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Communication Manager Maintenance-Object Repair Procedures
2386 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
Two option jumpers located on the side of the TN464C/D circuit pack must be installed correctly.
The figures on the following page show how to configure the circuit pack for 24- or 32-channel
DS1, and for 75*W (coaxial) or 120*W trunk connections. The channel selection must match the
parameters administered on the corresponding DS1 Circuit Pack screen. (US applications use
24 Channels.)
Figure 146: TN464C/D DS1 Option Jumpers
Figure 147: TN464C/D DS1 Option Jumpers (cont’d)
The option switch located on the component side of the TN464E/F circuit pack must be set
correctly. Figure 148: TN464E/F DS1 Option switches
on page 2387 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 screen. (US applications use
24 Channels.)
Back
p
lane Connectors
24/32 Channel Selector
75/120 Ohm Selector
Top
Bottom
Face
p
late
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