4000 Router Series Interface Module Guide

Figure 15 DSIC-1SHDSL-8W panel

The following table describes the LEDs on the module panel.

Table 25 LEDs on the DSIC-1SHDSL-8W panel

LED Descri

tion

LINK/ACT (P0-P3)

• ON means a carrier signal is received.

• OFF means no carrier signals is received.

• Fast flashing means data is being received or/and transmitted.

• Slow flashing means the module is negotiating rates.

Interface cables and the connection methods

For more information about G.SHDSL interface cables and the connection methods, see "G.SHDSL

interface."

SIC-1ADSL

Introduction

A 1-port ADSL over PSTN interface module (SIC-1ADSL) provides an RJ-11 interface that can work as a

WAN interface. It allows a LAN subscriber to connect to the digital subscriber's loop access multiplexer

(DSLAM) at the central office over a regular analog subscriber line or telephone line. Thus, the subscriber

can access the ATM/IP backbone or the Internet to enjoy services such as high-speed data

communication and video on demand (VoD).

ADSL transmits data in the high frequency band above 26 kHz. Therefore, it can provide services without

interfering with the voice service being provided in the low frequency band (0 to 4 kHz) on the same line.

It provides downlink rates in the range 32 kbps to 8 Mbps and uplink rates in the range 32 kbps to 1

Mbps.

The SIC-1ADSL delivers these features:

• Manual ADSL line activation and deactivation, providing a convenient fault location means.

• Interface standards of G. DMT, G. Lite, and T1.413, auto-sensing.

• Trellis coding (except for G. Lite) on ADSL interfaces, enhancing the stability of ADSL connection.

Interface attributes

Table 26 Interface attributes of the SIC-1ADSL

Attribute SIC-1ADSL

Connector RJ-11

Number of connectors 1