Blue Sky Network Iridium C-1000A, Installation Manual

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December 2006
Blue Sky Network
100115
C-1000A Iridium™ Satellite Phone System
Page 19
C-1000A Cabin Unit Pinouts
DB-37 Connector
PIN SIGNAL DESCRIPTION
1 CU_232_DCD EIA-232 DCD (Data Carrier Detect) – SEE NOTE 2
2 CU_232_RX EIA-232 RX (Receive)
3 CU_232_TX EIA-232 TX (Transmit)
4 CU_232_DTR EIA-232 DTR (Data Terminal Ready)
5 CU_232_GND EIA-232 Ground Return
6 CU_232_DSR EIA-232 DSR (Data Set Ready)
7 CU_232_RTS EIA-232 RTS (Request to Send)
8 CU_232_CTS EIA-232 CTS (Clear to Send)
9 CU_232_RI EIA-232 RI (Ring Indicator)
10 GND Airframe Ground (Connect to Aircraft Ground)
11 GND DC Return Ground (To/From Modem Unit)
12 CU_12V +12 VDC
13 LEDS_OUT Green Status LED
14 POTS_TIP Analog Telephone, RJ11 Tip
15 POTS_RING Analog Telephone, RJ11 Ring
16 (Not Connected)
17 (Not Connected)
18 (Not Connected)
19 (Not Connected)
20 (Not Connected) DO NOT CONNECT SHIELDS
21 Handset/ SIM Card Reader: (Connected, but not used)
22 LBT_ON-OFF Handset/ SIM Card Reader: LBT On/Off
23 GND Handset/ SIM Card Reader: Ground
24 UPLINK Handset/ SIM Card Reader: DSC Bus Uplink Data
25 DOWNLINK Handset/ SIM Card Reader: DSC Bus Downlink data
26 DSC_EN_12V Handset/ SIM Card Reader: DSC Bus Power
27 Handset/ SIM Card Reader: (Connected, but not used)
28 GND Handset/ SIM Card Reader: Ground
29 (Not Connected) DO NOT CONNECT SHIELDS
30 SPKR2 Speaker (Internal, Cabin Unit Ringer)
31 SPKR1 Speaker (Internal, Cabin Unit Ringer)
32 HDSET_OUT2 2.5mm Headset Jack, Receiver, Cabin Unit
33 HDSET_OUT1 2.5mm Headset Jack, Receiver, Cabin Unit
34 HDSET_IN2 2.5mm Headset Jack, Microphone, Cabin Unit
35 HDSET_IN1 2.5mm Headset Jack, Microphone, Cabin Unit
36 HDSET_PRSNT Headset Plug Detection
37 Spare (Not Connected)
Notes 1. Shield Grounds should only be connected to Aircraft Ground at the Modem
Unit end of the interface harness