Paradyne FrameSaver NP 110, User Manual

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2 Description
2-14 FrameSaver NP 110 User’s Manual - Installation Guide 980-001-0240B
November 2000
Modem &
Call Director
The integral on-board modem can be switched to any one of several of the interfaces
of the FrameSaver NP 110 by the call director. The call director connects the modem
to the Base module, optional ISDN Adapter module, AUX 1 Port, or AUX 2 Port.
In this way, the modem is used for out-of-band trap reporting (FrameSaver NP 110
Base module, ISDN option module or DTE device connected to an AUX Port) and ac-
cepts incoming calls for management access of the FrameSaver NP 110, DTE device
or any other device connected to an AUX Port.
Figure 2-10 shows a block diagram of the Modem and Call Director.
Figure 2-10 Modem & Call Director Block Diagram
On incoming calls, the modem-to-interface assignment is made based on the DTMF
code detected after the FrameSaver NP 110 line interface goes off-hook and returns a
second Dial Tone.
DTMF code selections are shown in Table 2-1.
Modem parameters may be modified in the database as part of the configuration.
The configuration also includes a periodic self-test option for the modem and a dial
tone test for the dial line (performed every four hours), with results indicated on the
status screen, and failures reported as a Trap on the dedicated facility.
Line
interface
C all D irector
D ial
T one G en
M odem
D T M F D et
D ial
Line
B ase
IS D N
O ption
A ux 1
A ux 2
Table 2-1. Call Director DTMF Codes
Interface DTMF Code
Base module (CSU) 1
Aux 1 Port 2
Aux 2 Port 3
ISDN Adapter Module 4
Defaults to Base
module after timeout. All Others