8. Recommended Interface Circuit
DELTA GEPON ONU Module
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| 1uH | 6. VccT |
3.3V |
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10uF | 100nF |
| 100nF |
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| 1uH |
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BiasCNT |
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| 8. BiasCNT |
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| 9. TD(p) | Transmitter |
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Coupled |
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interface | 10. TD(n) |
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| 7. VeeT |
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Protocol IC |
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SerDes IC | 2. VccR |
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10uF | 100nF |
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Z0=50ohm | 5. RD(p) |
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100ohm | 100nF |
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Z0=50ohm | 4. RD(n) |
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| 100nF VccR | Receiver |
| RES |
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SD | 3. SD |
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| 1. VeeR |
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* RES is the internal 4.7K to 10K Ohms
Coupled interface
DC - Coupled interface |
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| AC - Coupled interface |
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3.3V |
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| 100nF |
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| Z0=50ohm |
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130ohm | 82ohm |
| Host | 100ohm | DELTA |
| Board | ONU | |||
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| Z0=50ohm |
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Z0=50ohm |
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| 100nF |
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Host |
| DELTA | 150ohm | 150ohm |
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Board |
| ONU |
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Z0=50ohm |
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130ohm | 82ohm |
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3.3V |
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| 6 |
| Revision: S2 |
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| 02/02/2007 |
DELTA ELECTRONICS, INC. |
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| www.deltaww.com | |