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NEAX2000 IVS
2
ISDN System Manual
Page 26 ND-70919 (E), Issue 1.0
CHAPTER 1 GENERAL INFORMATION
System Conditions
Line Distance Between PBX and NT1/ISDN Terminal
Figure 1-12 shows the line distance between PBX and NT1 and the line distance between PBX
and ISDN Terminal.
Figure 1-12 Line Distance Between PBX and NT1/ISDN Terminal
NOTE 1: The line distance marked by * shows the value when the 0.5
φ
twisted-pair cable
is used.
NOTE 2: The line distance marked by ** shows the value when the 0.65
φ
twisted-pair cable
is used.
ILC
(A)
ILC
(B)
ILC
(C)
No. 1 – No. 8
No. 1 – No. 8
Max. 400 m
Max. 600 m
Max. 150 m
PBX
BRT NT1
TO ISDN
Max. 1000 m
: ISDN Terminal
NT1 : Network Termination One
(A) : Point to Point Connection
(B) : Point to Multipoints Connection
(Extended Passive Bus)
(C) : Point to Multipoints Connection (Short
Distance Passive Bus)
MDF
Max. 50 m
DTI/PRT NT1
TO ISDN
Max. 200 m
(1965 ft.*)
(164 ft.*)
(1310 ft.*)
(491 ft.*)
(655 ft.**)
(3280 ft.*)