tfra08c13 ETC-unknow, tfra08c13 Datasheet - Page 74

• Manufacturer Part Number: tfra08c13
• Description: Tfra08c13 Octal T1/e1 Framer
• Manufacturer: ETC-unknow

TFRA08C13 OCTAL T1/E1 Framer
Alarms and Performance Monitoring
Table 32. Event Counters Definition (continued)
The receive framer enters an unavailable state condition at the onset of ten consecutive severely errored second
events. When in the unavailable state, the receive framer deasserts the unavailable state alarms at the onset of ten
consecutive seconds which were not severely errored.
74
Bursty Errored
Second Events
Severely Errored
Second Events
Unavailable
Second Events
Error Event
DS1: non-ESF
DS1: ESF
CEPT without CRC-4
CEPT with CRC-4 (ET1) Greater than 1 but less than 915 CRC-4 errors within
CEPT with CRC-4 (ET1
remote)
CEPT with CRC-4 (NT1) Greater than 1 but less than 915 Sa6=001x (binary)
CEPT with CRC-4 (NT1
remote)
All
DS1: non-ESF
DS1: ESF
CEPT with no CRC-4
CEPT with CRC-4 (ET1) 915 or more CRC-4 errors within a one second
CEPT with CRC-4
(ET1 remote)
CEPT with CRC-4 (NT1) 915 or more Sa6=001x (binary) code events within a
CEPT with CRC-4
(NT1 remote)
All
Functional Mode
Greater than 1 but less than 8 framing bit errors
within a one second interval
Greater than 1 but less than 320 CRC-6 errors within
a one second interval
Greater than 1 but less than 16 framing bit errors
within a one second interval
a one second interval
Greater than 1 but less than 915 E bit = 0 events
within a one second interval
code events within a one second interval
Greater than 1 but less than 915 Sa6=00x1 (binary)
code events within a one second interval
Any one of the relevant error conditions enabled in
registers FRM_PR14—FRM_PR18 within a one
second interval
8 or more framing bit errors within a one second
interval
320 or more CRC-6 errors within a one second
interval
16 or more framing bit errors within a one second
interval
interval
915 or more E bit = 0 events within a one second
interval
one second interval
915 or more Sa6=00x1 (binary) code events within a
one second interval
A one second period in the unavailable state
(continued)
Definition
Preliminary Data Sheet
Lucent Technologies Inc.
Lucent Technologies Inc.
October 2000
Counter Size
(bits)
16
16
16