420 IOLAN SDS/SCS/STS/MDC User’s Guide, Version 4.0
PAP (Password
Authentication
Protocol)
Standard authentication protocol for PPP connections. see CHAP
RADIUS (Remote
Authentication Dial In
Users Services)
An open standard network securit y server that communicates with the PAP protocol.
Reverse Connection Connections that originate from a host that go directly to a serial device through the Device
Server.
RIP (Routing
Information Protocol) A protocol that allows gateways and host s to exch ange information about various routes to
different networks.
Roamin g Callbac k A method where the client supplies the number for callback when they dial in.
RPC Remote Procedure Call. A type of protocol that allows a program on one com puter to execute a
program on a server computer.
Silent Connection Silent connections are the same as direct connections except that they are permanently
established. The host login prompt is displayed on th e screen. Logging out redisplays this
prompt. Silent connecti ons, unli ke direct connections, however, make perman ent use of pseudo
tty resources and therefore consume host resources even when not in use.
SNMP (Simple
Network Management
Protocol)
A protocol for managing network devices.
Subnet/Prefix Bits Identifies the device’s IP address, which portion constitutes the network address and which
portion constitutes the host add ress.