Tn464E/F Option Settings - Lucent Technologies definity Installation Manual

DEFINITY Enterprise Communications Server Release 6
Installation and Test for Compact Modular Cabinets 555-230-128
2 Installation Completion and Cable Pinouts

TN464E/F Option Settings

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
Table 2-5 and
Table 2-5. Option Switch Settings on TN464E/F
120 Ohms
75 Ohms
32 Channel
24 Channel
Figure 2-3.
Twisted pair
Coaxial requiring 888B adapter
2.048 Mbps
1.544 Mbps
Issue 3
May 1998
Page 2-7