3Com Router 3000 Series User Manual

2-Port ISDN BRI U SIC The main functions of the 2-port ISDN BRI U SIC are to transmit and process two
channels of ISDN BRI U data stream. The 2-port ISDN BRI U SIC has an integrated
NT1 for consolidation of customer premises equipment. The 2-port ISDN BRI U SIC
has two types of operating modes: dialing and leased line. The 2-port ISDN BRI U
SIC is shown in
Figure 3
Figure 3 The 2-port ISDN BRI U SIC
Features Ta bl e 8 lists features of the 2-port ISDN BRI U SIC.
Services ISDN
ISDN additional services
Multi-subscriber number
Subaddress
Backup
Table 7 Attributes of the ISDN U Port (continued)
Attribute Description
Table 8 Features of the 2-Port ISDN BRI U SIC
Attribute Description
Connector type RJ45
Number of connectors 2
Cable type Telephone cable with ferrite core
Protocol standard Comply with the ITU-T I.430, Q.921, and Q.931
Recommendations.
Operation mode ISDN dialing mode
ISDN leased line mode
Supported service ISDN
ISDN complementary services
Multi-user number
Sub-address
Backup
Supported protocol PPP over ISDN
MP
Q.921
Q.931
3Com Router Release Notes for V1.20
18

3Com Router 3000 Series Specifications

General

Brand	3Com
Model	Router 3000 Series
Category	Network Router
Language	English