3.1.2 Manual call

Manual calls are made with a telephone (designated at installation) connected to the com- munication unit. The HSD terminal must support manual calls.

To make a manual call, turn off DIP switch SW1, and then dial subscriber number as follows:

* 5 5 * or

* 5 6 * a a a 0 0 b b x x x x x x x x x #

Subscriber’s Number

Country Code

Automatic Dialing

Land Earth Station (LES)

Prefix for HSD Call

55:56 Kbps

56:64 Kpbs

Upon answer by the called system the HSD port is enabled and data transfer can take place. After the number is dialed listen for progress tone to confirm call. See the table below. When you hear the “HSD call successful” tone hang up the handset.

Table 2 Progress tones

Tone Name

Frequency

ON, OFF

Interval

 

 

 

 

 

HSD call successful

600 Hz

1 sec, 0.5 sec

 

 

 

HSD call failure

425 Hz

0.5 sec, 0.5 sec

 

 

 

Manual HSD call

 

 

cleared/called no.

425 Hz

1 sec, 0.5 sec

accepted

 

 

 

 

 

Manual HSD call

 

 

cleared/called no.

425 Hz

0.5 sec, 0.5 sec

not accepted

 

 

 

 

 

Clearing manual call

Dial * 5 9 #.

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Furuno IB-681 manual Manual call, Tone Name Frequency, Interval