Table 3-6, Master/slave sync connector (j12-u1), Table 3-7 – Artesyn ATCA-F125 Installation and Use Guide (April 2014) User Manual
Page 51: Inter-shelf connectors (j12-l1, l2, l3, u2, u3), Table 3-8, T1/e1 port connectors (j12-l4 and j12-u4), Controls, leds, and connectors

Controls, LEDs, and Connectors
ATCA-F125 (6873M Artwork) Installation and Use (6806800J94J)
51
Table 3-6 Master/Slave Sync Connector (J12-U1)
RJ45 Pin
Function
1
Transmit +
2
Transmit -
3
Receive +
4
5
6
Receive -
7
8
Table 3-7 Inter-Shelf Connectors (J12-L1, L2, L3, U2, U3)
RJ45 Pin
Function
1
Port 1 +
2
Port 1 -
3
Port 2 +
4
Port 3 +
5
Port 3 -
6
Port 2 -
7
Port 4 +
8
Port 4 -
Table 3-8 T1/E1 Port Connectors (J12-L4 and J12-U4)
RJ45 Pin
Function
1
RX Ring
2
RX Tip
3
4
TX Ring
5
TX Tip