D-Link DMI-128ESU 사용자 설명서
D-LINK ISDN TA DMI-128ESU+
51
On-Hook signal recognition
time
time
♦ TA detects a Flash-Hook signal from TEL-A/B
♦ If Flash-Hook time >=2.2 sec then it is a correct
On-Hook signal
Ideal mode
♦ On-hook, disconnected and no any event
occurred to the POTS interface
Talk mode
♦ Off-Hook and talking with only one other party
10.2 Making an Outgoing Call
Case No Representation
0
When A is in the idle mode
1. A off-hook
2. A hears TA’s DT
3. A dials the telephone number of C
4. TA2 rings C (if C is in idle mode, TA2 sends ICR to C)
5. A hears Network’s RBT
6. C off-hook (TA2 stops ICR)
7. A talks to C (A is in talk mode with C)
2. A hears TA’s DT
3. A dials the telephone number of C
4. TA2 rings C (if C is in idle mode, TA2 sends ICR to C)
5. A hears Network’s RBT
6. C off-hook (TA2 stops ICR)
7. A talks to C (A is in talk mode with C)
1
When A at Case 0, step 3
1. If C is busy
2. A hears TA’s BT
3. A on hook
4. A returns to idle mode
2. A hears TA’s BT
3. A on hook
4. A returns to idle mode
1.1
When A at Case 1, step 2
1. A flash
2. A go to Case 0, step 2
2. A go to Case 0, step 2
2
When A at Case 0, step 2/3/4/5/6
1. A on-hook
2. A is disconnected
3. A returns to the idle mode
2. A is disconnected
3. A returns to the idle mode
3
When A at Case 0, step 4
1. A flash
2. TA2 stops to ring C
3. A go to Case 0, step 2
2. TA2 stops to ring C
3. A go to Case 0, step 2
4
When A at Case 0, step 6/7
1. A flash
2. C is disconnect
3. C hears Other TA’s BT
4. A go to Case 0, step 2
2. C is disconnect
3. C hears Other TA’s BT
4. A go to Case 0, step 2
5
When A at Case 0, step 7 (talk mode)
1. A on-hook
2. C hears Other TA’s BT
3. A is disconnected
4. A returns to idle mode
2. C hears Other TA’s BT
3. A is disconnected
4. A returns to idle mode
6
When A at Case 0, step 7 (talk mode)
1. C on-hook
2. C is disconnected
3. A go to Case 1, step 2
2. C is disconnected
3. A go to Case 1, step 2
To hear the PTT telephone line dial tone on lifting the telephone A or B OFF-HOOK, use the following
command in HyperTerminal. i.e. AT%A5=0.
To hear the ISDN TA’s internal dial tone on lifting the telephone A or B OFF-HOOK, use the following
command in HyperTerminal. i. e. AT%A5=1.