Teledyne 6 RU Chassis, Operation Manual

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84 202058 REV AA 6 RU SSPA Chassis Operations Manual
5.1.4 Link Cable
The 9 pin socket J8 connector Link Port is used to link two Redundant SSPAs in order
to pass online/standby status information between them.
Warning! Do not remove this cable while the system is in operation!
The system will not operate properly.
Table 5-2
shows the pin outs of J8.
Figure 5-4
shows an outline drawing of a typical
link cable.
HPA1, P2 HPA2, P3 RF Switch, P1 Description
1 1 B Common +28V
3 3 A Pos 1
2 2 C Pos 2
Table 5-1: RF Switch Connector Wiring
Figure 5-3: Outline Drawing, Switch Connector Cable
J8 Pin # Function / Description
6,7 Link Out (connect to “Link In” of Second SSPA)
8,9 Link In (connect to “Link Out” of Second SSPA)
1,2,3,4 Reserved, make no connection
5 Ground (Connect to same pin on Second SSPA)
Table 5-2: Link Port J8 Pin Outs
Figure 5-4: Outline Drawing, Link Port Cable