Motorola 202T Manuale utente

Setting the 202T Modem Page 6-1Overview

INTUITY AUDIX LX Release 1.0

Centrex Integration Issue 1

May 2002

6Setting the 202T Modem

Overview

This chapter describes how to set the options on the 202T modems and how to

assemble the modem unit.

NOTE:

A Centrex switch integration does not require the installation of a 202T

modem if the distance between the Avaya™ INTUITY™ system and the

switch is less than or equal to 15.3 m (50 ft), the RS232 standard. If the

distance is greater than 15.3 m (50 ft), use a 202T modem.

The 202T modem supports only a baud rate of 1200. To use the 202T

modem, verify that the SMDI link is configured for 1200, as specified in

Chapter 3, Centrex Switch Requirements and Administration.

INTUITY AUDIX LX Release 1.0

Centrex Integration Issue 1

May 2002

Setting the 202T Modem Page 6-2202T Modem Types

202T Modem Types

You can install either one of the following 202T modem types with the INTUITY™

AUDIX system:

■Motorola 202T modem

■AT&T Dataphone 202T modem

However, the modem at the service provider switch may be different, though the

commonly-supported modems at the service provider switch include the following:

■General DataCom 202T modem

■Rexon 202T modem

■NEC 202T modem

When you install at Motorola 202T modem with the Intuity AUDIX system, the

modem at the service provider switch must always be set to the default options. If

the Intuity AUDIX modem is an AT&T Dataphone 202T, the modem options at the

service provider switch may differ. See Modem Settings for the Service Provider

Switch on page 6-11.

The manufacturer’s name appears on the faceplate of the unit.

Setting Options for the 202T Motorola

Modem

The Motorola 202T modem contains 14 jumpers that must be correctly set. Use

this procedure to set the jumpers.

1. To remove the top cover from the Motorola 202T modem, complete the

following Steps a through f:

NOTE:

Installers in Canada may need to use a screwdriver to remove a

screw through the top rear panel or to remove tabs located between

the cover latch and the bottom plate.

a. Turn the modem on its side.

b. Place your thumbs on the blue tabs and your fingers on the edge of

the cover (Figure 6-1, View 1).

INTUITY AUDIX LX Release 1.0

Centrex Integration Issue 1

May 2002

Setting the 202T Modem Page 6-3Setting Options for the 202T Motorola Modem

Figure 6-1. Removing the Top Cover of the Motorola 202T Modem: Releasing the First

Set of Latches

c. Press the tabs down and toward the modem (Figure 6-1, View 2).

Use your fingers to gently push the top cover away from the body.

Do not remove the top cover.

d. Turn the modem so that the opposite side faces you.

e. Gently push above the latches to release the other side of the cover.

f. Pull the released cover off.

2. Verify the settings. To locate the jumpers in the modem, see Figure 6-2. To

verify the jumpers, see Figure 6-3 and Table 6-1. Correct any as necessary.

INTUITY AUDIX LX Release 1.0

Centrex Integration Issue 1

May 2002

Setting the 202T Modem Page 6-4Setting Options for the 202T Motorola Modem

Table 6-1. Motorola 202T Modem Jumper Identities and Settings

Location on

Figure 6-2

and Figure

6-3 Jumper Identity Setting for the Avaya INTUITY System

Carrier Detect

Level –45 dBm Level

(0 and –45 strapped)

Carrier Detect

Delay 6 ms

(6 and P strapped)

Anti-Streaming

Option Out

(6 strapped)

Local Copy

Squelch Out –No local copy

(Out and P strapped)

Call Turnaround

Squelch Call Turnaround Squelch set to out

(P and O strapped)

Turnaround

Squelch Time 8.3 ms squelch

(P and 8.3 strapped)

Soft Carrier

Turnoff 0 –Do Not Send Soft Carrier

(0 strapped)

Test Generator

Baud Rate

Select

18 bps

(Option 4 strapped)

Chassis/System

Ground Option Out

(Out and P strapped)

RTS/CTS Delay RTS/CTS Delay 33 ms

(33 strapped)

Transmit Carrier Strapped for terminal control of carrier by exercising

RTS Input Line

(TC and P strapped)

2-Wire/4-Wire

Option 4-Wire Option

(4W and P strapped)

Transmit Level

Option 0

(-0 strapped)

2-Wire/4-Wire

Option 4-Wire Option

(4W and P strapped)

Continued on next page

INTUITY AUDIX LX Release 1.0

Centrex Integration Issue 1

May 2002

Setting the 202T Modem Page 6-5Setting Options for the 202T Motorola Modem

Figure 6-2. Motorola 202T Modem Circuit Board and Jumper Locations

INTUITY AUDIX LX Release 1.0

Centrex Integration Issue 1

May 2002

Setting the 202T Modem Page 6-6Setting Options for the 202T Motorola Modem

Figure 6-3. Motorola 202T Modem Default Jumper Settings

INTUITY AUDIX LX Release 1.0

Centrex Integration Issue 1

May 2002

Setting the 202T Modem Page 6-7Setting Options for the AT&T Dataphone 202T Modem

3. To replace the top cover, complete the following Steps a and b:

a. Line up the guides with the front and back panels.

The guide for the front panel is slightly farther from the edge of the

cover.

b. Slide the cover into place.

The cover clicks when the latches are secure.

NOTE:

Installers in Canada should replace the screw or the locking

tabs.

4. Set the front dial to DATA (see Figure 6-4).

Figure 6-4. Front Panel of the Motorola 202T Modem Showing the Dial Setting for

DATA

5. Continue with Chapter 7, Hardware Installation for Centrex Switch

Integration with the 202T Modem.

Setting Options for the AT&T

Dataphone 202T Modem

The AT&T Dataphone 202T modem has three switches —S2, S3, and S4 —that

you must set before installing the integration hardware.

Location of Switches

Figure 6-5 shows the location of the switches.

INTUITY AUDIX LX Release 1.0

Centrex Integration Issue 1

May 2002

Setting the 202T Modem Page 6-8Setting Options for the AT&T Dataphone 202T Modem

Figure 6-5. Location of Option Switches on the AT&T Dataphone 202T Modem

Operating the Rockers

The options are set by moving rockers on the numbered side of the switches up

(open) or down (closed). Figure 6-6 shows an example of a switch on the 202T

modem. In this example, options 1 through 5 are closed, indicated by rockers

down on the numbered side of the switch. Options 6 through 10 are open,

indicated by rockers up on the numbered side of the switch.

NOTE:

Figure 6-6 is an example only. Use the switch settings in Table 6-2.

Figure 6-6. Example of 202T Modem Switch Option Settings

cdin202t RPY 071897

1. 202T modem (modulator-demodulator

2. Option switch S4 3. Option switch S2

4. Option switch S3

INTUITY AUDIX LX Release 1.0

Centrex Integration Issue 1

May 2002

Setting the 202T Modem Page 6-9Setting Options for the AT&T Dataphone 202T Modem

Procedure

Use this procedure to set the switches.

1. Remove the front of the data mounting.

2. Pull out the circuit card.

3. Use Table 6-2 to verify the option switch settings for S2, S3, and S4.

NOTE:

The information in Table 6-2 may also be printed on the bottom of the

modem housing.

Table 6-2. AT&T Dataphone 202T Modem Option Settings

Switch Segment Position Feature

Option

(*= factory

setting) Description

S1 1 Closed 4-wire operation ZK*

2 Closed Soft turnoff and

squelch intervals Z 0 (soft turnoff)

0 (squelch)

3 Closed Fast carrier

detection NOut(normal

mode)

4 Open Clear-to-send

interval M* 8ms

5 Open ———

6 Open Soft turnoff and

squelch intervals Z 0 (soft turnoff)

0 (squelch)

7 Closed Soft turnoff and

squelch intervals Z 0 (soft turnoff)

0 (squelch)

8 Open Soft turnoff and

squelch intervals Z 0 (soft turnoff)

0 (squelch)

9Closed———

0 Open Clear-to-send

interval M* 8ms

Continued on next page

INTUITY AUDIX LX Release 1.0

Centrex Integration Issue 1

May 2002

Setting the 202T Modem Page 6-10Setting Options for the AT&T Dataphone 202T Modem

S2 1 Closed 4-wire operation ZK*

2 Closed Soft turnoff and

squelch intervals Z 0 (soft turnoff)

0 (squelch)

3 Closed Fast carrier

detection NOut(normal

mode)

4 Open Clear-to-send

interval M* 8ms

5 Open ———

6 Open Soft turnoff and

squelch intervals Z 0 (soft turnoff)

0 (squelch)

7 Closed Soft turnoff and

squelch intervals Z 0 (soft turnoff)

0 (squelch)

8 Open Soft turnoff and

squelch intervals Z 0 (soft turnoff)

0 (squelch)

9Closed———

0 Open Clear-to-send

interval M* 8 msec

S3 1 Open 4-wire operation ZK*

2 Open Compromise delay

equalization ZU* Maximum

3 Open Channel condition ZY* Basic

4 Open 4-wire operation ZK*

5 Open Compromiseamplitude

equalization ZW* Maximum

6 Closed 4-wire operation ZK*

7 Closed 4-wire operation ZK*

8 Closed 4-wire operation ZK*

9 Closed 4-wire operation ZK*

0 Closed 4-wire operation ZK*

Table 6-2. AT&T Dataphone 202T Modem Option Settings — Continued

Switch Segment Position Feature

Option

(*= factory

setting) Description

Continued on next page

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