Chapter 2. Installation2 8 TSU 120 User Manual 61200.129L1-1Chain OutThis is used to connect to another TSU 120 Chain Inconnector. See Table 2-C for the pinout for the chainout connector.ConnectionsThe chain out connections are as follows:Connector type RJ-48Part number AMP# 555164-2Table 2-CChain Out PinoutPIN NAME DESCRIPTION1 GND Ground - Connected to unit chassisconnected to GND of next unit (Pin 1).2 UNUSED3 TX DATA Data transmitted to chained units by theTSU 100. Connected to RX DATA of thenext unit (Chain in Pin 3).4 UNUSED5 RX DATAData received from chained units by theTSU 100. Connected to TX DATA of thenext unit (Chain in Pin 5).6,7,8 UNUSED
