Lucent Technologies 555-233-119 TN464E/F Option Settings

DEFINITY ECS Release 8.2 Maintenance for R8.2csi 555-233-119 Issue 1
April 2000
Maintenance for csi systems
1-101TN464E/F Option Settings
1
TN464E/F Option Settings
The TN464E/F DS1/E1 Interface - T1/E1 circuit pac k interfaces between a 24- or
32-channel Central Office/ISDN or tie trunk and the TDM bus.
Set the switches on the circuit pac k to select bit rate and impedance matc h. See
Table 1-13 and Figure 1-29.
Figure 1-29. TN464E/F Option Settings
Table 1-13. 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
Figure Notes
1. Backplane Connec tors
2. 24/32 Channel Selector
3. 75/120 Ohm Selector
4. Faceplate
5. 32 Channel
6. 120 Ohm (shown selected )
7. 24 Channel (shown selected )
8. 75 Ohm
9. Connector
10. TN464E/F
3
8
4
9
5
10
1
6
2
7