Filter
Top Products
DEFINITY Enterprise Communications Server Release 6
Installation and Test for Compact Modular Cabinets
555-230-128
Issue 3
May 1998
Installation Completion and Cable Pinouts
Page 2-7TN464E/F Option Settings
2
TN464E/F Option Settings
The TN464E/F DS1/E1 Interface - T1/E1 circuit pack interfaces between a 24- or
32-channel Central Office/ISDN or tie trunk and the TDM bus.
Set the switches on the circuit pack to select bit rate and impedance match. See
Tab le 2 - 5
and Figure 2-3.
Table 2-5. Option Switch Settings on TN464E/F
120 Ohms Twisted pair
75 Ohms Coaxial requiring 888B adapter
32 Channel 2.048 Mbps
24 Channel 1.544 Mbps