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UDS1-BD (UDS1 Interface Circuit Pack)
Issue 1 June 2005 2377
Upgrading to TN2242
Figure 144 shows the hardware connections for public network access in Japan. The upgrade
procedure requires removing the JRC (Japan Radio Corporation) external converter.
Figure 144: Japanese TTC public network connections
Figure 145: TN2242 Japan trunk TTC private network connections on page 2378 shows the
hardware connections for private network access using the TN2242 circuit pack.
Figure notes:
1.
Communications System
3.
JRC (Japan Radio Corporation)
external converter
2.
UDS1-BD DS1-CONV circuit pack
(24-trunk digital tie trunk)
4.
TDM facilities
1 1
2 2
3
4 4
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