AT&T 3551 Switch User Manual


 
COMSPHERE 3550 Series Data Service Units
4-14 February 1995 3550-A2-GB20-10
5. Select Save (F1).
The Save to screen appears.
6. Select Activ (F1).
The selected application’s configuration is saved
to the DSU’s Active operating area, and the
Command Complete message appears.
Configuration Options
The Configuration Options (Opts) subbranch allows
you to save, copy, and/or change configuration options. It
also is the place where the DSU’s ports are configured (or
reconfigured) for EIA-232 or V.35 operation.
Refer to Chapter 5, Configuring the Unit. Chapter 5
fully explains the Opts subbranch, and provides an
example of changing configuration options.
Reconfiguring a DSU Port
Select this procedure if your unit does not have a
TDM/Flex installed and enabled.
Procedure
1. Select the Confg (Configuration branch).
2. Press the F1 key to select Opts (Configuration
Options subbranch).
3. Select Activ (Active), or one of the factory-set
configurations (PTPC, PTPT, MPTC, or MPTT)
from the Load from screen.
4. Press the
key until Gen (General) appears
above a function key (F1, F2, or F3).
5. Select Gen. (The first configuration option in the
option set is DTE Port.)
6. Select V.35 (the default is EIA232).
The DTE Port setting changes to V.35.
7. Press the
key to return to the Edit/Save menu.
8. Select SAVE (F1).
9. Select Activ (F1) from the Save to screen.
Command Complete appears to confirm that the
configuration is saved.
Reconfiguring a TDM/Flex Port
The Connecting the DSU to a DTE section of
Chapter 2 tells you how to connect Port 2 if your DSU is
equipped with a TDM/Flex.
With the TDM/Flex option, you can configure each
port (Port 1 or Port 2) independently (e.g., one port can be
configured for EIA-232 operation while other port is
configured for V.35 operation – or vice versa).
The unit is shipped with both ports configured for
EIA-232 operation.
To reconfigure a TDM/Flex port:
Procedure
1. Select the Confg (Configuration branch).
2. Press the F1 key to select Opts (Configuration
Options subbranch).
3. Select Activ (Active), or one of the factory-set
configurations (PTPC, PTPT, MPTC, or MPTT)
from the Load from screen.
4. Press the
key until MUX appears above a
function key.
5. Select MUX (F1).
If the TDM/Flex is disabled, go to the next step.
If the TDM/Flex is enabled, go to step 9.
6. Select Setup (F1).
7. For MUX Funct, select Enab.
8. Press the
key to return to the Change MUX
Opts menu.
9. Select Prt1 (F3). (The first configuration option in
the option set is DTE Port.)
10. Select V.35 (the default is EIA232).
The DTE Port setting changes to V.35.
11. Press the
key to return to the Change MUX
Opts menu.
12. Press the
key to display Prt2.
13. Select Prt2.
14. Select V.35.
15. Press the
key twice to return to the Edit/Save
screen.