Paradyne 317x E1 manual 13. Cabling Examples, Network

Models: 317x E1

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Cabling Examples

ACCULINK 317x E1 DSU/CSU

Cabling Examples

The E1 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 Appendix D, Pin Assignments.

Figure 2-13 illustrates some cabling examples.

CAUTION

Disconnect the power cable before connecting or removing any data cables at the rear of the unit.

NOTE

The 120Ω /75Ω switch selects either the 120 ohm balanced network interface or the 75 ohm unbalanced network interface. The RX SHIELD switch selects either an ªopenº or ªearthº shield connection for the 75 ohm RX interface. (This switch must be set to ªopenº when using the 120 ohm interface.)

COM PORT

NETWORK

 

DSU/CSU

FRONT

NETWORK

PANEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUX COM

POWER PORT PORT

DTE

CAUTION: AUX PORT OR COM PORT MUST NOT BE

CONNECTED TO PSTN OR E1 NETWORK

CLOCK IN

PORT 1

-F1-550

SERIAL

3100

PORT

 

 

TX

NETWORK

RX

 

 

RX SHIELD

 

 

 

 

 

 

120Ω

OPEN

 

120Ω

75Ω

75Ω

EARTH

75Ω

 

 

PORT 2

 

 

DSU/CSU

NETWORK

 

 

 

 

 

 

 

 

COM PORT

 

NETWORK

 

AUX

COM

 

TX

NETWORK

 

RX

 

POWER PORT

PORT

 

RX SHIELD

 

 

 

DTE

 

 

 

 

 

 

 

120Ω

OPEN

 

 

 

 

120Ω

75Ω

75Ω

EARTH

75Ω

 

CAUTION: AUX PORT OR COM PORT MUST NOT BE

 

 

DSU/CSU

PORT 3

 

PORT 4

 

 

CONNECTED TO PSTN OR E1 NETWORK

 

 

 

 

 

 

 

 

 

 

TO AC

POWER

MODULE

NOTE:

3100 SERIES FRONT PANEL EMULATION SOFTWARE, 3100-C1-010

CLOCK IN

PORT 1

PORT 2

TO DC

POWER 3100-F1-520 (OPTIONAL)

SNMP Figure 2-13. Cabling Examples OR

MANAGER

495-14673-01

Figure 2-13. Cabling Examples

2-8

December 1996

3170-A2-GB20-20

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Paradyne 317x E1 manual 13. Cabling Examples, Network