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CHAPTER 1 ND-71548 (E)
Page 2
Issue 2
INTRODUCTION
The figure below shows an example of the system configuration of NEAX2400 IPX.
PHA : Handles control signals sent to/from an analog terminal connected to Analog Media Con-
verter.
PHD : Handles control signals sent to/from IP terminals such as D
term
IP INASET and D
term
SP20.
PHC : Sends/receives CCIS control signal from/to IP network.
IP PAD : Provides interface function between terminals/devices on LAN and conventional network
such as PSTN, ISDN, and private network.
Figure 1-2 System Configuration (Example)
SYS
T
EM SELECT
SYS
T
EM S
E
LEC
T
0
SYS
TE
M S
E
L
ECT
SYS
TE
M
SELECT
1
1
3
SLOT N
O
.
NO.
SYS
TE
M S
E
LE
CT
SYS
T
EM S
E
LE
CT
0
SYSTE
M
SELEC
T
SYSTEM SELECT
1
1
3
6
NEC
MGC
IP Enabled D
term
D
term
Series E/D
term
75
Analog Terminals
Analog Terminal
PC
Analog
Terminal
Analog MC
D
term
SP20
PSTN/
Private Network
concentrator
VDSL
adapter
COT/
TLT
IPTRK
LC with
splitter
MGC: Media Gateway Controller
MC: Media Converter
ELC: Electric Line Circuit
LC: Line Circuit
PHA: Protocol Handler for Analog MC
PHD: Protocol Handler for IP Enabled D
term
PHC: Protocol Handler for CCIS
Home
Ho
me
Enter
8
9
0
#
7
5
6
4
2
3
1
*
D
term
IP INASET
PHC
VDSL CONCENTRATOR
VC500T
MC-2A
PWR
ON
LINE
LINK
100M
-OPERATION-
Tx/Rx
01
PHD
PHA
LC
ELC
IP PAD
IP Network
controlled by PHD controlled by PHA
CCIS No.7
NEAX2400 IPX
0
7
9
8
6
5
2
4
3
1
#
M
e
s
s
a
g
e
D
ire
c
to
ry
S
pe
a
k
e
r
An
s
we
r
Redial
Conf
Tr
an
s
f
e
r
Mi
c
Fea
t
ur
e
S
p
eaker
Recal
l
t
e
rm
D
I
P
NE
C
D
term
Series i / D IP
term
NEC
PHC
07/31/02