Specifications

Overview of Modem Interfaces
Logical Constructs in Modem Configurations
DC-60
Cisco IOS Dial Technologies Configuration Guide
Decimal TCP Port Numbers for Line Connections
Connections to an individual line are most useful when a dial-out modem, parallel printer, or serial
printer is attached to that line. To connect to an individual line, the remote host or terminal must specify
a particular TCP port on the router.
If reverse XRemote is required, the port is 9000 (decimal) plus the decimal value of the line number.
If a raw TCP stream is required, the port is 4000 (decimal) plus the decimal line number. The raw TCP
stream is usually the required mode for sending data to a printer.
If Telnet protocols are required, the port is 2000 (decimal) plus the decimal value of the line number.
The Telnet protocol might require that Return characters be translated into Return and line-feed
character pairs. You can turn off this translation by specifying the Telnet binary mode option. To specify
this option, connect to port 6000 (decimal) plus the decimal line number.
Table 5 tty Lines Associated with Cisco AS5200 Modems
tty Line Slot/Modem Number tty Line Slot/Modem Number
1 1/0 25 2/0
2 1/1 26 2/1
3 1/2 27 2/2
4 1/3 28 2/3
5 1/4 29 2/4
6 1/5 30 2/5
7 1/6 31 2/6
8 1/7 32 2/7
9 1/8 33 2/8
10 1/9 34 2/9
11 1/10 35 2/10
12 1/11 36 2/11
13 1/12 37 2/12
14 1/13 38 2/13
15 1/14 39 2/14
16 1/15 40 2/15
17 1/16 41 2/16
18 1/17 42 2/17
19 1/18 43 2/18
20 1/19 44 2/19
21 1/20 45 2/20
22 1/21 46 2/21
23 1/22 47 2/22
24 1/23 48 2/23