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→Test Loopback Connector
The following page contains information about various URIs
= 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].
|-
|-
| 4
| 4
| GPIO3
| GPIO4
|
|
|-
|-
|-
|-
| 11
| 11
| GPIO9
| GPIO8
|
|
|-
|-
*[[Media:URIx Schematic.pdf|URI X Schematic]]
*[[Media:URIx Schematic.pdf|URI X Schematic]]
[[Category:URI]]
[[Category:URI]]
= Test Loopback Connector =
The following information is used to create a URI Test (Loopback) connector.
== Parts==
* 25 pin male D-shell connector
* ATMEL AT93C46E-PU (Digikey Part Number AT93C46E-PU-ND) or equivalent for the EEPROM.
{| class="wikitable" style="text-align: center; width: 85%"
|+ Connections for URI Test Loopback Connector
! style="width: 300px;" | Connection
! style="width: 500px;" | Notes (as applicable)
|-
| Pin 1 -> Pin 7
|
|-
| Pin 2 -> Pin 3
|
|-
| Pin 4 -> Pin 8
|
|-
| Pin 14 -> EEPROM Pin 8
|
|-
| Pin 15 -> EEPROM Pin 1
|
|-
| Pin 16 -> EEPROM Pin 2
|
|-
| Pin 17 -> EEPROM Pin 3
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|-
| Pin 18 -> EEPROM Pin 4
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|-
| Pin 19 -> EEPROM Pin 5
|
|}
* '''Add the following resistors:'''
{| class="wikitable" style="text-align: center; width: 85%"
! style="width: 300px;" | Connection
! style="width: 500px;" | Notes (as applicable)
|-
| 10K Resistor between Pins 21 & 22
|
|-
| 10K Resistor between Pins 21 & 23
|
|}
* ''For URIx P/N 9095 that uses the CM119A also include the following:''
{| class="wikitable" style="text-align: center; width: 85%"
! style="width: 300px;" | Connection
! style="width: 500px;" | Notes (as applicable)
|-
| Pin 5 -> Pin 10
| '''''Do *NOT* include for the older URI P/N 9080 that uses the CM108'''''
|-
| Pin 6 -> Pin 11
| '''''Do *NOT* include for the older URI P/N 9080 that uses the CM108'''''
|}
== Assembly ==
# 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.
# Pin 14 is wired to pin 8 (Vcc) and pin 19 is wired to pin 5 (Gnd) of the EEPROM.
# Pins 6 and 7 of the EEPROM are not used and may be removed.