SYSTEM DESCRIPTION AND INSTALLATION MANUAL
HS--700 High Speed Data System
23--20--33
30 Aug 2002
Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.
Page 1--4
(5) The EIA/TIA--232 asynchronous serial port interface is the primary access point for
MPDS. The port provides a standard modem interface with a Hayes compatible AT
style command set. For the data communication, the port operates in the point to
point protocol (PPP) mode. The HS--700 is configured as data circuit--terminating
equipment (DCE), using hardware flow control (RTS/CTS) and operating at 115.2
kbps.
(6) The 10BASE--T Ethernet port is an alternate access point for MPDS. The interface
implements a standard 10BASE--T Ethernet port, except for the connector. MPDS is
accessed using the point to point protocol over Ethernet (PPPoE). Only one of the
two MPDS interfaces (10BASE--T or EIA/TIA--232--E) can be used at a time. The port
to be enabled is selected during the configuration of the HSU. The MPDS interface
configuration settings are stored in the configuration data module (CDM). The
HS--700 is configured as an Ethernet hub (DCE).
E. Service Routing
(1) Table 1-2 illustrates the routing or mapping of calls of a certain service to the
corresponding interface in the HS--700 system.
Table 1-2. Service Routing
Service/Interface
ISDN
Ethernet
EIA/TIA--232
ISDN Speech
Yes
No
No
3.1 kHz Audio
Yes
No
No
64 kbps UDI
Yes
No (Note)
No (Note)
56 kbps UDI
Yes
No (Note)
No (Note)
MPDS
No
Yes
Yes
NOTE:
Hardware for these combinations are implemented but no software is implemented in the initial version of the
HS--700 system.
