NEC UNIVERGE SV9100 Manual page 136

136
Easy Edit
– Blade Configuration/ISDN Port Setup/PRT Port Setup
ISDN Line Mode - Set to one of the three available NW mode as follows:
3 - NW Mode (Leased Line)
4 - NW Mode (Interconnected Line) (generally used if the connected systems are directly connected via
a fixed cable)
5 - NW Mode (Interconnected Line), (Fixed Layer 1 Forced NT Mode)
NW Mode (Leased Line)
The ISDN interface is Slave mode and must receive a clock signal from the network.
System connection diagram.
System 1
NW Leased
--- Netw ork Termination Unit ---
Line
Master side
Clock signal diagram.
System
1 --- NTU (Clock signal generator) ---
Slave
NW Mode (Interconnected Line)
The ISDN interface is Slave mode at one end and Master mode at the other.
The maximum length of the interconnected cable should not exceed 200 metres for PRI using CAT5
cable.
System connection diagram.
System 1
NW Interconnected Line
Master side
Clock signal diagram.
System 1
Master
(Clock signal generator)
NW Mode (Interconnected Line, Layer 1=NT)
The ISDN interface is Slave mode at one end and Master mode at the other.
The Layer 1 of the ISDN interface is fixed at NT (Network Termination - Master mode).
System connection diagram.
System 1
NW Interconnected Line
Master side
Clock signal diagram.
System 1
Clock signal
generator
NW Mode Master/Slave System - set one side of the PRI link to Master and the other to Slave
NW Mode Networking System - The networking system ID number is used to select the access route for
dialled digits. You can choose any number from 0 to 50. (0 equals no operation)
------ Interconnected Line
------
---Gatew ay--- Interconnected Line
---Gatew ay (Slave)--- ---Interconnected Line--- ---Gatew ay (Slave)---
BRI Leased Line --- Netw ork Termination Unit ---
BRI Leased Line --- NTU (Clock signal generator) ---
------
Interconnected Line
---Gatew ay---
System 2
NW Leased
Line
Slave side
System
2
Slave
System 2
NW Interconnected Line
Slave side
System 2
------
Slave
System 2
NW Interconnected Line
Slave side
System 2
Clock signal
generator