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Operating Temperature (5 to 55°C)
Relative Humidity (0 to 95% RH, non-condensing)
IP protection (IP20)The LD-01 is a four-port line split modem allowing RS-232 systems to be connected in multidrop applications over long distances. The interface can be either standard RS-232 or W1, a balanced current loop allowing transmission distances up to 18 km (11.18 mi). In multidrop applications, the LD-01 acts as a repeater on the W1 interface.
DIP switches are used for configuration options which make the unit simple to install. The serial interface is connected through a standard 9 pol D-sub or terminal block with screw connectors.
The LD-01 is designed for use in heavy-duty industrial applications. The different power options, galvanic isolation, and transient protection guarantee communication in the worst environments. The LD-01 has been tested to meet many EMC, isolation, vibration, and shock standards, all to the highest levels suitable for heavy industrial environments.
The design of the line split modem makes the LD-01 suitable for a variety of applications with various speeds and data bit options. The V and Y mode emulate half or full duplex communication between master and slaves and a bypass board can be fitted to ensure networks can’t be broken by power failure at a single point.
You can also find the other types of modems in the Modems.
Experience the convenient way to
purchase the Westermo LD-01 DC Industrial Line Sharing Modem in the Middle East (UAE (Dubai), KSA (Al Khobar, Riyadh), and
Oman). Our sales experts will provide the most helpful information about the
price and sale conditions for a wonderful buying experience.
| 3g modem : Interface | |
| SIM card slot | No |
| Ethernet Ports | No |
| USB | No |
| Digital Input and Output | No |
| Serial port | Yes : 1 x RS-232 Serial port (up to 38.4 kbit/s, 9 pin D-sub female), 1x 10 mA tri-state balanced current loop (up to 38.4 kbit/s) |
| Alert Output | No |
| Band Options | - |
| Cellular Standards | - |
| Cellular Antenna Connectors | No |
| WLAN Standards | No |
| WLAN Antenna Connector | No |
| GPS Antenna Connector | No |
| 3g modem : Radio specifications | |
| Radio Connection type | - |
| Maximum data transfer speed of 2G | - |
| Maximum data transfer speed of 3G | - |
| Maximum data transfer speed of 4G | - |
| WiFi Radio Frequency | - |
| 3g modem : Software Specifications | |
| Routing Redundancy | - |
| VPN | - |
| Firewall | - |
| Time Management | - |
| Management | - |
| 3g modem : General | |
| LED Indicators | Channel 1: RD, TD; Channel 2-4: DCD |
| MTBF | - |
| Operating mode | Line Sharing Modem |
| 3g modem : Standards and protocols | |
| Protocols | - |
| 3g modem : Features and capabilities | |
| Send and receive SMS | No |
| 3g modem : Security | |
| Security and Encryption | No |
| Authentication | No |
| 3g modem : Power Requirements | |
| Power Connector | - |
| Power Consumption (Output Adapter) | Max 3W |
| Input Voltage | 12-36 VDC (Operating voltage) |
| POE Support | No |
| Input Current | 80 mA @ 24 VDC |
| Reverse Polarity Protection | No |
| 3g modem : Buttons | |
| Power button | No |
| Reset | No |
| 3g modem : Physical Characteristics | |
| Installation | DIN-rail mounting |
| Dimensions | 55 x 100 x 132 mm (2.16 x 3.93 x 5.19 in) |
| Housing | - |
| Weight | 0.3 kg |
| Operating Temperature | +5 to +50ºC (+41 to +122°F) |
| Storage Humidity | 5 to 95% RH, non-condensing |
| Storage Temperature | - |
| Type of Use | Industrial environment |
| Standards and Certifications | Ingress protection: IP20; EMC: SS-EN 50081-1/SS-EN 55022 (1992): Class B, SS-EN 50082-2/SS-EN 61000-4-2 (1995): 4 kV CD, 8 kV AD, SS-EN 50082-2/SS-EN 61000-4-4 (1995): 4 kV power, 2 kV signals, SS-EN 50082-2/SS-EN 50140 (1993): 10 V/m, SS-EN 50082-1/SS-IEC 801-3 (1984): 3 V/m; Safety: EN 60950 (1992) |
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