Option Switch Settings
10
8
9
1 | 4 | |
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2 |
| 5 |
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|
| |
3 
6
7
Figure Notes:
1. | Backplane Connectors | 6. | 120 Ohm | |
2. | 24/32 Channel Selector | 7. | 75 Ohm (shown selected) | |
3. | 75/120 Ohm Selector | 8. | Faceplate | |
4. | 24 | Channel | 9. | Connector |
5. | 32 | Channel (shown selected) | 10. | TN464C/D |
Figure H-3. Selection of 75 Ohm and 32 Channel Settings on
TN464
TN464E/F Option Settings
The TN464 circuit pack interfaces between a 24 or 32 channel Central Office/Integrated Services Digital Network (CO/ISDN) or tie trunk and the Time Division Multiplex (TDM) bus.
Set switches E and F on the circuit pack to select bit rate and impedance match.
