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12 203987 Rev A RCP2-1000 RM Remote Controller Operations Manual
2.5 Cable Connectors
The RCP2-1000 RM has several I/O interconnections available on the rear panel. The
controller rear panel is shown in Figure 2-1.
The RCP2-1000 RM and a Rack Mount SSPA are linked together through 2-wire
twisted pair shielded cable (such as 24 AWG twisted pair telephone cable). The cable
should be connected between port J5 "Serial Local" of the RCP2-1000 and port J5
“Serial Local” of the SSPA, as shown in Figure 2-2. Figure 2-3 shows the complete top
level wiring diagram.
To achieve reliable communication over long distances an adequate line termination
(120 ohm resistor between RS485+ and RS485- lines) must be provided on both ends
of the cable. The link provides data exchange through RS485 half-duplex serial inter-
face with 9600 Baud data rate.
Data link is peer-to-peer only; connection of a secondary SSPA or RCP2-1000 RM unit
is not possible. The RCP2-1000 RM is designed to provide remote control by using
second generation of Paradise Datacom SSPA serial protocol only. In other words, the
RCP2-1000 RM provides support only for later model SSPA units with serial numbers
above 100,000. Earlier models of SSPAs, which utilize a different style of serial
protocol, cannot be controlled by the RCP2-1000 RM.
J1
PS1
J7 PARALLEL I/O
J5 SERIAL LOCALJ4 SERIAL MAIN
J6 PROGRAM
J9 ETHERNET
Figure 2-1: RCP2-1000 RM Rear Panel
Figure 2-2: Cable connections for RCP2-1000
Compact Outdoor SSPA
J4 M&C
J2 RF Out
RCP2-1000CO
J4 SERIAL MAIN
J5 SERIAL LOCAL
J7 PARALLEL I/O
J6 PROG
RS232 or
RS485
RS485
9600 Baud
C-Band
Solid State Power Amplifier
To (J5) Serial Local