DEFINITY Enterprise Communications Server Release 6

Issue 3

Installation and Test for Compact Modular Cabinets 555-230-128

May 1998

 

 

2Installation Completion and Cable Pinouts

TN464E/F Option Settings

Page 2-7

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 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

 

 

 

 

 

 

 

 

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Lucent Technologies 555-230-128 manual TN464E/F Option Settings, Option Switch Settings on TN464E/F