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C
ABLING INTERFACES
CHAPTER 4 INSTALLATION
Basic access in the private leased-line network
Figure 4.21: BRI-S basic rate interface external, networked with copper line
Bus configuration
BRI-S ext. is subject to the conditions that apply to terminal interface BRI-S (see BRI-S terminal inter-
faces).
Figure 4.22: Basic rate interface BRI-T, networked with leased-line or dial-up connection
Table 4.9:Connection of BRI-S basic rate interface external, networked with copper line
PINX 1 signal Basic access
BRI-S ext.
Cable cores PINX 2 signal, Basic rate
interface BRI-T
c c
f f
e e
d d
Table 4.10:Cabling for basic rate interface BRI-T, networked with leased-line or dial-up connection (Sheet 1 of 2)
PINX1
signal,
basic rate
interface
BRI-T
Cable cores NT1 Network NT1 Cable cores PINX 2
signal,
basic rate
interface
BRI-T
c c c c
f f f f