AS2525F datasheet(16/28 Pages) AMSCO

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Datasheet AS2525

austriamicrosystems

Revision 2.1

Page 15 of 27

4. Press [PG] (= store and exit) or go on-hook to

abort

Reset to Factory Settings

It is possible to reset all settings to the default factory

settings with following procedure:

1. Press [PG] to enter program mode

2. Press [1] + (PIN) + [#] + [8]

3. Press [1] for reset

4. Press [PG] (= store and exit) or go on-hook to

abort

Dial Mode Selection

The default signaling mode (LD or MF) is selectable

through following procedure:

1. Press [PG] to enter program mode

2. Press [3] to enter dial select mode

3. Press [0] for LD and [1] for MF

4. Press [PG] (= store and exit) or go on-hook to

abort

When default LD mode is selected, a temporary change to

MF can be invoked by pressing the [

∗∗∗∗] key. Temporary MF

select with tone on first key pressure can be selected as

option (see also Table 3: Parameter settings). The circuit

will revert to LD by pressing the [FL] key or by next on-

hook.

Re-Dialing (Last Number Redial)

Re-dialing is a facility that allows re-signaling of the last

dialed number without keying in all the digits again.

Numbers dialed out from any memory will also be stored in

the LNR memory. The re-dialing works in following manner:

Any digit (including Flash, Pause, and MF select) being

dialed is storable in the LNR memory up to a total of 31

digits.

If more than 31 digits are entered, re-dialing will be

inhibited.

Pressing the [R/P] key as first entry after off-hook

(LNR cursor at first digit) will invoke dialing the content

of the LNR memory.

If the [R/P] key is pressed after entering one or more

digits, the key will function as a pause key and each

pressure will insert a pause.

Pauses can also be inserted by pressing the [R/P] key in

program mode.

Flash Function

A flash, [FL] key, activation will invoke a timed loop break.

The flash duration can be programmed through set-up (see

Figure 2: Keys for HEX-code entry and Table 4: Timing

selection by HEX code):

Table 22: Flash duration setting

[PG] + [0] + (Password) + [

∗∗∗∗] + (digit) + (HEX) + [PG]

Digit

Timing

Flash Duration

[4]

HEX code

Flash 1

[5]

HEX code

Flash 2

One of two pre-programmed can be selected as follows:

1. Press [PG] to enter program mode

2. Press [2] to enter flash select mode

3. Press [0] for duration 1 and [1] for duration 2

4. Press [PG] (= store and exit) or go on-hook to

abort

A flash entered will be stored in the LNR memory together

with entered digits. After a recall a 270 ms pause will

automatically be executed.

Pauses

Pauses can be inserted if the [R/P] key is pressed after

entering one or more digits. Also during programming,

pauses can be inserted by pressing the [R/P] key. Default

pause duration is 1 second (P1) and an alternative pause

of 3 second (P2) can be selected. These pauses can be

changed through the set-up programming (see Table 3:

Parameter settings)

Memory Keys

The keys [M1] to [M8] are direct memory access keys,

[SH] key is used to access second level of direct

memories, and the [MR] key is used for key-code dialing.

Up to 26 numbers can be stored in the on-chip RAM. Each

number can contain up to 21 digits (including pauses).

During programming multiple pauses can be inserted by

pressing the [RD] key.

Example (45678P123 is stored in M1, where P is a pause

and 123 the extension number):

1. Off-hook, wait for dial tone

2. Press [M1]

45678 is dialed out

Dialing halts (pauses)

Dialing is resumed, 123 is dialed out.

Memory dialing is cascadable up to a the maximum of 31

digits/data.

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