Microwave Radio Communications SCM4000, Техническое справочное руководство, Страница: 27 / 274

Routine Operation 3-5 SCM4000 Operator’s Guide/Tech Ref Manual Routine Operation 3-5 SCM4000 Operator’s Guide/Tech Ref Manual
located behind an access cover.
Demodulator AC/DC Power Connector The AC/DC power
connector provides connection to the removable external AC/DC
power cable. The power connector is part of the power switch
assembly.
Demodulator BNC IF IN Connector The IF IN 75 ohm BNC
female connector provides the input connection for 70 MHz IF to
the unit.
Demodulator RJ-45 T1/E1 10/100 Connectors The RJ-45 10/
100 BaseT connectors provide T1/E1 or Ethernet connections.
Demodulator BNC 1 and 2 Connectors The 1 ASI DS3/E3
and 2 ASI DS3/E3 75 ohm BNC female connectors provide ASI
or DS3/E3 outputs.
Demodulator BNC 3 Connector The 3 ASI SMPTE 75 ohm
BNC female connector provides ASI or SMPTE310 outputs.
Demodulator DB-9 Rear Panel RS232/485 Connector The
RS232/485 DB-9 female connector provides connections for
either RS232 or RS485 operation.
Demodulator DB-9 SUM ALARM Connector The SUM
ALARM DB-9 female connector provides summary alarm data
for common faults and events.
Figure 3-3: SCM4000 Demodulator Connectors
POWER IN
IF IN IF OUT
T1/E1
10/100
DS3/E3 DS3/E3 SMPTE
1
ASI 2
ASI 3
ASI RS232/485
SUM ALARM
1
2
RS232 Connector
(Behind Access
Cover)
FRONT VIEW
REAR VIEW
AC Power
Connector
(AC
Option)
T1/E1 10/100
Connectors
ASI SMPTE
Connector
RS232/485
Connector
Summary Alarm
Connector
ASI DS3/E3
Connectors
IF IN
Connector
POWER IN
FUSE
DC Power Connector
(DC Option)