Table 4-1 shows the various port types and connections between LAN devices.
Port or Connection
Port Type
Connected To
Cable
Ethernet
RJ-45
Ethernet hub or Ethernet switch
T1/E1 WAN
RJ-48C/CA81A
T1 or E1 network
Rollover
Console
8 pin
Computer COM port
AUX
Modem
BRI S/T
NT1 device or private integrated network exchange (PINX)
BRI U WAN
RJ-49C/CA11A
ISDN network