NEC SV8500, Руководство пользователя

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VOL.3-330
CHAPTER 2 TERMINAL-RELATED DEVICES
8.5.5 SN4044 DAPK-A (Digital DAP)
General Function
This circuit card provides an interface function between DCS and Dterm Max. 30 Dterms can be connected to
a single DAP card.
Location of SN4044 DAPK-A (DAP) within the DCS System
The table below shows the specification of SN4044 DAPK-A card.
Specification of SN4044 DAPK-A
ITEM SPECIFICATIONS
DCS Interface Transmission Code AMI (HDB3)
Transmission Speed 2.048 Mbps
Number of voice Channels 30CH (64Kbps
×
30CH)
Number of Common Channels 1CH (64Kbps
×
1CH)
Multiplexing form Time Division Octet Multiplexing
Input/Output Impedance 120
Ω
Terminal Inter-
face Number of Circuit 30 Circuits
Connectable Terminal Dterm Series E (Dterm 75)
Distance between the DAP and Dterm Max.200 meters (0.65
φ
cable)
Terminal Connector Champ Connector
Power Source -48V (mA)
NE
C
Feature Fe atu
re
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
4
5
6
GH I
JKL
M
NO
7
8
9
PQ RS
TUV
WXYZ 0
# #
OPER
Help
M IC M IC
1
2
3
ABC
DEF
...
...
...
...
...
N
E C
Feature Fe atu
re
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
4
5
6
GHI
JKL
MN
O
7
8
9
PQR S
TU V
WXYZ 0
# #
OPER
Help
MIC M IC
1
2
3
ABC
DEF
...
...
...
...
...
NEC
Fe ature Fe atu re
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
4
5
6
GHI
JKL
MNO
7
8
9
PQ RS
TUV
WX YZ 0
# #
OPE
R
Hel p
MIC M IC
1
2
3
ABC
DEF
...
...
...
...
...
PBX
DAP0
DAP1
DAP2
DAP3
DAP0
DAP1
DAP2
DAP3
OPTMUX ROPTMUX
DARD-0
DARD-1
Optical Fiber Cable
(SMF/MMF)
DAI: PA-DAIG-A
PA-CC109 (SMF)
PA-CC110 (MMF) PA-CC111 (SMF)
PA-CC112 (MMF)
(SN4044 DAPK-A)
Max. 30
D s
Digital DAP
DAI 0
DAI 1
DAI 2
DAI 3
DAI 4
DAI 5
DAI 6
DAI 7
52M SDH
2M AMI
term