Specifications

IMATM Specification
Specifications B-29
NoteAll service specific alarms, except RED, will be passed through transparently.
Loss of Signal (RED) at CBR interface will result in All Ones cells being transmitted.
Brief periods of cell loss “Starvation” will result in insertion of 47 octects of one’s.
Extended periods of cell loss will result in All Ones (Unframed AIS) being generated.
During periods of Cell Bus configuration SAR-PDUs will be discarded.
IMATM Specification
Physical Interface (T3.T1) RJ48-T3T1-LM
Transmit state: SendingAIS
Sending FERF
cesXmtATMState = 3
cesXmtATMState = 4
Receiving state:
Receiving AIS
Receiving FERF
Cell Loss
cesRcvATMstate = 3
cesRcvATMstate = 4
cesCellLossStatus = 2
T1 Line Interface connector: Miniature RJ-48C, 100 ohms balanced
T3 Line Interface connector: BNC, 75 ohms unbalanced
Physical Interface (E3.E1) RJ48-E3E1-LM:
E1 Line Interface connector: Miniature RJ-48C, 100 ohms balanced
E3 Line Interface connector: BNC, 75 ohms unbalanced
Physical Interface (E3.E1B) SMB-E3E1-LM:
E1 Line Interface connector: Miniature SMB, 75 ohms unbalanced
E3 Line Interface connector: Miniature SMB, 75 ohms unbalanced