14 CHAPTER 1: OVERVIEW
ISDN S/T and U ports
Table 13 lists attributes of the ISDN S/T and U ports.
Router 3016 Figure 5 illustrates the Router 3016.
Figure 5 Router 3016
Minimum baud
rate (bps)
1200 1200 1200 1200 300
Maximum baud
rate (bps)
64 k 2.048 M 2.048 M 2.048 M 115.2 k
Services DDN leased line
Terminal access
Backup
Modem dial-up
Backup
Protocols PPP
MP
LAPB (Link Access Protocol-Balanced)
HDLC (High-level Data Link Control)
SDLC (Synchronous Data Link Control)
X.25
Frame Relay
PPP
SLIP
MP
Tabl e 13 Attributes of ISDN S/T and U Ports
Attribute Description
Connector RJ45
Protocol standards Complies with ITU-T I.430, Q.921 and Q.931 recommendations
Operating mode ISDN dial-up
ISDN leased line
Services ISDN
ISDN additional services
Multi-subscriber number
Subaddress
Backup
Table 12 Attributes of the Synchronous/Asynchronous Serial Interface (continued)
Attribute
Description
Synchronous Asynchronous
Power LED
Ethernet LED
T1-LNK LED
T1-ACT LED
AUX LED
System LED