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What are the care recommendations for maintaining the full operation of the WESTERMO SDW-541-SM-LC15 and fulfilling warranty obligations?
Follow the care recommendations below to maintain full operation of the unit and to fulfil the warranty obligations:
- This unit must not be operating with removed covers or lids.
- Do not attempt to disassemble the unit. There are no user serviceable parts inside.
- Do not drop, knock or shake the unit, rough handling above the specification may cause damage to internal circuit boards.
- Do not use harsh chemicals, cleaning solvents or strong detergents to clean the unit.
- Do not paint the unit. Paint can clog the unit and prevent proper operation.
- Do not expose the unit to any kind of liquids (rain, beverages, etc). The unit is not waterproof. Keep the unit within the specified humidity levels.
- Do not use or store the unit in dusty, dirty areas, connectors as well as other mechanical part may be damaged.
If the unit is not working properly, contact the place of purchase, nearest Westermo distributor office or Westermo Tech support.
Fibre connectors are supplied with plugs to avoid contamination inside the optical port. As long as no optical fibre is mounted on the connector, e.g. for storage, service or transportation, should the plug be applied.
What are the considerations for handling fibre optics when using the WESTERMO SDW-541-SM-LC15?
Fibre optic equipment needs special treatment. It is very sensitive to dust and dirt. If the fibre will be disconnected from the modem the protective hood on the transmitter/receiver must be connected. The protective hood must be kept on during transportation. The fibre optic cable must also be handle the same way.
If this recommendation is not followed it can jeopardise the warranty.
How should optical connectors be cleaned for the WESTERMO SDW-541-SM-LC15?
In the event of contamination, the optical connectors should be cleaned by the use of forced nitrogen and some kind of cleaning stick.
Recommended cleaning fluids:
- Methyl-, ethyl-, isopropyl- or isobutyl-alcohol
- Hexane
- Naphtha
Is maintenance required for the WESTERMO SDW-541-SM-LC15?
No maintenance is required, as long as the unit is used as intended within the specified conditions.
What does the product disposal symbol mean for the WESTERMO SDW-541-SM-LC15?
This symbol means that the product shall not be treated as unsorted municipal waste when disposing of it. It needs to be handed over to an applicable collection point for recycling electrical and electronic equipment.
By ensuring this product is disposed of correctly, you will help to reduce hazardous substances and prevent potential negative consequences to both environment and human health, which could be caused by inappropriate disposal.
What are the isolation specifications between interfaces for the WESTERMO SDW-541-SM-LC15?
Isolation between interfaces:
| Power Interface to all other | 2.8 kV DC 2.0 kV RMS @ 50 Hz and 60 s duration |
| TX signal Interface to all other | 2.1 kV DC 1.5 kV RMS @ 50 Hz and 60 s duration |
| TX shield Interface to all other | 1.5 kV DC 1.0 kV RMS @ 50 Hz and 60 s duration |
What are the environmental conditions for the WESTERMO SDW-541-SM-LC15?
Environmental conditions:
| Temperature, operating | -25 to +65°C (SDW-541) |
| Temperature, storage and transportation | -25 to +70°C |
| Relative humidity, operating | 5 to 95% (non-condensing) |
| Relative humidity, storage and transportation | 5 to 95% (condensation allowed outside packaging) |
| Altitude, operating | 2000 m/70 kPa |
What are the mechanical specifications for the WESTERMO SDW-541-SM-LC15?
Mechanical specifications:
| Dimension (W x H x D) | 35 x 121 x 119 mm |
| Weight | 0.2 kg |
| Mounting | DIN-rail |
| Degree of protection | IP21 |
How is the WESTERMO SDW-541-SM-LC15 configured?
Configuration:
Auto configured (auto-negotiation) or manually setting of speed and duplex of individual TX port, by DIP-switches.
Port mirror function is possible to set with DIP-switch. With the port mirror function active the switch will copy all outgoing traffic to port 1. This can be used to monitor all traffic going out from the switch. Packets may be discarded if the total throughput exceeds the port speed of port 1.
What are the fibre optic power budget specifications for the WESTERMO SDW-541-SM-LC15?
Fibre optic power budget for Singlemode SM-LC15:
| Transmitted wavelength | 1310 nm |
| Min. output power, transmitter | -15 dBm |
| Max. output power, transmitter | -8 dBm |
| Input sensitivity, receiver | -34 dBm |
| Min. power budget | 19 dBm |
| Max. power budget | 26 dBm |
| Recommended fibre cable and core / cladding diameter | 9/125 10/125 |
What is the normal attenuation in connectors / splices for the WESTERMO SDW-541-SM-LC15?
Attenuation in connectors / splices:
| Type | Normal attenuation |
| Connector | 0.2 – 0.4 dBm |
| Fusion splice | 0.1 dBm |
| Mechanical splice | 0.2 dBm |
What are the rated voltage, operating voltage, and rated current specifications for the WESTERMO SDW-541-SM-LC15?
Power SDW-500 series specifications:
| Rated voltage | 12 – 48 VDC, polarity protected |
| Operating voltage | 9.6 – 57.6 VDC |
| Rated current | @12 VDC power input |
| SDW-541-SM-LC15 | 450 mA |
What are the rated frequency, connection, and connector size for the power interface of the WESTERMO SDW-541-SM-LC15?
Power SDW-500 series specifications:
| Rated frequency | DC |
| Connection | Detachable screw terminal |
| Connector size | 0.2 – 2.5 mm² (AWG 24-12) |
What are the electrical specifications, data rate, duplex, connection, circuit type, and transmission range for the Ethernet TX ports on the WESTERMO SDW-541-SM-LC15?
Ethernet TX specifications:
| Electrical specification | IEEE std 802.3. 2000 edition |
| Data rate | 10 Mbit/s or 100 Mbit/s, manual or auto |
| Duplex | Full or half, manual or auto |
| Connection | SC, ST or LC |
| Circuit type | Optical |
| Transmission range | 100 m |
What are the electrical specifications, data rate, duplex, connection, circuit type, and transmission range for the Ethernet FX ports on the WESTERMO SDW-541-SM-LC15?
Ethernet FX specifications:
| Electrical specification | IEEE std 802.3. 2000 edition |
| Data rate | 10 Mbit/s or 100 Mbit/s, manual or auto |
| Duplex | Full or half, manual or auto |
| Connection | SC, ST or LC |
| Circuit type | Optical |
| Transmission range | 100 m |
How is the power connected to the WESTERMO SDW-541-SM-LC15?
The SDW-500 series supports redundant power connection. The positive input are +VA and +VB, the negative input for both supplies are COM. The power is drawn from the input with the highest voltage.
3-pos screw terminal connections:
| 3-pos screw terminal | Description | Power |
|---|---|---|
| 1 | COM | 0 V |
| 2 | +VA | A: 9.6 – 57.6 VDC |
| 3 | +VB | B: 9.6 – 57.6 VDC |
What are the pin assignments for the Ethernet TX connection (RJ-45 connector) on the WESTERMO SDW-541-SM-LC15?
Ethernet TX connection (RJ-45 connector), automatic MDI/MDI-X crossover. CAT 5 cable is recommended. Unshielded (UTP) or shielded (STP) connector might be used.
| Contact | Signal Name | Direction | Description/Remark |
|---|---|---|---|
| 1 | TD+ | In/Out | Transmitted/Received data |
| 2 | TD- | In/Out | Transmitted/Received data |
| 3 | RD+ | In/Out | Transmitted/Received data |
| 4 | – | – | – |
| 5 | – | – | – |
| 6 | RD- | In/Out | Transmitted/Received data |
| 7 | – | – | – |
| 8 | – | – | – |
| Shield | – | – | HF-connected |
How should FX SC Single mode fibre be handled on the WESTERMO SDW-541-SM-LC15?
The WESTERMO SDW-541-SM-LC15 supports Ethernet FX connection with a 1300 nm singlemode fibre transceiver with SC-connector. The dust protection plug shall be mounted when no fibre is connected.
How should FX LC Single mode fibre be handled on the WESTERMO SDW-541-SM-LC15?
The WESTERMO SDW-541-SM-LC15 supports Ethernet FX connection with a 1300 nm singlemode fibre transceiver with LC-connector. The dust protection plug shall be mounted when no fibre is connected.
What are the indications for the LEDs on the WESTERMO SDW-541-SM-LC15?
At power on the PWR flashes during initialising. Indicators include Power (PWR), Link (LINK) of every port, and Speed (SPD) and duplex (DPX) of TX ports.
| LED | Status | Indication of |
|---|---|---|
| PWR | ON | Internal power, initialising OK |
| Slow flash | Initialisation progressing | |
| Fast flash | Initialisation error | |
| LINK | OFF | No Ethernet link |
| ON | Good Ethernet link | |
| Flash | Ethernet data is transmitted or received, traffic indication | |
| SPD (TX only) | OFF | 10 Mbit/s |
| ON | 100 Mbit/s | |
| DPX (TX only) | OFF | Half duplex |
| ON | Full duplex |
Where are the DIP switches located on the WESTERMO SDW-541-SM-LC15 and what are they used for?
DIP-switches are accessible under the lid on top of the unit. DIP-switches are used to configure the unit.
Note: When configuration via DIP-switches, the settings of DIP-switches configure the unit only after a reboot (power off/on).
What warnings should be observed before accessing the DIP switches on the WESTERMO SDW-541-SM-LC15?
Warning! Prevent damage to internal electronics from electrostatic discharges (ESD) by discharging your body to a grounding point (e.g. use of wrist strap), before the lid on top/front of the unit is removed.
Warning! Do not open connected equipment. Prevent access to hazardous voltages by disconnecting the unit from AC/DC mains supply and all other electrical connections.
What should be observed when configuring the DIP switches on the WESTERMO SDW-541-SM-LC15?
- Speed and duplex setting only valid when auto-negotiation is disabled.
- When monitoring selected all outgoing packets from the switch is also copied to the port 1.
- Speed and duplex switch settings are ignored for FX ports.
- If auto-negotiation and auto MDI/MDI-X disabled all TX ports support MDI-X configuration.
What are the DIP switch settings for Port 1 on the WESTERMO SDW-541-SM-LC15?
Port 1 settings (S1):
Auto-negotiation and auto MDI/MDI-X disabled:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
Auto-negotiation and auto MDI/MDI-X enabled:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
10 Mbit/s speed selected:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
100 Mbit/s speed selected:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
Half duplex selected:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
Full duplex selected:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
What are the DIP switch settings for Port 2 on the WESTERMO SDW-541-SM-LC15?
Port 2 settings (S1):
Auto-negotiation and auto MDI/MDI-X disabled:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
Auto-negotiation and auto MDI/MDI-X enabled:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
10 Mbit/s speed selected:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
100 Mbit/s speed selected:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
Half duplex selected:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
Full duplex selected:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
What are the DIP switch settings for Port 3 on the WESTERMO SDW-541-SM-LC15?
Port 3 settings (S1/S2):
Auto-negotiation and auto MDI/MDI-X disabled (S1):
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
Auto-negotiation and auto MDI/MDI-X enabled (S1):
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
10 Mbit/s speed selected (S1):
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
100 Mbit/s speed selected (S1):
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
Half duplex selected (S2):
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
Full duplex selected (S2):
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
What are the DIP switch settings for Port 4 on the WESTERMO SDW-541-SM-LC15?
Port 4 settings (S2): *Setting of port 4 is only possible when using SDW-541. These settings are ignored when using SDW-532.
Auto-negotiation and auto MDI/MDI-X disabled:
ON
◼◼◼◼◼
1 2 3 4 5
Auto-negotiation and auto MDI/MDI-X enabled:
ON
◼◼◼◼◼
1 2 3 4 5
10 Mbit/s speed selected:
ON
◼◼◼◼◼
1 2 3 4 5
100 Mbit/s speed selected:
ON
◼◼◼◼◼
1 2 3 4 5
Half duplex selected:
ON
◼◼◼◼◼
1 2 3 4 5
Full duplex selected:
ON
◼◼◼◼◼
1 2 3 4 5
What are the DIP switch settings for Port mirroring on the WESTERMO SDW-541-SM-LC15?
Port mirroring settings (S2):
No monitoring selected:
ON
◼◼◼◼◼
1 2 3 4 5
Monitoring selected:
ON
◼◼◼◼◼
1 2 3 4 5
What are the Factory settings for the DIP switches on the WESTERMO SDW-541-SM-LC15?
Factory settings (S1, S2):
S1:
ON
◼◼◼◼◼◼◼◼
1 2 3 4 5 6 7 8
S2:
ON
◼◼◼◼◼
1 2 3 4 5
How should the WESTERMO SDW-541-SM-LC15 be mounted?
This unit should be mounted on 35 mm DIN-rail which is horizontally mounted on a wall or cabinet backplate. This unit uses convection cooling. To avoid obstructing the airflow around the unit, use the following spacing rules. Recommended spacing 25 mm (1.0 inch) above/below and 10 mm (0.4 inches) left/right the unit.
Snap on mounting.
How should the WESTERMO SDW-541-SM-LC15 be removed?
Press down the black support at the back of the unit.
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