3Com 3C13880 Network Router User Manual


 
3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 2 Smart Interface Cards
2-23
Step 3: Power on the Router, and check the LEDs of the corresponding slot on the
front panel: ON means that the SIC is operating normally and OFF means that the
POST of the SIC has failed. In the latter case, please contact your agent.
Step 4: Check the status of LINK LED on the Router 1-Port Fractional T1 SIC panel:
ON means the link is connected and OFF means the link is not connected. In the latter
case, check the line.
2.6 Router 1-Port Analog Modem SIC
2.6.1 Introduction
1/2-port analog modem interface card (Router 1-Port Analog Modem SIC) integrates
the functions of asynchronous interface and external modem, that is, allowing 1/2
channel(s) of remote modem subscribers to directly access the Router. They support:
z Data rate of 56 kbps.
z Accessing and handling analog signals and transmitting the processed data to
the Router host through the serial interface bus. And also, processing the data
received from the host and then transmitting them to the PSTN via the telephone
port.
2.6.2 Appearance
Router 1-Port Analog Modem SIC and are shown in the following figures:
Figure 2-23 Router 1-Port Analog Modem SIC
2.6.3 Interface Attributes
The interface attributes of Router 1-Port Analog Modem SIC are given in the following
table:
Table 2-14 Interface attributes of Router 1-Port Analog Modem SIC
Attribute Description
Connector type RJ11