Difference between revisions of "TouchLine Key Signaling"
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DAK (Direct Access Key) is the speed-dial buttons on the station. | DAK (Direct Access Key) is the speed-dial buttons on the station. | ||
| + | ===Master stations === | ||
'''Master station''' DAK keys use a combination of current signaling (M) and digits: | '''Master station''' DAK keys use a combination of current signaling (M) and digits: | ||
*DAK 1: M + digit 0 | *DAK 1: M + digit 0 | ||
| Line 54: | Line 55: | ||
*DAK 10: M + digit 9 | *DAK 10: M + digit 9 | ||
| − | When "Hot- | + | When "[[Hot-line Dialing|Hot-line]]" function is enabled, Off-Hook is mapped to DAK 7 and On-Hook to DAK 8. |
| − | |||
| + | ===CRM IV and Dual Display Stations=== | ||
'''CRM IV and Dual Display Stations''' also use a combination of current signaling and digits: | '''CRM IV and Dual Display Stations''' also use a combination of current signaling and digits: | ||
* D1-D10: M+0 - M+9 | * D1-D10: M+0 - M+9 | ||
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| + | ===Priscom Stations (7061/7063)=== | ||
'''Priscom Stations (7061/7063)''' use so called ''Two Tone DAK Signaling'' which is a combination of Extended Digit Signaling and Digit Signaling: | '''Priscom Stations (7061/7063)''' use so called ''Two Tone DAK Signaling'' which is a combination of Extended Digit Signaling and Digit Signaling: | ||
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*DAK D91-D100: Digit tone 16 + 0 to 16 + 9 | *DAK D91-D100: Digit tone 16 + 0 to 16 + 9 | ||
| + | ==== Optional DAK Acknowledge ==== | ||
| + | Priscom stations using Two Tone DAK Signaling can be configured with acknowledge on DAK keys: | ||
| + | * The AMC application will send an acknowledge message by the Display Text Protocol. | ||
| + | * The station will acknowledge this by sending tone 18. | ||
| + | |||
| + | === Optional IND Acknowledge === | ||
| + | Priscom stations using Two Tone DAK Signaling can be configured with acknowledge on IND messages sent to the station: | ||
| + | * The AMC application will send the IND message by the Display Text Protocol. | ||
| + | * The station will acknowledge this by sending tone 17. | ||
| + | If no acknowledge from the station within 2 second the IND message is resent once. | ||
| + | |||
| + | ===Substations=== | ||
'''Substations''' use current signaling only: | '''Substations''' use current signaling only: | ||
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* DAK 3 ID + LT (off-hook) | * DAK 3 ID + LT (off-hook) | ||
| − | + | [[Category: Analogue Station - Technical articles]] | |
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Latest revision as of 13:37, 20 November 2018
Contents
Signaling protocol
The analog station interface uses two types of signaling protocols, Current Signaling and Tone Signaling
Current Signaling
The a/b-wires are the loudspeaker wires, and the c/d-wires are the microphone and digit selection wires. Approximate current values are (the currents in a/b-wires for display station is shown in brackets):
a/b-loop:
- On-hook: 3mA (13 mA)
- Off-hook: 0 mA (10 mA)
- M-Key: 10 mA (20 mA)
- C-key: 20-25 mA (30-35 mA)
c/d-loop:
- ID (key press): 10 mA
- Open: < 1 mA
- Private: 3 mA
Digit Signaling
Station keyboard digits 0 - 9 use sinewave tones in the range 500Hz to 2300 Hz, at 200 Hz steps.
- Digit 0: 500 Hz
- Digit 1: 700 Hz
- Digit 2: 900 Hz
- Digit 3: 1100 Hz
- Digit 4: 1300 Hz
- Digit 5: 1500 Hz
- Digit 6: 1700 Hz
- Digit 7: 1900 Hz
- Digit 8: 2100 Hz
- Digit 9: 2300 Hz
Extended Digit Signaling
In addition to the keyboard digits 0 - 9 another set of 10 tones are used for DAK signaling for CRM IV, Dual Display and PrisCom stations.
These tones 10-19 are sinewave tones in the range 600Hz to 2400 Hz, at 200 Hz steps.
DAK Signaling
DAK (Direct Access Key) is the speed-dial buttons on the station.
Master stations
Master station DAK keys use a combination of current signaling (M) and digits:
- DAK 1: M + digit 0
- DAK 2: M + digit 1
- DAK 3: M + digit 2
- DAK 4: M + digit 3
- DAK 5: M + digit 4
- DAK 6: M + digit 5
- DAK 7: M + digit 6
- DAK 8: M + digit 7
- DAK 9: M + digit 8
- DAK 10: M + digit 9
When "Hot-line" function is enabled, Off-Hook is mapped to DAK 7 and On-Hook to DAK 8.
CRM IV and Dual Display Stations
CRM IV and Dual Display Stations also use a combination of current signaling and digits:
- D1-D10: M+0 - M+9
- D11-D20: digit 10-19
- D21-D30: M+10 - M+19
- D31-D40: C+0 - C+9
- D41-D50: C+10 - C+19
- D51-D60: (Prefix +) M+0 - M+9
- D61-D70: (Prefix +) digit 10-19
- D71-D80: (Prefix +) M+10 - M+19
- D81-D90: (Prefix +) C+0 - C+9
- D91-D100: (Prefix +) C+10 - C+19
Prefix = ID+C
Priscom Stations (7061/7063)
Priscom Stations (7061/7063) use so called Two Tone DAK Signaling which is a combination of Extended Digit Signaling and Digit Signaling:
- Key board digit 0-9: Digit Tone 0-9
- DAK D1-D15: Digit tone 10 + 0 to 10 + 14
- DAK D16-D30: Digit tone 11 + 0 to 11 + 14
- DAK D31-D45: Digit tone 12 + 0 to 12 + 14
- DAK D46-D60: Digit tone 13 + 0 to 13 + 14
- DAK D61-D75: Digit tone 14 + 0 to 14 + 14
- DAK D76-D90: Digit tone 15 + 0 to 15 + 14
- DAK D91-D100: Digit tone 16 + 0 to 16 + 9
Optional DAK Acknowledge
Priscom stations using Two Tone DAK Signaling can be configured with acknowledge on DAK keys:
- The AMC application will send an acknowledge message by the Display Text Protocol.
- The station will acknowledge this by sending tone 18.
Optional IND Acknowledge
Priscom stations using Two Tone DAK Signaling can be configured with acknowledge on IND messages sent to the station:
- The AMC application will send the IND message by the Display Text Protocol.
- The station will acknowledge this by sending tone 17.
If no acknowledge from the station within 2 second the IND message is resent once.
Substations
Substations use current signaling only:
- DAK 1: ID
- DAK 2: ID + M
- DAK 3 ID + LT (off-hook)