MULTITECH MT5600 ZDXe DIAGNOSTIC MODEM

COMMS # 67

	FECO:	COMMS # 67
	MODIFICATION NO:	N/A
	PRODUCT:	MULTITECH MT5600 ZDXe MODEM
	SUB-ASSEMBLY:	N/A
	ESTIMATED MAN HOURS:	N/A
	CLASS OF CHANGE:	MANDATORY
	REASON FOR CHANGE:	INTRODUCTION OF NEW DIAGNOSTIC MODEM
	RELATED FECO/AB	N/A

MULTITECH MT5600 ZDXe DIAGNOSTIC MODEM

1 NOTE:

Throughout this FECO a SPACE in a string is shown by a Ñ .

All other spaces are purely cosmetic

2 INTRODUCTION

This is to introduce the new diagnostic modem the Multitech MT5600 ZDXe.
This modem is a direct replacement for the previous diagnostic modem the US Robotics.

3 DESCRIPTION

The unit is compact and neat, and uses standard DB25 connectors, see below. There is an
external power supply.

4 FRONT VIEW

5 REAR VIEW

6 COMPLETE VIEW

7 EDP SPECIFICATION

7.1 Data compression

V.42bis, (4:1throughput)or MNP 5 (2:1 throughput) data compression.

7.2 Speed Conversion

Serial port data rates adjustable to 300, 1200, 2400, 4800, 9600, 19,200, 38,400, 57,600
and 115,200 bps.

7.3 Flow Control Options

Xon/Xoff, Hardware RTS/CTS.

7.4 Mode of Operation

Full duplex over dial-up lines.

7.5 Intelligent Features

              Automatic or manual dialing, Automatic or manual answer, Microprocessor-
              controlled, EIA extended Automode, adaptive line probing, automatic symbol rate
              and carrier frequency during start-up, retrain and rate renegotiation, Autodial,
              Redial, Tone dial, Dial pauses, Call status display, Auto-parity and data rate
              selection, Keyboard-controlled modem options, Nonvolatile memory and on-screen
              displays for modem option parameters and four telephone numbers/command lines
              of up to 40 digits each

7.6 Command Buffer

40 characters

7.7 Data Modulation

Trellis Coded Modulation (TCM) at K56flex, 33,600, 31,200 28,800, 26,400, 24,000, 21,600,
19,200, 16,800, 14,400, 12,000 and 9600bps,

Quadrature Amplitude Modulation (QAM) at 9600 (non-trellis), 4800 and 2400
bps, PSK at 1200 bps, FSK at 300 bps.

7.8        Data Carrier Frequencies
              1800Hz V.32/V.32bis/V.32terbo/Enhanced V.34/K56flex.
              K56flex speeds plus 33.6K, 31.2K, 28.8K, 26.4K, 24K,
              21.6K, 19.2K, 16.8K, 14.4K, 12K, 9.6K, 7.2K,4.8K,2.4K,1.2k, and 0-300bps.

7.9 Carrier Frequencies 2400 & 1200bps (V.22bis/V.22 or Bell 212A Standard)

Transmit Originate: 1200 Hz

Transmit Answer: 2400 Hz

Receive Originate: 2400 Hz

Receive Answer: 1200 Hz

7.10 Carrier Frequencies, 300 bps (Bell Standard)

1270 Hz Mark, 1070 Hz Space for Transmit Originate

2225 Hz Mark, 2025 Hz Space for Receive Originate

2225 Hz Mark, 2025 Hz Space for Transmit Answer

1270 Hz Mark, 1070 Hz Space for Receive Answer

7.11 Carrier Frequencies V.21

980Hz Mark, 1180 Hz Space for Transmit Originate

1650 Hz Mark, 1850 Hz Space for Transmit Answer

1650 Hz Mark, 1850Hz Space for Receive Originate

980 Hz Mark, 1180 Hz Space for Receive Answer

7.12 Carrier Frequencies V.23

390 Hz Mark, 450 Hz Space for Transmit Originate

1300 Hz Mark, 2100 Hz Space for Transmit Answer

1300 Hz Mark, 2100 Hz Space for Receive Originate

390 Hz Mark, 450 Hz Space for Receive Answer

7.13 Transmit Level

-10dBm (dial-up),

7.14 Frequency Stability

+ 0.01%

7.15 Receiver Sensitivity

-43 dBm under worst case conditions

7.16 AGC Dynamic Range

43dB

7.17 Interface

EIA RS232C/ITU V.24

7.18 Connectors

One DB25 RS232C connector; two RJ11 for phone, and dial-up line; &
power jack.

7.19 Diagnostics

Power-on Self Test, Local Analog Loop, Local Digital Loop, Remote Digital Loop,

7.20 Indicators

LED’s for Transmit Data, Receive Data, Carrier Detect, Various Speed
Indicators, Off Hook, Terminal Ready, Error Correction, Fax, and Error.

7.21 Controls

Power On/Off.

7.22 Speaker

2 inch comne with software or command controlled volume.

7.23 Operating Temperature

0° to 50° C (32° to 120° F)

7.24 Power Requirements

240V/50Hz (International).

7.25 Dimensions

6.150" x 9.00" x 1.375"
15.6cm x 22.9 cm x 3.5cm

7.26 Weight
8oz. 224 grams.

7.27 Warranty

Ten years

8 MEC IDENTITY

The MEC identity is MT-5600ZDXE-MODEM

9 MODEM SET-UP

9.1 To set the modem connect an 'H' cable to the serial port and set the VDU to
9600, 8, 1, N.

9.2 Type in AT&V to display the active profile. Note this if necessary.

9.3 Type in AT&F to default the modem to factory settings.

9.4 Type in the following to setup the modem

AT &E5 &D0 &K5 Q1 E0 &S0 S0 =1 &W

NOTE These commands contain no spaces.

9.5 Key to commands

AT = ATTENTION CODE .

&E5 = Xon/Xoff FLOW CONTROL

&D0 = Modem ignores the true status of the DTR signal and responds as if it
is always on.

&K5 = Enable transparent Xon/Xoff Flow Control.

Q1 = Disable results codes.

E0 = Do not echo keyboard characters to the computer.

&S0 = Force DSR on at all times.

S0=1 = Enable auto answer.

&W = Store current modem settings in NVRAM as profile

&V = To display active profile

10 SERVICING

Servicing is by replacement.

11 DIAGNOSTICS

For full details see the Troubleshooting Section of the Manual.

                    AT&T0 Abort any test
                    AT&T1 Local Analogue Loopback Test / V.54 Loop3
                    AT&T3 Digital Loopback Test / V.54 Loop2(Local/Manual)
                            ATO0 To stay On-Line after test
                            ATH0 Terminate call
                    AT&T6 Digital Loopback Test / V.54 Loop2 (Remote/Automatic)

12 MODEM CONNECTIONS

SERIAL PORT CONNECTIONS identical to previous diagnostic modems.
Use standard EDP Cable Specifications.

25 pin D Type Male
1              FRAME GROUND
2              TD
3              RD
4              RTS
5              CTS
6              DSR
7              SG
8              CD
11            SSD
20            DTR

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