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
Table 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