Specifications

3-39
Cisco AS5x00 Case Study for Basic IP Modem Services
11/24/1999
Section 3 Commissioning the Cisco AS5800 Hardware
Testing Asynchronous EXEC Shell Connections
Step 1
Locate a client PC, client modem, and analog line. From the client PC, open a terminal emulation
program (such as Hyper Terminal, not Dial-Up Networking) and connect to the client modem.
The following figure shows the network environment for this test.
Figure 3-6 Test Environment
Step 2
From a terminal-emulation program, test your RS-232 connection to the client modem. Enter the
at
command. The modem sends you an OK return message.
at
OK
Step 3
Dial the PRI telephone number assigned to the NAS (in this example 5551234). After the modem
successfully connects, a connect message appears.
atdt5551234
CONNECT 28800 V42bis
Note
Many modems support the
a/
command, which recalls the last AT command. The
ath
command hangs up a modem call. The
atdl
command dials the last telephone
number.
Step 4
Log into the EXEC session:
This is a secured device.
Unauthorized use is prohibited by law.
User Access Verification
Username: dude
Password:
5800-NAS>
Step 5
Determine upon which line the call landed. The following example shows that TTY line 436 accepted
the call. The call has been up and active for 20 seconds.
5800-NAS#show caller
Active Idle
Line User Service Time Time
con 0 admin TTY 00:13:43 00:00:00
tty 436 dude TTY 00:00:20 00:00:08
Client PC
Network access
server
Default
gateway
Client
modem
PSTN
Analog PRI
30451