Cabling Examples
The DSU/CSU is supplied with an AC power module. You must provide the DTE and network cables.
Optional cables that you can order from the company are described in Pin Assignments in the Operator’s Guide.
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The 120Ω | /75Ω switch selects either the | ||||||||||||
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be set to “open” when using the |
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COM PORT | NETWORK |
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| NETWORK |
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| FRONT | ||
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AUX | COM |
| TX | NETWORK | RX |
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| PANEL | |||
POWER PORT | PORT |
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| RX SHIELD |
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| DTE |
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| 120ý | OPEN |
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| 120ý | 75ý | 75ý | EARTH | 75ý |
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CAUTION: AUX PORT OR COM PORT MUST NOT BE |
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CONNECTED TO PSTN OR E1 NETWORK |
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CLOCK IN |
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| PORT 2 |
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| DSU/CSU |
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| DSU/CSU | ||||
| SERIAL |
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| PORT |
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| NETWORK |
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TO AC |
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POWER |
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MODULE |
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| COM PORT |
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| 3100 SERIES |
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| FRONT PANEL |
| AUX | COM | DTE |
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| RX SHIELD |
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| EMULATION |
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| POWER PORT | PORT |
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| RX | ||
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| 120ý | OPEN |
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| CONNECTED TO PSTN OR E1 NETWORK | PORT 3 |
| PORT 4 | EARTH |
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| 120ý | 75ý | 75ý | 75ý | |
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| CAUTION: AUX PORT OR COM PORT MUST NOT BE |
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| CLOCK IN |
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| PORT 2 |
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| TO DC |
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| DSU/CSU | ||||
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| POWER |
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| (OPTIONAL) |
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| SNMP | OR |
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| MANAGER |
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3