Comtech EF Data SDM-300A - Manual (Page 295)

SDM-300A Satellite Modem Revision 6
ASYNC/AUPC Interface MN/SDM300A.IOM
11–13
WYSE
REMOTE TERMINAL
(OR EQUIVALENT)
ASYNC INTERFACE ASYNC INTERFACE
V.35
DATA
CONNECTOR
25-PIN
ASYNC
CONNECTOR
REMOTE EIA-485
(4-WIRE)
CABLE
(9-PIN TO 25-PIN)
J8
J6
TX -30 dBm RX
RX TX -30 dBm
J8
V.35
DATA
CONNECTOR
25-PIN
ASYNC
CONNECTOR
LOCAL EIA-485
(4-WIRE)
CABLE
(9-PIN TO 25-PIN)
EIA-485
25-PIN CONNECTOR
TO
9-PIN CONNECTOR
(INDUSTRY STANDARD)
CA/4056 CA/4056
LOCAL END REMOTE END
BENCH TEST
50-PIN 50-PIN
Figure 11-2 . Remote ASYNC Connection Diagram for Y-Cable
WYSE
REMOTE TERMINAL
(OR EQUIVALENT)
ASYNC INTERFACE ASYNC INTERFACE
J8
J6
TX -30 dBm RX
RX TX -30 dBm
J8
25-PIN
ASYNC
CONNECTOR
EIA-485
25-PIN CONNECTOR
TO
9-PIN CONNECTOR
(INDUSTRY STANDARD)
LOCAL END REMOTE END
BENCH TEST
BREAKOUT PANEL
50-PIN
25-PIN
ASYNC
CONNECTOR
BREAKOUT PANEL
50-PIN
Figure 11-3. Remote ASYNC Connection Diagram for Breakout Panel