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CDM-Qx Satellite Modem
External Connections
Name
Slot #2 Demod:
Alarms
G.703
Slot #3 Mod:
Alarms
EIA-530
Slot #4 Demod:
Alarms
EIA-530
70/140 Tx /Rx:
Tx
Rx
Ref
AC Plug
Ground
Configuration #3 - Modem 1 with G.703 T1/E1 Balanced (DB-15) and Quad E1IInterface (1-4 Ports E1,w/ D&I)
M&C 10/100BaseT
485/232
Slot #1 Mod:
Alarms
G.703
Slot #2 Demod:
Alarms
G.703
Slot #3 and #4 Quad E1:
Port 1 of E1
Port 2 of E1
Port 3 of E1
Port 4 of E1
Ext Ref E1 Clock
70/140 Tx /Rx:
Tx
Rx
Ref
AC Plug
Ground
Note: The European EMC Directive (EN55022, EN50082-1) requires using properly shielded cables for
DATA I/O.
Ref. Desig.
Connector Type
15-Pin Male
BNC
15-Pin Male
25-Pin Female
15-Pin Male
25-Pin Female
BNC
BNC
BNC
IEC
#10-32 Stud
RJ-45
9-Pin D Male
15-Pin Male
BNC
15-Pin Male
BNC
J1
RJ-45
J2
RJ-45
J3
RJ-45
J4
RJ-45
J5
DB-9 Female
BNC
BNC
BNC
IEC
#10-32 Stud
Function
Form-C Alarms
Unbalanced G.703 Data input
Form-C Alarms
Data Input
Form-C Alarms
Data Output, or Input/Output
RF Output 75 or 50Ω
RF Input 75 or 50Ω
External Reference for Modem Synthesizers
Modem Power
Grounding
Remote Interface
Remote Interface
Form-C Alarms
Unbalanced G.703 Data Output (incorrect slot for IO)
Form-C Alarms
Unbalanced G.703 Data input
Balanced E1 (Full E1 or Fractional D&I)
Balanced E1 (Full E1 or Fractional D&I)
Balanced E1 (Full E1 or Fractional D&I)
Balanced E1 (Full E1 or Fractional D&I)
Balanced E1 clock input and output
RF Output 75 or 50Ω
RF Input 75 or 50Ω
External Reference for Modem Synthesizers
Modem Power
Grounding
4–5
Revision 6
MN/CDMQx.IOM
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