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TRACER 6000 Series Integrated System Manual Section 3 Engineering Guidelines
612806420L1-1F Copyright © 2005 ADTRAN, Inc. 39
Table 13. 4xE1 Module with 75Ω Interface DB-25 Connector Pinout
Pin Name Description
1 E1D RX Receive signal for E1 D interface
2 E1D TX Output signal for E1 D interface
3 GND Ground
4 E1C RX Receive signal for E1 C interface
5 E1C TX Output signal for E1 C interface
6 GND Ground
7 E1B RX Receive signal for E1 B interface
8 E1B TX Output signal for E1 B interface
9 GND Ground
10 E1A RX Receive signal for E1 A interface
11 E1A TX Output signal for E1 A interface
12-25 GND Ground
Table 14. DB-25 to 75Ω Unbalanced Cable Pinout
E1 Cable Interface
DB-25 Male
(TRACER Side)
DB-25 Male
(Breakout Panel)
Channel 1 Input 10 14
Channel 1 Output 11 3
Channel 2 Input 7 17
Channel 2 Output 8 6
Channel 3 Input 4 20
Channel 3 Output 5 9
Channel 4 Input 1 23
Channel 4 Output 2 12
Ground All other pins All other pins