Lucent Technologies 555-230-128 User Manual
DEFINITY Enterprise Communications Server Release 6
Installation and Test for Compact Modular Cabinets
Installation and Test for Compact Modular Cabinets
555-230-128
Issue 3
May 1998
Installation Completion and Cable Pinouts
Page 2-7
TN464E/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.
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
Table 2-5
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