E
XTERNAL
I
NTERFACES
D
OC
.01040045
R
EV
.6
3-3
3.1.2 RS-422/485
Serial
Port
The operator can use a PC with a RS-422/485 adapter at distances up to 1Km. A control unit
connected to J7 can be used to remotely monitor and control the Indoor SSPA. J7 is a 9-pin D-
type connector. An ITT Canon DEU-9P D-SUB male or equivalent must be used for the mating
connector. The CIF Protocol must be set to RS422/485 using the front panel menu setup screen.
Note: TX and RX functionality is from the standpoint of the amplifier: TX is
an output and RX is an input.
Interconnect cables should be wired for RS-422/485. A cable assembly similar to CPI drawing
#
01032346
(see the
“Drawings”
chapter) should be used for RS-422/485 communication with the
optional remote panel unit (1RU). A wiring diagram for a cable using RS-422/485 is shown in
Figure 3-1.
Note: This connection is typical and represents the necessary connections
to the CPI Remote Panel. User’s connection device may be different.
Figure 3-1. RS-485 Cable
3.1.3 Diagnostic
Interface
The diagnostic interface is only defined for CPI diagnostic purposes. It is located at the front of
the Indoor SSPA behind the removal filter. Make no connections to these pins.
Содержание S4UIA
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