5-6
Stinger® MS+ Getting Started Guide
Configuring the Control Module and System Timing
Logging into the control module
Figure 5-4. Connection for internal modem
Use the Modem profile to set the autoanswer configuration of this modem. Following
is a sample of this profile with its default setting:
[in MODEM/{ shelf-1 first-control-module 3 }]
physical-address* = { shelf-1 first-control-module 3 }
auto-answer = on
The
auto-answer
parameter has three valid settings:
Logging into the control module
To configure the unit initially, or after clearing its NVRAM, you must connect a
workstation to the control module serial port (labeled DIAG PORT). After connecting
the management workstation, launch a communications program that supports
terminal emulation. Make sure that the terminal emulation settings specify 9600bps,
8 data bits, 1 stop bit, and no parity or flow control.
The default settings for the serial port profile allow anyone connecting to the
diagnostics port to access the system as the administrative (
admin
) user, without
logging in or being authenticated. When you connect to an unconfigured Stinger unit
Setting
Specifies
on
The internal modem automatically answers any incoming
call and attempts to negotiate modem protocols with the
caller.
off
The internal modem ignores incoming calls.
primary-only
Not used in the Stinger MS+ unit.
Note
In Stinger units with redundant control modules, the
internal modem automatically answers incoming calls only
if the control module is the primary control module for the
Stinger unit. When the control module is set as the
secondary control module, the modem ignores incoming
calls. This setting allows redundant controllers to share a
single telephone line.
STINGER MS
BITS
MINOR
MAJO
R
NC
COM
NO
NC
COM
NO
-48VD
C
RTN
-48VD
C
MODEM
Modem
port
MODEM
P.O.T.S.
cable
(plain old telephone service)
