Glossary

This chapter provides definitions for IOLAN terms.

BOOTP (BOOTstrap An Internet protocol that enables a diskless workstation to discover its own IP address, the IP

Protocol)address of a BOOTP server on the network, and a file to be loaded into memory to boot the machine. This enables the workstation to boot without requiring a hard or floppy disk drive.

Community (SNMP)

An SNMP community is the group that devices and management stations running SNMP belong

 

to. It helps define where information is sent.

DHCP (Dynamic Host

A TCP/IP protocol that provides static and dynamic address allocation and management.

Configuration

 

Protocol)

 

Direct Connection

Connections that bypass the IOLAN enabling the user to log straight into a specific host. A

 

direct connection is recommended where a user logging into the IOLAN is not required.

Ethernet

A high-speed (10Mbps,100Mbps) cable technology that connects devices to a LAN, using one

 

or more sets of communication protocols.

Local Authentication

Uses the user ID and password stored within the IOLAN User database.

Modem Initialization

A series of commands sent to the modem by a communications program at start up. These

String

commands tell a modem how to set itself up in order to communicate easily with another

 

modem.

MOTD

Message of the day. This is defined by a file whose contents display when users log into the

 

IOLAN.

Multicast

The broadcasting of messages to a specified group of workstations on a LAN, WAN, or internet.

NAK (Negative

A communication control character sent by the receiving destination indicating that the last

Acknowledgment)

message was not received correctly.

Reverse Connection

Connections that originate from a host that go directly to a serial device through the IOLAN.

Silent Connection

Silent connections are the same as direct connections except that they are permanently

 

established. The host login prompt is displayed on the screen. Logging out redisplays this

 

prompt. Silent connections, unlike direct connections, however, make permanent use of pseudo

 

tty resources and therefore consume host resources even when not in use.

SNMP (Simple

A protocol for managing network devices.

Network Management

 

Protocol)

 

Subnet/Prefix Bits

Identifies the devices IP address, which portion constitutes the network address and which

 

portion constitutes the host address.

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Perle Systems 5500208-43 manual Glossary
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5500208-43 specifications

Perle Systems 5500208-43 is a highly advanced device in the realm of serial device connectivity and management. Designed to facilitate seamless communication between legacy serial devices and modern network infrastructure, this device serves as a reliable solution for numerous industrial and commercial applications.

One of the main features of the Perle 5500208-43 is its ability to connect up to 16 serial devices simultaneously over a single Ethernet connection. This multi-port capability is made possible through its robust architecture, allowing businesses to expand their network without the hassle of complex cabling. The device is equipped with 16 RS-232 serial ports, ensuring compatibility with a wide range of devices including printers, sensors, and legacy machines.

In terms of technologies, the 5500208-43 utilizes Perle’s advanced IOLAN technology which offers a host of features designed for efficiency and reliability. This technology not only ensures high-speed data transmission but also enables users to easily manage and configure the device through a user-friendly web interface. Furthermore, the device's support for various protocols, including TCP/IP, UDP, and SNMP, provides significant flexibility, allowing integration into existing IT infrastructures with ease.

Another notable characteristic of the Perle 5500208-43 is its rugged design. Built to withstand harsh environments, it is perfect for deployment in industrial settings where exposure to dust, humidity, and temperature variations can be a concern. The device supports industrial-grade power inputs, including PoE (Power over Ethernet), providing added convenience in installation and maintenance.

Security is also a top priority in the design of the 5500208-43. It incorporates features such as secure socket layer (SSL) encryption and user authentication to ensure that data remains protected during transmission. This makes it particularly suitable for applications requiring secure data handling, such as in healthcare, finance, and government sectors.

Additionally, the Perle 5500208-43 is backed by a solid warranty and technical support, giving customers peace of mind that they are investing in a reliable product. With its combination of versatility, durability, and advanced technology, this device stands out as a crucial component in bridging the gap between traditional serial devices and modern network systems.
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