Paradyne COMSPHERE 3610, Руководство оператора

Страница: 24 / 310

COMSPHERE 3600 Series Data Service Units
1-8 July 1999 3610-A2-GB91-90
The control DSU with the Single-Port Async/Sync
feature is compatible with earlier DSU releases that use a
TDM with the ports configured as a single port-sharing
group, as long as the control DSU’s port speed and the
port-sharing group port speeds are the same. Earlier DSU
releases from 4.xx to 5.xx can be accommodated as long
as the control DSU’s software/firmware version is 6.xx;
otherwise, the units should be returned to the factory to be
upgraded. (Contact your authorized service representative
to arrange for your upgrade.) Figure 1-3 shows a
compatible configuration. Access the Status (Stat) branch
and select ID (Identity) to determine the DSU’s
software/firmware version (DSU SW ver).
NOTE
For asynchronous ports to
operate at 1200 bps, the
individual asynchronous port
speeds for both the control and
tributary DSUs must be set to
=Sync (Async Rate = Sync) when
the port’s Async-to-Sync
capability is enabled
(Async
→
Sync = Enab).
Figure 1-3. Multipoint Async-Compatible Network