Hitachi GR2000 UTP Cable for Primary I.431 or I.431-a, Connection to Device without Terminator

DSU

Modular rosette	Modular rosette
without terminator	with terminator

Flat metal cable (4-wire)

Device without terminator

Note: This connection requires costs for extra connection work and modular rosette in addition to those for ordinary cabling and DSU setup. For details of the connection work, consult the carrier (e.g., NTT).

Figure 3-89 Connection to Device without Terminator

3.10.2.2UTP Cable for Primary (I.431 or I.431-a)

For connection to the Primary (I.431 or I.431-a) interface, a UTP Category 3, 4, or 5 cable shown in Figure 3-90 is required. Figure 3-91 shows an example of indirect connection between the router and the DSU via a modular rosette on this interface.

For indirect connection to DSU via modular rosette

UTP category 3/4/5, 4-core, twisted-wire, straight