Appendix D
Pinouts
Figure D-1 illustrates the EIA-232 to DB-25 adapter connector. Figures D-2 through D-4 show the interfaces for the pinouts identified in Tables D-A through D-F.
1
2
3
4
5
6
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7
2 | DB Style |
Connector
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PIN 1 PIN 8 | For U Interface: |
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| Pin 4 | Ring |
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| Pin 5 | Tip |
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| For ST Interface: |
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| ISDN | Pin 3,6 | Transmit pair |
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| Pin 4,5 | Receive pair |
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Figure D-2
RJ-45 ISDN Line Interface
Table D-A
Pinouts for Chain In and Chain Out Ports
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| Chain | In Port |
| Chain | Out Port |
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| Pin 1 |
| Ground | Pin 1 |
| Ground |
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| Pin 3 |
| Rx Data | Pin 3 |
| Chain Rx Data |
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| Pin 5 |
| Tx Data | Pin 5 |
| Chain Tx Data |
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ISU 512 User Manual | 89 |
