Instruction manual

ACU-1000 Operations Manual
Interoperability Now 3-7
3.4.3.13 Ring LED (PSTN-2, LP-2)
The PSTN-2 Ring LED lights while the module is receiving a ring signal from the telephone
line. The LP-2 Ring LED is lit whenever it is causing the associated telephone set to ring.
3.4.3.14 Connect LED (PSTN-2)
The Connect LED lights when the PSTN module is actually connected to a telephone line,
either in response to automatic answer of an incoming ring, or while dialing out.
3.4.3.15 Off Hook LED (LP-2)
This LED lights whenever the local phone set is taken off hook.
3.5 Local Operation Via HSP-2A
This section explains how the ACU-1000 may be locally controlled using the HSP-2A
module’s handset, keypad and speaker. Local operation via the HSP-2A may take place in
conjunction with operation via the ACU Controller or the WAIS Controller. When connections
are made or broken by the Local Operator using the HSP-2A, the changes are reported to any
control programs by the ACU-1000 and show up immediately.
Note that when the ACU-1000 is being controlled remotely via either the WAIS Controller or
the ACU Controller, these programs will prevent HSP-2A configuration programming. It’s
possible to override this lockout feature, see the “Regain Control” Operational Command Item.
3.5.1 HSP-2A Local Operation
The HSP-2A Module provides a means to locally monitor, control and configure an ACU-1000
system. The user can monitor audio via the handset or an internal speaker, or plug in external
headphones or an external speaker. The handset includes a PTT switch, which must be
depressed for the user’s voice to be transmitted. Control is via a 3x4 keypad (standard
telephone layout), which enables the user to select a module and enter control/configuration
data. If the system contains a PSTN-2 module, the user may place telephone calls manually
using the HSP-2A keypad and handset. The module also has an external connector for
connection of 4 wire devices. The HSP-2A module houses the system voice prompt generator.
These voice prompts allow the ACU system to respond with English messages (optionally,
other languages) that make it easier to configure and operate the system.
Section 2 included instructions for configuring system modules via the HSP-2A keypad. Table
3-1 and the subsequent text explain how to use the HSP-2A as an operational control for the
ACU-1000 system. The HSP-2A can make a communications link with any one of the
system’s interface modules, or with a number of them simultaneously in a conference call.
A local operator can use the HSP-2A to perform operations that remote users are unable to
perform via DTMF input. These include storing the current state of connections for later recall,
and removing a user other than oneself from a current cross-connection. A system user at the
HSP-2A is considered the “local operator” of the system, and has the extension number “0 0”.
In an Expanded System, if there is an HSP-2A in the expansion chassis, it has the extension
number “2 5”.