Installation
2. Connect the other end of the same pair of the two-twisted pair cable to
terminal strip TB1 inside the drive cabinet (Refer to Table 4-4B).
4.3.4.3 Portable Maintenance Control Unit (PMCU) With Position
Display Option Installation
The PMCU with Optional Position Display is provided for local control at the antenna.
It is located inside the 7150 drive cabinet.
4.3.4.3.1 PMCU Connections
The following table gives the terminal numbers and a description of the terminals of
the PMCU terminal strip (J5) on the relay Printed Circuit Board (PCB) and the MS
connector located on the back plate of the 7150 drive cabinet. The connections on
TB1 are for the EIA/TIA-422B that is used on the optional PMCU display. This
information is for reference only.
TABLE 4-5 PMCU CONNECTIONS
RELAY PCB "J" CONNECTORS DESCRIPTION MS CONNECTOR PIN OUT
J5-1 INTERRUPT RTN B
J5-2 MAINT. INTERRUPT A
J5-3 AZ CW N
J5-4 AZ/EL COMMON E
J5-5 AZ CCW P
J5-6 AZ SLEW J
J5-7 EL UP L
J5-8 EL DN M
J5-9 EL SLEW K
J5-10 POL CW G
J5-11 POL COMMON F
J5-12 POL CCW H
J5-13 4TH AXIS CW C
J5-14 4TH AXIS CCW D
J5-15 NC
J5-16 NC
J4-13 +24 VDC W
J4-11 VDC COMMON X
TB1 TERMINAL STRIP
EIA/TIA-422B Rx EIA/TIA-422B RECEIVE R
EIA/TIA-422B Rx
EIA/TIA-422B RECEIVE NOT
S
SHLD SHLD T
NC U
NC V
NC Y
NC Z
4-10
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