Async Overhead; Approvals - Comtech EF Data CDM-550T Manual

CDM-550T Satellite Modem
14.6

Async Overhead

Electrical Interface EIA-232 (Rx Data, Tx Data, and ground no flow control)
8 data bits, no parity, 1 stop bit, (8-N-1) – full duplex
Async format
Baud Rates Main channel data rate versus async channel baud rate (All modes except 21/44 and 5/16 Turbo)
<50 kbps - option disabled
50 to 99.999 kbps – 1200 baud
100 to 199.999 kbps – up to 2400 baud
200 to 399.999 kbps – up to 4800 baud
>399.999 kbps – up to 9600 baud
(Rate 1/2 BPSK modes are limited to 4800 at rates above 550 kbps)
Main channel data rate versus async channel baud rate (21/44 and 5/16 Turbo modes)
<150kbps - option disabled
150 to 299.999 kbps – 1200 baud
300 to 599.999 kbps – up to 2400 baud
>599.999 kbps – up to 4800 baud
Using this feature disables 1:1 inter-unit communication, EDMAC, and ODU control via the FSK link
Miscellaneous
14.7

Approvals

EN 55022 Class B (Emissions)
'CE' as follows:
EN 50082-1 (Immunity)
EN 60950 (Safety)
FCC FCC Part 15 Class B
Rev. 1.3
Summary Of Specifications
14–5