Maintenance Object Repair Procedures
555-233-123
10-1842 Issue 4 May 2002
Figure 10-101. TN464C/D DS1 Option Jumpers
Figure 10-102. TN464C/D DS1 Option Jumpers (Continued)
The option switch located on the component side of the TN464E/F circuit pack
must be set correctly. Figure 10-103 on page 10-1843 shows how to configure the
circuit pack for 24-channel or 32-channel DS1. The channel selection must match
the parameters administered on the corresponding DS1 Circuit Pack Form. (US
applications use 24 Channels.)
Backplane Connectors
24/32 Channel Selector
75/120 Ohm Selector
Top
Bottom
Faceplate
TN464C/D
Insert the jumpers into the blocks
so as to join the center row of
pins and the row designating the
desired options.
120 OHM
32 CHNL
24 CHNL
75 OHM
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