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Port Descriptions
Model 3EC 18208AC
and 3EC 18238AC
Pin
Signal Name
Number
1
Not connected
2
Tip or Line A
3
Not connected
4
Not connected
5
Ring or Line B
6
Not connected
Ethernet 10Base-T Port
Pin
Signal Name
Number
1
Twisted pair transmit +
2
Twisted pair transmit -
3
Twisted pair receive +
46
ADSL-DMT Port
All Other Models
Pin
Number
1
Not connected
2
Not connected
3
Tip or Line A
4
Ring or Line B
5
Not connected
6
Not connected
4
Ground
5
Ground
6
Twisted pair receive -
7
Ground
8
Ground
Signal Name
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