Black Box ServSwitch CX 用户手册
®
Modem/ISDN port
The ServSwitch CX with IP models
provide a serial port to allow you
to connect either a modem or ISDN
terminal adapter. This can be used
as a primary, secondary or backup
access port for global users, as best
suits your overall configuration.
IMPORTANT: When the ServSwitch
CX with IP is accessible from the
public Internet or dial up connection,
you must ensure that sufficient
provide a serial port to allow you
to connect either a modem or ISDN
terminal adapter. This can be used
as a primary, secondary or backup
access port for global users, as best
suits your overall configuration.
IMPORTANT: When the ServSwitch
CX with IP is accessible from the
public Internet or dial up connection,
you must ensure that sufficient
are employed.
Note: On non-IP models, the
COM2/MODEM port is reserved for
the support of future features.
COM2/MODEM port is reserved for
the support of future features.
To connect a modem or ISDN adapter
1 If possible, disconnect power from the ServSwitch CX with IP and the
modem or ISDN adapter.
2 Connect a suitable serial modem (non-crossover) cable to the serial port on
the modem/ISDN adapter.
3 Connect the other end of the serial cable to the port labelled COM1 at the
rear of the ServSwitch CX with IP.
Note: The default serial port speed is 115200 and a standard Hayes-compatible
auto-answer string is sent during startup. The default startup string is
‘ATZHS0=1’. Both the serial port speed and startup string settings can easily be
altered during configuration - see
auto-answer string is sent during startup. The default startup string is
‘ATZHS0=1’. Both the serial port speed and startup string settings can easily be
altered during configuration - see
for more details. The
other serial settings are fixed at: No parity, 8 bit word and 1 stop bit.
Cable from modem
or ISDN adapter
ServSwitch CX rear
panel
MODEM
/ISDN
®
724-746-5500
®