December 2006
Blue Sky Network
Typical 4-Wire Audio Interface
A typical 4-Wire E&M Audio connection is shown in
blue
.
C-1000A Modem Unit
P/N 100120
DB-9 “Power”
DB-37 “Cabin Unit”
6
AIRFRAME_GND
3
12V_IN
28V_IN
2
1
POWER_GND
Power Ground
28VDC Aircraft Power
3A Breaker
100115
C-1000A Iridium™ Satellite Phone System
Page
23
C-1000A Cabin Unit
P/N 100100
29
20
37
14
15
POTS_TIP
POTS_RING
30
31
SPKR2
SPKR1
32
33
HDSET_OUT2
HDSET_OUT1
34
35
HDSET_IN2
HDSET_IN1
36
HDST_PRSNT
27
28
GND
25
26
DOWNLINK
DSC_N_12V
23
24
GND
UPLINK
21
22
LBT_ON-OFF
4W_OUT1
4W_OUT2
16
17
4W_IN1
4W_IN2
18
19
13
LEDS_OUT
12
CU_12V
11
DC Return GND
10
8
9
CU_232_CTS
CU_232_RI
6
7
CU_232_DSR
CU_232_RTS
1
2
CU_232_RX
CU_232_DCD
3
4
CU_232_TX
CU_232_DTR
5
CU_232_GND
Shield GND
Shield GND
Shield GND
DB9S
Airframe Chassis Ground
2-Wire POTS Phone Extensions
9
E&M_OUT9
8
E&M_OUT8
7
E&M_OUT7
5
E&M_IN5
4
E&M_IN4
RS-232
Data Serial Bus
DSC Bus (Handset &
SIM Card Reader)
2-Wire POTS Phones
29
20
37
14
15
30
31
32
33
34
35
36
27
28
25
26
23
24
21
22
16
17
18
19
13
12
11
10
8
9
6
7
1
2
3
4
5
LED Indicators
+12V
Spare
RS-232 Data Ports
DB9S
DB9S
DB9S
RJ-11
RJ-11
RJ-11
RJ-11
RJ-11
RJ-11
RJ-45
E&M
+5V
Ringer
2.5mm
Headset
Jack
Spare
+
Off Hook
Bell or Ring Indicator
4-Wire E&M Audio
Summary of Contents for Iridium C-1000A
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