Multi-Tech ISIHI-2S Guía de usuario descargar pdf (Pagina 13)

Introduction

MultiModemISI Hybrid Server Cards, ISIHP & ISIHI Series 13

Communication Protocols for ISIHP Ports

Ports on the ISIHP card can be associated with different protocols, as

follows:

Auto-Protocol. Terminal adapter automatically detects and switches

to use the protocol of the client terminal adapter.

Auto-Protocol Callback. Same as Auto-Protocol except that it

causes the host terminal-adapter to dial back with the same protocol

with which the client dialed in.

Central Site Modem. The digitally terminated V.90 modems built

into ISIHx series cards (except the 4SD model). For the ISIHP-2S/

2U, the last four modems should be designated as Central-Site

modems; for the ISIHP-4S/4U, the last eight modems should be

designated as Central-Site modems. (See Port/Device table on

previous page.)

PPP async. (Point-to Point Protocol, asynchronous) Protocol

allowing computers a dial-up connection to the Internet. PPP includes

error detection, data compression and other improvements over Serial

Line Internet Protocol (SLIP) connections.

V.120. Terminal rate adaptation protocols. These apply to ISDN B-

channels when using a V interface.

X.75. An international standard that allows X.25 packet-switched

networks to communicate with each other. X.75 is a gateway protocol

for interconnection of X.25 public networks.

(PCI) bus used by your ISIHP card provides high performance and is

easy to use. Because PCI devices contain registers with the device

information required for configuration, full auto configuration of PCI

Local Bus add-in boards and components is supported. Performance

factors include a bus data path of 32 bits, and clock speeds of 33

MHz.

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Multi-Tech ISIHI-2S Guía de usuario Pagina 13