Specifications

BNM-155 Specifications
Specifications B-5
BNM-155 Specifications
Intershelf Link Specifications
Common Specifications
SMF Specific Specifications
Framing: SONET STS-3c per ANSI T1.105
PMD Layer Alarms: Loss of Signal (LOS)
Severely Errored Framing (SEF)
Loss of Frame (LOF)
Line Alarm Indication Signal (AIS-L)
STS Path Alarm Indication Signal (AIS-P)
Line Remote Defect Indication (RDI-L)
Loss of Pointer (LOP)
STS Path Remote Defect Indication (RDI-P)
Transmission Convergence Protocol: Per GR-253-CORE and ANSI T1.105
TC Layer Alarm: Loss of Cell Delineation ((LCD)
ATM Layer Protocol: Header check sum is XORed with the COSET function
(0x55) per CCITT I.361
ATM Layer Counters: Number of cells received good
Number of cells received and discarded due to bad HEC
Number of cells transmitted good
Diagnostics: Number of cells received from Cell Bus
Number of cells transmitted to Cell Bus
Number of unacknowledged cells transmitted to Cell Bus
Header of first cell received with invalid egress
translation errors
Number of cells dropped due to invalid ingress
translation errors
Number of cells dropped due to invalid etress translation
entries.
SMF Line Interface Connector SC connectors
Fiber Recommendation Single-mode
Maximum Fiber Length 20km
SMF Line Signal Optical, SONET OC-3c per ANSI T1.105 and
GR-253-CORE
SMF Line Rate 155.52 Mbps