•
launch the hyper-terminal operation program on the PC.
For Rack Mount models
•
insert modem card to shelf
•
connect the modem using the “straight” Patch Cord cable to the hub
through the HUB connector or to the PC through the PC connector. Only one device can be
connected to modem jack at same time.
•
connect the modem, if necessary, to the serial port of the PC through
the “MONITOR” shelf connector using the “straight” modem cable;
•
connect the modem to the line using the “DSL” connector;
Communication parameters of the terminal configuration
Management of devices of Rack Mount type
The device rear panel contains the TTL management bus, organized according to the “point/multipoint”
scheme. The TTL-RS232 layer translator is on the rear panel of the device. The socket for the connection
to the terminal is on the rear panel as well. If ACU and CMU are installed in Sub-Rack, the management
socket is on the front panel.
To connect the terminal, it is necessary to use RS232 cable. While attaching the cable to the computer
COM-port, make sure the port is not occupied by the other device drivers (for example, mouse).
The terminal must be configured in the following way:
• Transmission rate: 9600 kbit/s;
• Transmission format: 8-N-1;
• Flow management: XON/XOFF;
• Terminal type: VT100.
At any one time only one device in the shelf can be logically connected to the management interface. The
device is chosen in accordance with the slot number, in which it is mounted. To choose the necessary
device, type <%SN >, where SN is the slot number.
Example: to select the modem, mounted in slot 3, type:
%03
The unit in the shelf displays %SN after the ECHO command is entered, where SN is the slot number.
After typing “ECHO”, the operator will receive a response from LTU devices, as it is shown below:
ECHO
%01 %02 %08 %10 %11 %12
Management of devices of Stand Alone type
The management terminal is connected to the MONITOR socket (DB9 type), which is on rear panels. The
requirements to the terminal configuration are analogous to those of Rack Mount devices. After the power
is on, the computer displays information about the device firmware loading. It is necessary to set the
following parameters to monitor the modem:
•
transmission rate – 9600;
•
data bits – 8;
•
parity – none;
•
number of stop bits – 1;
•
flow control – XON/XOFF.
Date 21.10.03
page 11 of 29
