Specifications

Installing the DAP
3-19
Note: If no connection to the DTE interface is desired, remove the jumper controlling
the respective pin.
Setting the Pin Assignment Switches
Central site versions of the Excalibur Multirate DAP have three switchbanks, labeled S1
to S3, that define the functions of certain pins on the DTE connector for RS-232
operation. The switchbanks are located on the Aggregate transition board. Table 3-11
lists the switch settings and respective functions for each switchbank.
Older standalone (Models 15-05A, 15-05B) and central site Excalibur Multirate DAPs
equipped with a Model A (Part No. 15P0501A) or Model C (Part No. 15P0501C)
Aggregate card have five switches, labeled SW1 to SW5, that define the functions of
certain pins on the DTE connector for RS-232 operation. On the standalone unit, these
switches are located on the rear panel. On central site units, these switches are located on
the Aggregate transition board. For the convenience of customers who have installed
software upgrades only, Table 3-12 lists each switch setting and its respective function.