G.703 (optional with overhead card), 5 g.703 (optional with overhead card) – Comtech EF Data SDM-300A User Manual
Page 387
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SDM-300A Satellite Modem
Revision 6
Specifications
MN/SDM300A.IOM
19–31
19.9.5
G.703 (Optional with Overhead Card)
G.703 Specification
Primary Data Circuits Supported
T1 SD, RD
E1 SD, RD
Interface Type
Transformer coupled symmetrical pair
Data Rates
T1 1544 kbps,
± 100 bps
E1 2048 kbps,
± 130 bps
Pulse Width
T1 324,
± 50 Ns
E1 244,
± 25 Ns
SD Amplitude
T1 3V +0.3/-1.5V-pk into 100
Ω
E1 3V +0.3/-1.5V-pk into 120
Ω
RD Amplitude
T1 3V +0.3/-1.5V-pk into 100
Ω
E1 3V +0.3/-1.5V-pk into 120
Ω
Pulse Mask
T1 G.703.2
E1 G.703.6
Jitter Attenuation
T1 G.824
E1 G.823
Line Code
AMI (T1 or E1)
B8ZS (T1 only)
HDB3 (E1 only)
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