Total Access
®
3000/3010 System Manual
6TAAPP301-1E
TOTAL ACCESS 3000/3010
APP-301
Page 1 of 6
© 2002, ADTRAN, Inc.
1.1 Standard DSX-1-Fed System Application
NOTE
References to common, but differing, parameters between the Total Access
3000 and the Total Access 3010, such as number of slots, will be conveyed
by the convention a/b. The “a” represents the Total Access 3000 parameter
and the “b” represents the Total Access 3010 parameter. For example, the
differing number of access slots in the two platforms, 28 for the Total Access
3000 and 22 for the Total Access 3010, would be displayed “28/22.”
1.1.1 Usage
The standard DSX-1-Fed configuration will be used when several technologies are to
be used inside one Total Access 3000/3010 shelf and it is to be DSX-1-Fed.
Currently, the technologies that can be mixed together into one standard DSX-1-Fed
shelf are as follows:
• T1 (T1-OR)
• HDSL (HTU-C, H2TU-C)
• ISDN (HD-10 in 8 DSL mode)
• ODS-2 (QFO-C)
When mixing technologies in Total Access 3000/3010, it is important to note that the
Total Access shelf can accomodate 28 modules of T1-ORs, HTU-Cs, H2TU-Cs, and
QFO-Cs, all of which have the option of being in a 1:1 protected or non-protected
mode. If the QFO-C modules are non-protected, then the limit is 14 QFO-Cs per
FO-Cs will occupy the odd-numbered slots. The capacity for the HD-10 is 14 because
the module is a double-wide unit. The HD-10 module does not have 1:1 protection
capabilities.
When different technologies are used in the same shelf, the wiring should follow the
Standard DSX-1-Fed table (see Table 1). This assures the user that all technologies
reach network via DSX-1 A and B connectors (pairs 5 through 8, see Table 2 and
Table 3 for pinouts), and the loop via the MDF (pairs 1 through 4, see Table 4 for
pinouts and Figure 1 for MDF mapping), or the FDF for fiber applications.
NOTE
The H2TU-C delivers its HDSL2 signal to the loop on Pair 2 only.
As long as these guidelines are followed, there is no specific ordering of technologies
or modules within the Total Access shelf.
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