FECO COMMS # 34

	FECO:	COMMS # 34
	MODIFICATION No:	N/A
	PRODUCT:	DOWTY MAYZE 96 MODEM
	SUB-ASSEMBLY	N/A
	ESTIMATED MAN HOURS	N/A
	CLASS OF CHANGE:	INFORMATIONAL
	REASON FOR CHANGE:	TO INTRODUCE THE DOWTY MAYZE 96 MODEM

1. The dowty mayze 96 modem is used as a 2 wire leased line modem.

2. Specification

2.1 the modem is black in colour, 192 x 50 x 276mm in size.

2.2 the front panel has the following indicators

        Run

        Txd

        Rxd

        Rts

        Cts

        Dcd

        Dsr

        Dtr

        Oh

        (tech serv ref: 22/1/6)

2.3 the front panel has the following push switches.

        Data

        Enter

        Ans

        4

        Test

        2

        Al

        1

        Rdl

        Load

        Fb

        Dial

2.4 modulation v32 9600 bps

        V22bis 2400bps

        V22 1200bps

        V23 1200/75bps

        V21 300bps

        Data speeds asynchronous up to 38400

        Synchronous up to 9600

        Error correction ccitt v42, mnp class 4

        Data compression ccitt v42bis, mnp class 5

        Auto compression ccitt v25 compliant

        Extended at command set

2.5 power requirements 230vac 50hz 8va

3. Async leased line configuration

3.1 use the handbook to load factory configuration 10

3.2 press load

        2

        Dial

        Enter

        Release buttons

3.3. On the modem at the peripheral end, use a vdu and the control port, all set to 9600 7 even 1.

        Enter at

        At"ao enables auto answer

        At*c to check settings correct

        At&w&w1&w2&w3 - save settings

        Power off, then back on again.

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