Mocomtech CIM-550 Manuel D’Utilisation

CiM-550 IP Enabled Satellite Modem 

Rev. 2 

Introduction 

CD/CIM550.IOM 

6 

SYSTEM SPECIFICATIONS (FULLY ENHANCED) 

Frequency Range 

52 to 88 MHz, 104 to 176 MHz (option), stability ± 1.5 ppm, 0 to 50

0

 C 

Input/Output Impedance 

50 and 75 Ohms (Front panel selectable), 17 dB min. return loss 

IF Connector 

BNC, female 

Data Interface 

10baseT/100baseTX Ethernet (RJ-45 connector) 

 

DB25 female, providing: (CDM-550 mode only) 

 

EIA422/EIA530 DCE 

 

V.35 DCE 

 

X.21 DCE and DTE 

 

Sync / Async EIA232 

External TX Carrier Off 

By TTL ‘low’ signal or external contact closure – hardware function 
automatically overrides processor 

WAN Encapsulation 

HDLC 

1

 

Data rate range 

Overall, 2.4 - 2048 kbps 

4.8 kbps - 2048 kbps, Uncoded BPSK 

9.6 kbps - 2048 kbps, Uncoded QPSK/OQPSK 

2.4 kbps - 1024 kbps, Rate 1/2 BPSK 

4.8 kbps - 2048 kbps, Rate 1/2 QPSK/OQPSK 

7.2 kbps - 2048 kbps, Rate 3/4 QPSK/OQPSK 

8.4 kbps - 2048 kbps, Rate 7/8 QPSK/OQPSK 

2.4 kbps - 1145 kbps, Rate 21/44 BPSK Turbo 

2.4 kbps - 750 kbps, Rate 5/16 BPSK Turbo 

(Fully Independent Tx and Rx rates) 

Scrambling 

Transparent mode, no RS coding - per CCITT V.35 

EDMAC mode, no RS coding - externally synchronized 

Turbo Product Code mode - externally synchronized