3Com Router Module Guide
Chapter 2 Smart Interface Cards
2-27
2.7.3 Interface Attributes
The interface attributes of Router 1-Port FXS/FXO SIC and Router 2-Port FXS/FXO
SIC are given in the following table:
Table 2-16
Interface attributes of Router 1-Port FXS/FXO SIC and Router 2-Port FXS/FXO SIC
Attribute Description
Connector type
RJ11
Number of connectors
1 (Router 1-Port FXS/FXO SIC)
2 (Router 2-Port FXS/FXO SIC)
Interface standard
Subscriber circuit interface (Router 1 or 2-Port FXS SIC)
compliant with ITU Q.512.
Loop trunk interface (SIC-1FXO/SIC-2FXO) compliant with ITU
Q.552.
Over-current and over-voltage protection compliant with ITU
K.20
Cable type
Telephone cable with ferrite core.
Dialing mode
Supports DTMF, does not supports pulse dial-up.
Bandwidth
300 to 3400Hz
2.7.4 Interface LEDs
z
Router 1-Port FXS/FXO SIC panel
Figure 2-27
Router 1-Port FXS SIC panel
Figure 2-28
Router 1-Port FXO SIC panel