Hitachi GR2000 User Manual
Page 192
Interface
Connection
Approx.
Width (mm)
Length (m)
Q’ty/
NIF
Cable Type
From
To
Min.
Max.
Basic (I.430,
I.430-a)
Router
Modular
rosette
6
–
16
1–8
UTP
Primary (I.431,
I.431-a)
Router
Modular
rosette/
DSU
6
–
16
1–4
UTP
Primary (T1/E1)
Router
DSU
6
–
1800
1–4
UTP
Secondary
(G.703)
Router
DSU
6
–
16
2
Metal (coaxial)
Tertiary (T3/E3)
Router
DSU
6
–
137
2 or 4
Metal (coaxial)
OC-3c/STM-1
(POS) MMF
Router
Device/
Box
6 (long),
4 (short)
0.5
2k
1
Multimode optical fiber
OC-3c/STM-1
(POS) SMF
Router
Device/
DSU
8 (long),
5 (short)
0.5
15k
1
Single-mode optical fiber
OC-12c/STM-4
(POS)
Router
Device/
DSU
8 (long),
5 (short)
0.5
15k
1
Single-mode optical fiber
OC-48c/STM-16
Router
Device
–
0.5
2k
1
Single-mode optical fiber