Microsound MF 400 Instruction Manual Download

Page: 9 / 9

mf400man.doc

6.4. MF 400 RECOMMENDED SERVICE KIT

UM-3750

- Handset decoder

P8751

- CPU

VN10KN

- Tx driver

Keypad

- Door station

Zener

- Lightning protection zener diodes

7. Wiring

Basic layout (one door station)

8. Guarantee

The MF400 is guaranteed by the manufacture for a period of six months from the date of delivery
against faulty components and faulty workmanship (ex factory).

Manufactured by:

Microsound

Systems

P.O. Box 38220

Booysens
2016

Phone 011 493-2424

Fax 011 493-0347

Distributed

by:

Installed

by:

MF400

MF400HS

MF400PSU

220VAC

+15vdc

Gnd

Summary of Contents for MF 400

Page 1: ...Microsound Systems MF 400 Apartment Intercom System Instruction Manual...

Page 2: ...Power Supply Connections 5 4 Programming 5 4 1 Handset Programming 5 4 2 Door station Programming 5 4 3 Audio level adjustments 6 4 4 Defaults 6 5 Technical Information 6 5 1 Cable requirements 6 5 2...

Page 3: ...sy led will go off 7 At any time during the above operation the button can be pressed and the system will reset HI will appear on the display 8 If the called handset is not picked up and the call is n...

Page 4: ...r 9 There are four links A B C D on the door station s PCB If there is more than one door station the links on the subsequent door stations must be cut out Only one door station in a system must have...

Page 5: ...er for one area 4 2 Door station Programming Step 1 Press 1 and 4 and switch the power on The busy led will flash and the door access code will be displayed Default 9123 Enter the new door access code...

Page 6: ...factory defaults Switch the power off press 3 and 6 simultaneously and switch the power on The Busy led will flash a few times and then go off Release the buttons HI will be displayed and the system...

Page 7: ...lled but the door station does not stop dialling when the handset is lifted Check if the RX line is connected to the door station Check if the RX line is not shorted to any other lines or ground Check...

Page 8: ...mf400man doc 8 Check ULN2803 8 All out door cable must be screened and earthed...

Page 9: ...t one door station 8 Guarantee The MF400 is guaranteed by the manufacture for a period of six months from the date of delivery against faulty components and faulty workmanship ex factory Manufactured...

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