Table 669: LED descriptions for COM0031-COM0034
LED Connector Description
X1 X1 X1/LAN1 link status and activity
X2 X2 X2/LAN2 link status and activity
X3 X3 X3/LAN3 link status and activity
RX X9 COM1 fiber-optic receive activity
TX X9 COM1 fiber-optic transmit activity
13.3.8.1 COM0001-COM0014 jumper locations and connections
A070893 V3 EN
Figure 464: Jumper connectors on communication module
1YHT530004D05 D Section 13
IED physical connections
615 series 855
Technical Manual