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Formatted URI Test (Loopback ) connector instructions
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= URI Interface =
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The following page contains information about various URIs
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= URI / URI X =
 
The URI / URI X is manufactured and sold by [http://dmkeng.com/URI_Order_Page.htm DMK Engineering].  
 
The URI / URI X is manufactured and sold by [http://dmkeng.com/URI_Order_Page.htm DMK Engineering].  
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[[Category:URI]]
 
[[Category:URI]]
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== Loopback ==
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= Test Loopback Connector =
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The following information is used to create a URI Test (Loopback) interface.
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URI Test (Loopback) connector
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== Parts==
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* 25 pin male D-shell connector
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* ATMEL AT93C46E-PU (Digikey Part Number AT93C46E-PU-ND) or equivalent for the EEPROM.
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25 pin male D-shell connector
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{| class="wikitable" style="text-align: center; width: 85%"
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|+ Connections for URI Test Loopback Connector
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! style="width: 300px;" | Connection
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! style="width: 500px;" | Notes (as applicable)
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|-
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| Pin 1 -> Pin 7
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|
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|-
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| Pin 2 -> Pin 3
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|
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|-
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| Pin 4 -> Pin 8
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|
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|-
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| Pin 14 -> EEPROM Pin 8
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|
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|-
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| Pin 15 -> EEPROM Pin 1
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|
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|-
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| Pin 16 -> EEPROM Pin 2
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|
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|-
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| Pin 17 -> EEPROM Pin 3
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|
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|-
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| Pin 18 -> EEPROM Pin 4
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|
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|-
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| Pin 19 -> EEPROM Pin 5
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|
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|}
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Pin 1 to Pin 7
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* '''Add the following resistors:'''
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{| class="wikitable" style="text-align: center; width: 85%"
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! style="width: 300px;" | Connection
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! style="width: 500px;" | Notes (as applicable)
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|-
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| 10K Resistor between Pins 21 & 22
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|
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|-
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| 10K Resistor between Pins 21 & 23
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|
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|}
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Pin 2 to Pin 3
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* ''For URIx P/N 9095 that uses the CM119A also include the following:''
 
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{| class="wikitable" style="text-align: center; width: 85%"
Pin 4 to Pin 8
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! style="width: 300px;" | Connection
 
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! style="width: 500px;" | Notes (as applicable)
Pin 11 to Pin 24
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|-
 
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| Pin 5 -> Pin 10
Pin 14 to EEProm Pin 8
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| '''''Do *NOT* include for the older URI P/N 9080 that uses the CM108'''''
 
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|-
Pin 15 to EEProm Pin 1
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| Pin 6 -> Pin 11
 
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| '''''Do *NOT* include for the older URI P/N 9080 that uses the CM108'''''
Pin 16 to EEProm Pin 2
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|}
 
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Pin 17 to EEProm Pin 3
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Pin 18 to EEProm Pin 4
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Pin 19 to EEprom Pin 5
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10K Resistor between Pins 21 & 22
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10K Resistor between Pins 21 & 23
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For URIx P/N 9095 that uses the CM119A also include the following:
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Pin 5 to Pin 10
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Pin 6 to Pin 11
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Do *NOT* include these connections for the older URI P/N 9080 that uses the CM108.
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Remove EEprom pins 6 and 7 (not used).
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Use an ATMEL AT93C46E-PU (Digikey Part Number AT93C46E-PU-ND)
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or equiv. for the EEProm.
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To accomplish this, pins 1 thru 4 of the the 8 pin DIP EEProm are soldered
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directly to pins 15 thru 18 (1 to 15, 2 to 16, 3 to 17, 4 to 18) of the
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25 pin D-shell connector. Pin 14 is wired to pin 8 (Vcc) and pin 19 is
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wired to pin 5 (Gnd) of the EEProm. Pins 6 and 7 of the EEProm are not
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== Assembly ==
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used and may be removed.
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# Pins 1 thru 4 of the the 8 pin DIP EEPROM are soldered directly to pins 15 thru 18 (1 to 15, 2 to 16, 3 to 17, 4 to 18) of the 25 pin D-shell connector.
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# Pin 14 is wired to pin 8 (Vcc) and pin 19 is wired to pin 5 (Gnd) of the EEPROM.
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# Pins 6 and 7 of the EEPROM are not used and may be removed.

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