
E1/T1 PCI card installation guide
22
Usage and Type
The 75 Ohm E1 card described here is designed
•
For use when connected to the Public Switched Telephone Network (PSTN) via a 2.048
Mbps digital service using Channel Associated Signalling (CAS)
•
For use when connected to a 2.048 Mbps Integrated Services Digital Network (primary rate
ISDN) with DASS-2 signalling.
•
For use when connected to a private circuit using the CCITT G.703 interface at 2.048 Mbps,
in this case the signalling is not specified and, for example, includes DPNSS signalling.
The 120 Ohm E1 card described here is principally designed for use connected to a 2.048 Mb/s
integrated services digital network (primary rate ISDN) with ETS300-102 signalling, but other
types of private circuit use are also appropriate.
Approved Functionality
Example filenames for the software to be loaded into RAM for signalling software to connect to
the network are:
Rev
1.5
Rev
2
DPNSS
M1DPNSS.P4R
M1DPNSS.UPR
Please contact Aculab for details of other supported protocols.
CAS Functionality
• Call
initiation
• Call
clearing
• Call
answering
• Host
independent
installation
•
Application program generated by the user
•
Independent Operation of the network ports (one or both ports attached to the network)
•
Operational code loaded to RAM
•
Major Equipment Failure (MEF) watchdog circuitry
•
Data and speech operation
DASS-2 (on the PSN) Functionality
•
Data and speech operation using any appropriate SIC (Service Indicator Code)
•
Call initiation using DASS-2 signalling
•
Call clearing using DASS-2 signalling
•
Call answering using DASS-2 signalling
•
Selection of Supplementary Services
• Host
independent
installation
•
Application program generated by the user
•
Independent Operation of the network ports (one or both ports attached to the network)
•
Operational code loaded to RAM
•
Major Equipment Failure (MEF) watchdog circuitry
•
Host Watchdog security feature
Note
The SIC determines the type of call being made, and the type of terminal equipment that may terminate the call.
ETS Functionality
For 120 Ohm E1 cards with RAM, the filename for the software to be loaded into RAM for
signalling software to connect to an ETS network is
ETS_SUPU.P4R
for rev 1.5 or
ETS_SUPU.UPR
for rev 2 PM’s.
•
Call initiation using ETS300-102 signalling
•
Call clearing using ETS300-102 signalling
•
Call answering using ETS300-102 signalling
• Host
independent
installation
•
Application program generated by the user
•
Independent Operation of the network ports (one or both ports attached to the network)
•
Operational code running from RAM