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D&i framing formats, 2 d&i, Framing formats – Comtech EF Data SDM-300L3 User Manual

Page 272

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SDM-300L3 Satellite Modem

Revision 1

Open Network Operations MN/SDM300L3.IOM

10–14

10.4.2 D&I

Framing Formats

The D&I framing formats used in the modem can be divided into T1 and E1 categories, as

follows:

T1_ESF

T1 Extended Super Frame

T1

T1 D4 Framing

T1_ESF_S

T1 Extended Super Frame Special

T1_S

T1 D4 Framing Special

T1_IBS

T1 IBS Non Fractional, Full 1.544M

E1_CCS

E1 Common Channel Signaling

E1_CAS

E1 Channel Associated Signaling

E1_IBS

E1 IBS Non Fractional, Full 2M

E1_31_TS

E1 31 Time Slots


Each format is further explained in Figure 10-4 and Figure 10-5.