Teltone m-392 Guida Utente

Cascade operation is linking a series of LSS units together through Port 1 and/or other
ports. In this type of operation, the LSS is capable of supporting much more than the
normal 4 ports. Two typical applications are described in this chapter. The first is a
distributed application using Standalone operation, and the second is a daisy-chain
configuration using Teltone Default operation.

Cascaded units operate just as they would normally, with one exception: Priority
operation via Port 1 must

always be connected from port 1 of the primary LSS to the Jack

A input of the cascaded LSS, see Figure 7. Other ports can be used to connect any other
device that would normally be used with a LSS (e.g., modems).

Access to the ports of cascaded units is also slightly different from standard operation. A
standard example for accessing port 3 would be by dialing the telephone number of the
line connected to the C.O. port, and then entering 33 after the first ring. In a cascade
configuration, a delay would be placed after the first port access code, followed by the
port access code of the LSS next in line. For example, a modem dial string would be as
follows:

ATDT 1 201 733 9200,,,,33,,44

This would route a caller through port 3 of the primary LSS and to port 4 of the
secondary LSS in cascade.

All features are available in Cascade operation; however, the function of priority modes
(Total and No Priority) is slightly different.

Page 30