Preliminary Data Sheet
October 2000
T7630 Dual T1/E1 5.0 V Short-Haul Terminator (Terminator II)
16
L Lucent Technologies Inc.
Functional Description
(continued)
The T7630 is manufactured using low-power CMOS technology and is packaged in an 144-pin thin quad flat pack
(TQFP) with 20 mils lead pitch.
5-4513(F).c
Figure 2. T7630 Block Diagram: Receive Section (One of Two Channels)
RTIP_RPD
RRING_RND
RLCK
RECOVERY
DATA
DIGITAL
CLOCK AND
OR TRANSMIT)
(OPTIONAL:
RECEIVE
ATTENUATION
JITTER
AND MONITOR
BPV DECODER
TRANSMIT
CONCENTRATION
HIGHWAY
INTERFACE
(RATE ADAPTER)
TCHIFS
(2 FRAMES)
RECEIVE
ELASTIC
STORE
MONITOR
RECEIVE SLIP
INTERNAL
SYSTEM CLOCK
TCHICK
– MICROPROCESSOR ACCESS
– CONCENTRATION HIGHWAY ACCESS
– CEPT CHANNEL ASSOCIATED AND
COMMON CHANNEL SIGNALING
– DS1 ROBBED-BIT SIGNALING (RBS)
RECEIVE SIGNALING EXTRACTER:
RFDLCK
RFDL
& SIGNALING MULTIFRAME
– CEPT: BASIC FRAME, CRC-4 MULTIFRAME,
– ESF
– SF: D4, SLC-96, DDS
RE-ALIGNER, AND SYNC GENERATOR:
RECEIVE T1/E1 FRAME ALIGNMENT MONITOR,
– UNAVAILABLE SECONDS
– SEVERELY ERRORED SECONDS
– BURSTY ERRORED SECONDS
– ERRORED SECONDS
– ERRORED EVENTS
– BIPOLAR VIOLATION ERRORS
– T1/E1 CRC ERRORS
RECEIVE PERFORMANCE MONITOR:
– SLIPS
– ALARM INDICATION SIGNAL (AIS)
– CEPT REMOTE MULTIFRAME ALARM
– REMOTE FRAME ALARM
– DIGITAL LOSS OF SIGNAL
– ANALOG LOSS OF SIGNAL
RECEIVE ALARM MONITOR:
MESSAGE-ORIENTED MESSAGES
BIT-ORIENTED MESSAGES
– ANSI T1.403-1989 ESF FORMAT:
– DDS ACCESS
– SLC-96 FORMAT
AND MONITOR:
RECEIVE FACILITY DATA LINK EXTRACTER
RFRMCK
FRONT END
RECEIVE
ANALOG
LINE INTERFACE UNIT BYPASS
RPD-LIU, RND-LIU,
RLCK-LIU
RPDE, RNDE, RLCKE
RPD, RND, RLCK
RECEIVE PATTERN MONITOR:
– QUASI-RANDOM: 2
20
– 1
– PSEUDORANDOM: 2
15
– 1
– ANSIT1.403 BIT-ORIENTED AND ESF-FDL ACTIVATE
AND DEACTIVATE LINE LOOPBACK CODES
– CEPT AUXILIARY PATTERN (CEPT = 01)
– CEPT ACTIVATE AND DEACTIVATE LOOPBACK
CODES
– CEPT Sa6 CODES
RECEIVE FDL HDLC EXTRACTER:
– 64-byte RECEIVE FIFO
– TRANSPARENT MODE (NO HDLC FRAMING)
– MICROPROCESSOR ACCESS
TCHIDATA
TCHIDATAB
FRAMER
TEST PATTERN DETECTOR
– MARK (ALLONES)
– QRSS (QUASI-RANDOM: 2
20
– 1)
– 2
– 1
– 2
6
– 1 (53)
– 2
9
– 1 (511)
– 2
11
– 1 (2047)
– 2
15
– 1 (PSEUDORANDOM)
– 2
20
– 1
– 2
23
– 1
– 1:1 (ALTERNATING 10)