4000 Router Series Interface Module Guide

Attribute Description

Minimum baud rate 300 bps

Maximum baud rate 115.2 Kbps

Supported services

• Modem dial-up

• Backup

• Terminal access service

• Asynchronous dedicated line

Interface LEDs

The following figure illustrates the SIC-8AS front panel:

Figure 12 SIC-8AS front panel

The following table describes the LEDs on the SIC-8AS panel:

Table 19 LEDs on SIC-8AS panel

LED Descri

tion

LINK/ACT

• OFF means no link is present;

• ON means a link is present.

• Flashing means data is being received or/and transmitted.

Interface cables and the connection methods

For more information about asynchronous serial port cables, see "Asynchronous serial ports."

SIC-16AS

Introduction

The 16-port asynchronous serial interface module (SIC-16AS) mainly transmits and processes

asynchronous data streams.

SIC-16AS features the following:

• Each asynchronous serial port provides a rate of up to 115.2 Kbps.

• Supports the terminal access service and asynchronous dedicated line.

• Serves as the small-/medium-sized ISP dial-up access server when an asynchronous serial port is

used for dial-up.

Interface attributes

The following table describes the interface attributes of the SIC-16AS.

Table 20 Interface attributes of SIC-16AS

Attribute Description

Connector D28 (male)