tfra08c13 ETC-unknow, tfra08c13 Datasheet - Page 10

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

TFRA08C13 OCTAL T1/E1 Framer
Feature Descriptions
T1/E1 Framer Feature Descriptions
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Framing formats:
— Compliant with T1 standards ANSI T1.231 (1993),
— Unframed, transparent transmission in T1 and E1
— DS1 extended superframe (ESF).
— DS1 superframe (SF): D4; SLC -96; T1DM DDS;
— DS1 independent transmit and receive framing
— Compliant with ITU CEPT framing recommenda-
Framer line codes:
— DS1: alternate mark inversion (AMI); binary eight
— DS1 independent transmit and receive path line
— ITU-CEPT: AMI; high-density bipolar 3 (HDB3)
— Single-rail option.
Signaling:
— DS1: extended superframe 2-state, 4-state, and
— DS1: D4 superframe 2-state and 4-state per-
— DS1: SLC -96 superframe 2-state, 4-state, 9-state,
— DS1: channel-24 message-oriented signaling.
— ITU CEPT: channel associated signaling (CAS).
— Transparent (all data channels).
Alarm reporting, performance monitoring, and main-
tenance:
— ANSI T1.403-1995, AT&T TR 54016, and ITU
— Error and status counters:
AT&T TR54016, AT&T TR62411 (1998).
formats.
T1DM DDS with FDL access.
modes when using the ESF and D4 formats.
tion:
1. G.704 and G.706 basic frame format.
2. G.704 Section 2.3.3.4 and G.706 Section 4.2:
3. G.706 Annex B: CRC-4 multiframe search algo-
4. G.706 Section 4.3.2 Note 2: monitoring of 915
zero code suppression (B8ZS); per-channel zero
code suppression; decoding bipolar violation mon-
itor; monitoring of eight or fifteen bit intervals with-
out positive or negative pulses error indication.
code formats when using AMI/ZCS and B8ZS
coding.
encoding and decoding bipolar violation monitor-
ing, monitoring of four bit intervals without positive
or negative pulses error indication.
16-state per-channel robbed bit.
channel robbed bit.
and 16-state per-channel robbed bit.
G.826 standard error checking.
1. Bipolar violations.
CRC-4 multiframe search algorithm.
rithm with 400 ms timer for interworking of
CRC-4 and non-CRC-4 equipment.
CRC-4 checksum errors for loss of frame state.
— Selectable errored event monitoring for errored
— CEPT: Selectable automatic transmission of E bit
— CEPT: Sa6 coded remote end CRC-4 error E bit =
— Programmable automatic and on-demand alarm
— Multiple loopback modes.
— Optional automatic line and payload loopback acti-
— CEPT nailed-up connect loopback and CEPT
— Selectable test patterns for line transmission.
— Detection of framed and unframed pseudorandom
— Programmable squelch and idle codes.
System interface:
— Autonomous transmit and receive system inter-
— Independent transmit and receive frame synchro-
— Independent transmit and receive system interface
— 2.048 Mbits/s, 2.048 MHz concentration highway
— Optional 4.096 Mbits/s and 8.192 Mbits/s data
— Optional 4.096 MHz and 8.192 MHz frequency
— Programmable clock edge for latching frame syn-
— Programmable clock edge for latching transmit
— Programmable bit and byte offset.
— Programmable CHI master mode for the genera-
Digital phase comparator for clock generation in the
receive and transmit paths.
2. Errored frame alignment signals.
3. Errored CRC checksum block.
4. CEPT: received E bit = 0.
5. Errored, severely errored, and unavailable
and severely errored seconds processing with
programmable thresholds for errored and severely
errored second monitoring.
to the line.
0 events.
transmission:
1. Automatic transmission of remote frame alarm
2. Automatic transmission of alarm indication
vate and deactivate modes.
nailed-up broadcast transmission TS-X in TS-0
transmit mode.
and quasi-random test patterns.
faces.
nization input signals.
clock.
interface (CHI) default mode.
rates.
system clock.
chronization signals.
and receive data.
tion of the transmit CHI FS from internal logic with
timing derived from the receive line clock signal.
seconds.
to the line while in loss of frame alignment
state.
signal (AIS) to the system while in loss of frame
alignment state.
Preliminary Data Sheet
Lucent Technologies Inc.
Lucent Technologies Inc.
October 2000