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 #.
8
