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3Com Router 3000 ADSL2+ Family
Installation Guide
1.3.4 Interface attributes
The Router 3041provides one console port, four 10/100 Mbps Ethernet ports, one ISDN S/T
interface, and one ADSL2+ over POTS interface. The following table describes the attributes of the
ISDN S/T interface.
Table 1-8 Attributes of the ISDN S/T interface
Attribute
Connector
Protocol and standard
Operating mode
Service
Description
RJ-11
ITU-T I.430, Q.921, and Q.931
recommendations
ISDN dial-up
ISDN leased line
ISDN
ISDN supplementary services
Multi-subscriber number
Subaddress
Backup
1-9
1. Product Overview
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