
| Communications Reference | C | 
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RS-232  Null Modem Cable for PC/XT (Part Number 048668)
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| METAL BACKSHELL | 
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| CHASSIS GROUND | 
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| 1 | 
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| TRANSMITTED DATA | 2 | 
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| RECEIVED DATA | 3 | 
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| REQUEST TO SEND | 4 | 
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| CLEAR TO SEND | 5 | 
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| DATA SET READY | 6 | 
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| GROUND | 7 | 
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| DATA TERMINAL READY | 20 | 
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| CARRIER DETECT | 8 | 
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PC
SHIELD
METAL BACKSHELL
1 CHASSIS GROUND
3 RECEIVED DATA
2 TRANSMITTED DATA
8 CARRIER DETECT
20DATA TERMINAL READY
7 GROUND
6 DATA SET READY
4
5CLEAR TO SEND PRINTER
| NOTE: The metal backshell is connected directly | 
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| to the shield to achieve electrostatic discharge | 
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| (ESD) immunity. | 3XXXU.010 | 
RS-232  Null Modem Cable for PC/AT (Part Number 048693)
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| METAL BACKSHELL | 
 | 
 | 
 | 
| 
 | 
 | 
 | |
| RECEIVED DATA | 
 | 
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| 2 | 
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| TRANSMITTED DATA | 3 | 
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| CLEAR TO SEND | 8 | 
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| REQUEST TO SEND | 7 | 
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| DATA TERMINAL READY | 4 | 
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| DATA SET READY | 6 | 
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| CARRIER DETECT | 1 | 
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| GROUND | 5 | 
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AT
SHIELD
METAL BACKSHELL
1 CHASSIS GROUND
2TRANSMITTED DATA
3RECEIVED DATA
8 CARRIER DETECT
6 DATA SET READY
20 DATA TERMINAL READY
5 CLEAR TO SEND
4REQUEST TO SEND
7GROUND
PRINTER
| NOTE: The metal backshell is connected directly | 
 | 
| to the shield to achieve electrostatic discharge | 
 | 
| (ESD) immunity. | 3XXXU.011 | 
