NEC NEAX 2000 - Page 229

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A2195-10
DIRECT DIGITAL INTERFACE (DDI)
PROGRAMMING
24-DTI Assignment
DESCRIPTION DATA
Assign trunk route data to each DTI route. •
(1)
(2)
Y=00 Kind of Trunk Route
00-63: Trunk Route No.
04: Tie Line trunk
•
(1)
(2)
Y=01 Dialing Signal Type
00-63: Trunk Route No.
7 : DP/DTMF (Incoming)
DTMF (Outgoing)
•
(1)
(2)
Y=04
Answer signal from distant office
00-63: Trunk Route No.
2: Answer signal arrives
•
(1)
(2)
Y=05
Release Signal from distant office
00-63: Trunk Route No.
1 : Release signal arrives
•
(1)
(2)
Y=09 Incoming Connection Signaling
00-63: Trunk Route No.
03: Wink Start
04: Delay Dial
05: Immediate Start
06: 2nd DT/Timing Start
CM35 Y=19 DTI PAD
[For Other Countries]
•
(1)
(2)
•
(1)
(2)
Y=19 DTI Pad
00-63: Trunk Route No.
0-3 : Programmable PAD (See CM42)
4-7 : Fixed PAD (See left table)
Y=20 Sender start condition
00-63: Trunk Route No.
00 : Wink Start
01 : Delay Dial
02 : Ground Start
15 : Timing Start
CM35
B
T/R : Transmitter PAD/Receiver PAD
+ : Gain
– : Loss
CONNECTION
PATTERNS
PAD DATA OF DTI [dB]
DATA
=4
(T/R)
DATA
=5
(T/R)
DATA
=6
(T/R)
DATA
=7
(T/R)
Station-DTI –3/–8 –3/–3 –3/–3 –3/–8
Tone-DTI 0/0 0/0 0/0 0/0
COT/DID/LDT/ODT
(2W E&M)-DTI
0/0 0/0 0/0 0/0
ODT (4W E&M)-
DTI
+3/–3 0/0 0/0 +3/–3
DTI-DTI 0/–6 0/0 0/–6 0/0
C