Page 42 of 44 MNL-0656-01 Rev A8 ECO-N/A Effective: 16 Nov 21
J1 GIGABIT ETHERNET (PORT 1-4), POWER, & ZEROIZE
J1 is a 37 pin socket connector with four GigE ports brought out on it, as well as power and a zeroize
port. Four twisted pairs are used for each GigE port (8 pins total). This documentation refers to these
pairs as a pair (GbEn_A_P / GbEn_A_N, GbEn_B_P / GbEn_B_N, GbEn_C_P / GbEn_C_N, GbEn_D_P
/ GbEn_D_N) where n = a port number from 1 to 4. J1 has a serial console port on two pins (plus a signal
ground return). J1 has a zeroize port on one pin (plus the same signal ground return).
Pin # Signal Name
Pin # Signal Name
1 GBE3_D_N
20 GBE4_C_P
2 GBE3_C_N
21 GBE4_D_N
3 GBE3_B_N
22 GBE4_A_N
4 GBE3_A_N
23 GBE2_D_N
5 GBE3_D_P
24 GBE2_C_N
6 GBE3_C_P
25 GBE2_B_N
7 GBE3_B_P
26 GBE2_A_N
8 GBE3_A_P
27 GBE4_D_P
9 GBE4_B_N
28 GBE4_A_P
10 GBE1_B_N
29 GBE2_D_P
11 GBE1_A_N
30 GBE2_C_P
12 GBE1_C_N
31 GBE2_B_P
13 GBE1_D_N
32 GBE2_A_P
14 GBE4_C_N
33 ZEROIZE_GND
15 GBE4_B_P
34 28VDC
16 GBE1_B_P
35 28VDC_RETURN
17 GBE1_A_P
36 NO CONNECT
18 GBE1_C_P
37 ZEROIZE
19 GBE1_D_P
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