CHAPTER 1 GENERAL INFORMATION
– 10 –
ND-71503(E) Rev.5.0
9pch1001.fm
PUBLIC NETWORK/TIE LINE NETWORK CONNECTION
The system can be connected with a Public Network or Tie Line Network.
When the D
term
IP communicates with the D
term
IP/Legacy terminal in the destination office via Public Net-
work or Tie Line Network, the IP-PAD card and the trunk card are required to transmit and receive the
voice data.
The illustration below shows a system outline of Public Network/Tie Line Network Connection.
System Outline of Public Network/Tie Line Network Connection
D
term
IP
D
term
IP
*TRUNK
IP-PAD
IP-PAD
LAN
MP
MP
TDSW
TDSW
Voice Data
Control Signal
PSTN/GSTN/
TIE LINE
*TRUNK
LC/DLC
Legacy Terminal
2000 IPS
2000 IPS/
2400 IPX
Control Signal
LAN
Legacy Terminal
*TRUNK
For ISDN-PRI
: PRT
For ISDN-BRI
: BRT
For GSTN
: COT
For Tie Line (Digital) : CCT/DTI
For Tie Line (Analog) : LDT/ODT
IP-PAD: PN-32IPLA/
PN-32IPLA-A/
PN-8IPLA
SEPTEMBER/15/2004
PUBLIC NETWORK/TIE LINE NETWORK CONNECTION
CÔNG TY VIỄN THÔNG VIỆT PRO
Chuyên phân phối tổng đài NEC
http://vietpro.com.vn