
Routine Operation
3-6
SCM4000
Operator’s Guide/Tech Ref Manual
Connectors contained on the Modulator/Demodulator
configuration of the SCM4000 are identified in
and are described below. Connectors covered are as
follows:
See ”Installation” chapter on page 5-1
for connector pin
assignments (part of the SCM4000 Technical Reference Manual
only).
Modulator/Demodulator DB-9 Front Panel RS232
Connector
The RS232 DB-9 male connector is used for factory
Topic
Page
Modulator/Demodulator DB-9 Front
Panel RS232 Connector
Modulator/Demodulator AC/DC
Power Connector
Modulator/Demodulator BNC IF IN
Connector
Modulator/Demodulator BNC IF
OUT Connector
Modulator/Demodulator RJ-45 T1/
E1 10/100 Connectors
Modulator/Demodulator BNC 1 and
2 Connectors
Modulator/Demodulator BNC 3
Connectors
Modulator/Demodulator DB-9 Rear
Panel RS232/485 Connectors
Modulator/Demodulator DB-9 SUM
ALARM Connectors
test and is located behind an access cover.
Modulator/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.
Modulator/Demodulator BNC IF IN Connector
IF IN
75
ohm BNC female connector provides the input connection for 70
MHz IF to the unit.
Modulator/Demodulator BNC IF OUT Connector
IF OUT
75 ohm BNC female connector provides the 70 MHz IF output
signal.
Modulator/Demodulator RJ-45 T1/E1 10/100 Connectors
The RJ-45 10/100 BaseT connectors provide T1/E1 or Ethernet
connections.
Modulator/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 inputs (Modulator) or outputs
(Demodulator).
Modulator/Demodulator BNC 3 Connectors
The
3
ASI
SMPTE
75 ohm BNC female connectors provide ASI or
SMPTE310 inputs (Modulator) or outputs (Demodulator).
Modulator/Demodulator DB-9 Rear Panel RS232/485
Connectors
The
RS232/485
DB-9 female connectors provide
connections for either RS232 or RS485 operation.
Modulator/Demodulator DB-9 SUM ALARM Connectors
The
SUM ALARM
DB-9 female connectors provide summary alarm
data for common faults and events.
Содержание SCM4000
Страница 1: ...Manual Part No 400509 1 Rev A February 2006 Technical Reference Manual Single Carrier Modem SCM4000 ...
Страница 2: ......
Страница 14: ...Introduction 1 4 SCM4000 Operator s Guide This page intentionally left blank ...
Страница 234: ...Repair 6 2 SCM4000 Technical Reference Manual This page intentionally left blank ...
Страница 242: ...Theory of Operation 8 6 SCM4000 Technical Reference Manual This page intentionally left blank ...
Страница 250: ...Glossary A 8 SCM4000 Operator s Guide Tech Ref Manual This page intentionally left blank ...
Страница 266: ...Symbol Rate Calculations C 8 SCM4000 Technical Reference Manual This page intentionally left blank ...
Страница 274: ...Index 8 SCM4000 Technical Reference Manual This page intentionally left blank ...