Drop And Insert; D&I (Optional With Overhead Card; Table C-18. D&I Specifications - Comtech EF Data SDM-300A Installation And Operation Manual

Specifications
C.10

Drop and Insert

C.10.1 D&I (Optional with Overhead Card)
Refer to Table C-18 for D&I specifications.
G.703
Satellite Data Rates Supported
(all have 16/15 overhead)
Terrestrial Framing Supported
Satellite Overhead Rate
Timeslot Selection Range
Plesiochronous Buffer Sizes
Buffer Clock Reference
ESC Data Interface Type
ESC Data Rate
ESC Data Circuits Supported
ESC Data Interface Type
ESC Data Rate
ESC Data Circuits Supported
Satellite Backward Alarms
Receive BWA Output
C–50
Table C-18. D&I Specifications
Primary Data Rates Supported
1544 kbit/s SD, RD, DDO, IDI
2048 kbit/s SD, RD, DDO, IDI
N x 64 kbit/s
N = 1-6, 8, 10, 12, 15, 16, 20, or 24 (T1)
(add 9 or 18 for T1, using special IBS superframe)
N = 1-6, 8, 10, 12, 15, 16, 20, 24, or 30 (E1_CCS)
N = 1, 2, 4, 6, 8, 12, 16, 24, 30 (E1_CAS)
G.732/G.733, G.704
16/15 of data rate per IESS-308 Rev. 6 and IESS-309 Rev. 3,
or higher
1 to 24 (all T1 modes)
1 to 30 (E1_CAS and E1_CCS)
1 to 31 (E1_31TS)
Arbitrary order, non-contiguous available
7.5, 15, and 30 ms (E1_CAS)
6, 12, 24, and 30 ms (T1_S, and T1_ESF_S)
1, 2, 4, 8, 16, and 32 ms (all other modes)
Derived from Insert Data In (Insert Clock)
External (EIA-422)
SCT from modulator
Asynchronous Engineering Service Channel
EIA-232, Asynchronous
1/2000 of primary data rate
SD, RD, DSR
Synchronous Engineering Service Channel
EIA-232, synchronous to primary data
1/512 of primary data rate
SD, ST, RD, RT, DSR
Faults and Alarms
1 (per IESS-309)
Enabled onto secondary alarm
SDM-300A Satellite Modem
Rev. 4