switch will forward this packet to
the port where this destination address is located according to the information from address table. But, if the destination
address is located at the same port with this packet, then this packet will be filtered; thereby increasing the network
throughput and availability.
4.4 Store-and-Forward
Store-and-Forward is one type of packet-forwarding techniques. A Store-and-Forward Industrial Gigabit Ethernet
Switch stores the incoming frame in an internal buffer and does the complete error checking before
transmission. Therefore, no error packets will occur. It is the best choice when a network needs efficiency and stability.
The Industrial Gigabit Ethernet Switch scans the destination address from the packet-header, searches the routing
table provided for the incoming port and forwards the packet, only if required. The fast forwarding makes the switch
attractive for connecting servers directly to the network, thereby increasing throughput and availability. However, the
switch is most commonly used for segment existing in hub, which nearly always improves overall performance. An
Ethernet Switching can be easily configured in any Ethernet network environment to significantly boost bandwidth
using conventional cabling and adapters.
Due to the learning function of the Industrial Gigabit Ethernet Switch, the source address and corresponding port
number of each incoming and outgoing packet is stored in a routing table. This information is subsequently used to
filter packets whose destination address is on the same segment as the source address. This confines network traffic
to its respective domain, reducing the overall load on the network.
27
The Industrial Gigabit Ethernet Switch performs "Store and Forward"; therefore, no error packets occur. More
reliably, it reduces the re-transmission rate. No packet loss will occur.
4.5 Auto-Negotiation
The STP ports on the Industrial Gigabit Ethernet Switch have a built-in “Auto-negotiation”. This technology
automatically sets the best possible bandwidth when a connection is established with another network device (usually
at Power On or Reset). This is done by detecting the modes and speeds at the second of both devices. Both 10Base-T
and 100Base-TX devices can be connected with the port in either Half- or Full-Duplex mode. 1000Base-T can be only
connected in Full-duplex mode.
28
5. Troubleshooting
This chapter contains information to help you solve issues. If the Industrial Gigabit Ethernet Switch is not functioning
properly, make sure the Industrial Gigabit Ethernet Switch was set up according to instructions in this manual.
The per port LED is not lit
Solution:
Check the cable connection of the Industrial Gigabit Ethernet Switch.
Performance is bad
Solution:
Check the speed duplex mode of the partner device. The Industrial Gigabit Ethernet Switch is run at Auto-negotiation
mode and if the partner is set to half duplex, then the performance will be poor.
Per port LED is lit, but the traffic is irregular
Solution:
Check that the attached device is not set to dedicate full duplex. Some devices use a physical or software switch to
change duplex modes. Auto-negotiation may not recognize this type of full-duplex setting.
Why the Industrial Gigabit Ethernet Switch doesn’t connect to the network
Solution:
Check per port LED on the Industrial Gigabit Ethernet Switch. Try another port on the Industrial Gigabit Ethernet
Switch. Make sure the cable is installed properly and the right type. Turn off the power. After a while, turn on the power
again.
Can I install S30-SX or other non- wide temperature SFP module into SFP slot of Industrial Gigabit
Ethernet Switch?
Solution:
Yes, you can. However, the S30-SX and the other non- wide temperature SFP module cannot operate under -40 to 75
Multi-mode 50/125μm or 62.5/125μm 100Base-FX
Single-mode 9/125μm
Single-mode 9/125μm
1000Base-SX
(850nm)
(1300nm)
Wiring Distances:
Standard Fiber Diameter (micron) Modal Bandwidth (MHz *
1000BaseSX
1000BaseLX
#Notice
MM 62.5
MM 62.5
SM 9 N/A 5000*
The Single-mode port (1000Base-LX port) of
kilometers and provides additional margin allowing for a 10/20/30/60/70 kilometer
Gigabit Ethernet link on single mode fiber.
Multi-mode 50/125μm or 62.5/125μm
Multi-mode 50/125μm or 62.5/125μm 1000Base-LX
Single-mode 9/125μm
km)
100
62.5
50
50
50
50
200
400
500
5
4
5
MC350-4T-2S complies with LX 5
Max. Distance (meters)
220
275
500
550
550
30
APPENDIX A: Networking Connection
A.1 Switch’s RJ-45 Pin Assignments
1000Mbps, 1000Base-T
Contact MDI MDI-X
1 BI_DA+ BI_DB+
2 BI_DA- BI_DB-
3 BI_DB+ BI_DA+
4 BI_DC+ BI_DD+
5 BI_DC- BI_DD-
6 BI_DB- BI_DA-
7 BI_DD+ BI_DC+
8 BI_DD- BI_DC-
10/100Mbps, 10/100Base-TX
RJ-45 Connector pin assignment
Contact
1 Tx + (transmit) Rx + (receive)
2 Tx - (transmit) Rx - (receive)
3 Rx + (receive) Tx + (transmit)
4, 5 Not used
6 Rx - (receive) Tx - (transmit)
7, 8 Not used
MDI
Media Dependent
Interface
MDI-X
Media Dependent
Interface -Cross
31
A.2 RJ-45 Cable Pin Assignments
The standard RJ-45 receptacle/connector
There are 8 wires on a standard UTP/STP cable and each wire is color-coded. The following shows the pin allocation and
color of straight cable and crossover cable connection:
Straight Cable SIDE 1 SIDE2
12345678
12345678
Crossover Cable SIDE 1 SIDE2
12345678
12345678
SIDE 1
SIDE 2
SIDE 1
SIDE 2
Figure A-1: Straight-Through and Crossover Cable
1 = White / Orange
2 = Orange
3 = White / Green
4 = Blue
5 = White / Blue
6 = Green
7 = White / Brown
8 = Brown
1 = White / Orange
2 = Orange
3 = White / Green
4 = Blue
5 = White / Blue
6 = Green
7 = White / Brown
8 = Brown
1 = White / Orange
2 = Orange
3 = White / Green
4 = Blue
5 = White / Blue
6 = Green
7 = White / Brown
8 = Brown
1 = White / Green
2 = Green
3 = White / Orange
4 = Blue
5 = White / Blue
6 = Orange
7 = White / Brown
8 = Brown
Please make sure your connected cables are with the same pin assignment and color as the above picture before
deploying the cables into your network.
32
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