Figure 3-1. Sdm-300L3 Rear Panel; Table 3-1. Modem Rear Panel Connectors - Comtech EF Data SDM-300L3 Installation And Operation Manual

SDM-300L3 Satellite Modem
Connector Pinouts
DATA I/O
J2 J3 J4
G.703/ASYNC
INTERFACE
OPTIONAL
Name
TX/IF OUTPUT
EXT REF
RF IF INPUT
Data/I/O (Optional)
REMOTE
FAULT
DATA I/O
(Customer-select)
AUX 1
ALARMS
AC INPUT
GROUND
J8
J6
J7
J5

Figure 3-1. SDM-300L3 Rear Panel

Table 3-1. Modem Rear Panel Connectors

Ref.
Desig.
Connector Type
CP1 Type N , Female
CP2 BNC, Female
CP3 Type F or N Female
J2 BNC, Female
J3 BNC, Female
J4 BNC, Female
J5 15-pin D Female
J6 9-pin D, Female
J7 9-pin D, Female
J8 25-pin D, Female
34-pin, Female
37-pin D, Female
50-pin D, Female
J9 9-pin D, Female
J10 9-pin D, Female
NONE IEC
NONE 10-32 Stud
J9
J10 CP2
RF Output
EXT REF IN
RF Input 75Ω
G.703/ASYNC Closed Network
Remote Interface
FORM C Fault Relay Contacts
Data Input/Output (standard modem)
V.35
EIA-449
Data Input/Output
(modem with
ASYNC/AUPC/IDR/IBS/G.703 option)
(TTL) Faults
Satellite Clock
Demod I/Q
Automatic Gain Control (AGC) Out
FORM C Alarm
Relay Contacts
3–2
Revision 1
MN/SDM300L3.IOM
CP3
CP1
Function