Rainbow Electronics DS3184 User Manual
Product preview
PRODUCT BRIEF
Maxim/Dallas Semiconductor Confidential
Note: This Product Preview contains preliminary information and is subject to change without notice.
Some revisions of this device may incorporate deviations from published specifications known as errata.
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PRELIMINARY
PRODUCT BRIEF
PRODUCT BRIEF
PRODUCT PREVIEW
DS3181,2,3,4 Multi-Port ATM/Packet PHYs
For DS3/E3 with Built-In LIUs
FEATURES
• Quad (DS3184), triple (DS3183), dual
(DS3182) or single (DS3181) with integrated
LIU ATM / Packet PHYs for DS3 and E3
• Each port independently configurable
• Performs receive clock/data recovery and
transmit wave shaping
• Jitter attenuators can be placed either in the
receive or transmit paths
• Interfaces to 75Ω coaxial cable at lengths up
to 380 meters or 1246 feet (DS3) or 440
meters or 1443 feet (E3)
• Uses 1:2 transformers on both Tx and Rx
• Requires minimal external components
• Universal PHYs map ATM cells and/or
HDLC packets into DS3 or E3 data streams
• UTOPIA 2 or 3 or POS-PHY 2 or 3 interface
with 8, 16, or 32 bit bus width up to 66 MHz
• Ports independently configurable for cell or
packet traffic in POS-PHY bus modes
• Direct, PLCP and clear-channel cell mapping
• Direct and clear-channel packet mapping
• On-chip DS3 (M23 or C-bit) and E3 (G.751
or G.832) framers
• Ports independently configurable for DS3, E3
or arbitrary framing protocol up to 52 Mbps
• Programmable (externally controlled or
internally hardware based engine) subrate
DS3/E3 circuitry
• Full featured DS3/E3/PLCP alarms
• Built-in HDLC controllers with 256 byte
FIFOs for DS3 PMDL, G.751 Sn bit or G.832
NR/GC bytes
• On-chip BERTs for PRBS and repetitive
pattern generation, detection and analysis
• Large performance-monitoring counters for
accumulation intervals up to 1 second
• Flexible overhead insertion/extraction ports
for DS3, E3 and PLCP framers
• Loopback include line, diagnostic, framer
payload and system interface
• Ports can be disabled to reduce power
• Integrates clock rate adapter to generate the
required 44.736 MHz for DS3, 34.368 MHz
for E3, and/or 52 MHz for arbitrary framing
protocol up to 52 Mbps
• 8/16-bit generic microprocessor interface
• Low power 3.3V operation (5V tolerant I/O)
• Small high-density Thermally Enhanced (TE)
Chip Scale BGA packaging
• Industrial temperature range: -40 to +85°C
•
IEEE 1149.1 JTAG test port
www.maxim-ic.com/telecom
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Rev 1.5
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Table of contents
Document Outline
- FEATURES
- Quad (DS3184), triple (DS3183), dual (DS3182) or single (DS3181) with integrated LIU ATM / Packet PHYs for DS3 and E3
- Each port independently configurable
- Performs receive clock/data recovery and transmit wave shaping
- Jitter attenuators can be placed either in the receive or transmit paths
- Interfaces to 75( coaxial cable at lengths up to 380 meters or 1246 feet (DS3) or 440 meters or 1443 feet (E3)
- Uses 1:2 transformers on both Tx and Rx
- Requires minimal external components
- Universal PHYs map ATM cells and/or HDLC packets into DS3 or E3 data streams
- UTOPIA 2 or 3 or POS-PHY 2 or 3 interface with 8, 16, or 32 bit bus width up to 66 MHz
- Ports independently configurable for cell or packet traffic in POS-PHY bus modes
- Direct, PLCP and clear-channel cell mapping
- Direct and clear-channel packet mapping
- On-chip DS3 (M23 or C-bit) and E3 (G.751 or G.832) framers
- Ports independently configurable for DS3, E3 or arbitrary framing protocol up to 52 Mbps
- Programmable (externally controlled or internally hardware based engine) subrate DS3/E3 circuitry
- Full featured DS3/E3/PLCP alarms
- Built-in HDLC controllers with 256 byte FIFOs for DS3 PMDL, G.751 Sn bit or G.832 NR/GC bytes
- On-chip BERTs for PRBS and repetitive pattern generation, detection and analysis
- Large performance-monitoring counters for accumulation intervals up to 1 second
- Flexible overhead insertion/extraction ports for DS3, E3 and PLCP framers
- Loopback include line, diagnostic, framer payload and system interface
- Ports can be disabled to reduce power
- Integrates clock rate adapter to generate the required 44.736 MHz for DS3, 34.368 MHz for E3, and/or 52 MHz for arbitrary framing protocol up to 52 Mbps
- 8/16-bit generic microprocessor interface
- Low power 3.3V operation (5V tolerant I/O)
- Small high-density Thermally Enhanced (TE) Chip Scale BGA packaging
- Industrial temperature range: -40 to +85(C
- IEEE 1149.1 JTAG test port
- FUNCTIONAL DIAGRAM
- ORDERING INFORMATION
- Commercial Temperature Range (0(C to 70(C)
- DS3181Single400-lead TE-CSBGA
- DS3182Dual400-lead TE-CSBGA
- DS3183Triple400-lead TE-CSBGA
- DS3184Quad400-lead TE-CSBGA
- Industrial Temperature Range (-40(C to 85(C)
- DS3181NSingle400-lead TE-CSBGA
- DS3182NDual400-lead TE-CSBGA
- DS3183NTriple400-lead TE-CSBGA
- DS3184NQuad400-lead TE-CSBGA
- DESCRIPTION
- The DS3184 (quad), DS3183 (triple), DS3182 (dual), and DS3181 (single) PHYs perform all of the functions necessary for mapping/demapping ATM cells and/or packets into as many as four DS3/E3 data streams on T3 or E3 physical copper lines. Each lin
- BLOCK DIAGRAMS
- Figure 1-1 shows the external components required at each LIU interface for proper operation. Figure 1-2 shows the functional block diagram of one channel ATM / Packet PHY.
- Figure 1-1 LIU External Connections
- Figure 1-2 Functional Block Diagram
- APPLICATIONS
- Access Concentrators
- Multi-Service Access Platforms
- ATM and Frame Relay Equipment
- Routers and Switches
- SONET/SDH ADM
- SONET/SDH Muxes
- PBXs
- Digital Cross Connect
- PDH Multiplexer/Demultiplexer
- Test Equipment
- The following figures, Figure 2-1 and Figure 2-2, show applications for DS3184 as four port unchannelized ATM and packet T3/E3 line cards, respectively.
- Figure 2-1 Four-Port Unchannelized ATM over T3/E3 Line Card
- Figure 2-2 Four-Port Unchannelized HDLC over T3/E3 Line Card
- FEATURE DETAILS
- The following sections describe the features provided by the DS3184 (quad), DS3183 (triple), DS3182 (dual), and DS3181 (single) PHYs.
- System interface configurable for UTOPIA 2 / UTOPIA 3 for ATM cell traffic or POS-PHY 2 / POS-PHY 3 for HDLC or mixed packet/cell traffic
- Supports the following transmission protocols:
- Direct-mapped ATM over DS3 or subrate DS3
- PLCP-mapped ATM over DS3
- Direct-mapped ATM over G.751 E3 or subrate G.751 E3
- PLCP-mapped ATM over G.751 E3
- Direct-mapped ATM over G.832 E3 or subrate G.832 E3
- Direct-mapped ATM over externally-defined frame formats up to 52 Mbps
- Clear-channel ATM (cell-based physical layer) at line rates up to 52 Mbps
- Direct-mapped HDLC over DS3 or subrate DS3
- Direct-mapped HDLC over G.751 E3 or subrate G.751 E3
- Direct-mapped HDLC over G.832 E3 or subrate G.832 E3
- Direct-mapped HDLC over externally-defined frame formats up to 52 Mbps
- Clear-channel HDLC at line rates up to 52 Mbps
- In UTOPIA bus mode, ports are independently configurable for any ATM protocol
- In POS-PHY bus mode, ports are independently configurable for any ATM or HDLC protocol
- Provides all necessary I/O to support externally controlled subrate DS3 or E3 on any ports
- Supports gapped 52 MHz clock rates for signals embedded in SONET/SDH
- Clock, data and control signals can be inverted to allow a glueless interface to other devices
- Detection of loss of transmit clock and loss of receive clock
- Manual or automatic one-second update of performance monitoring counters
- Each port can be put into a low-power standby mode when not being used
- AGC/Equalizer block handles from 0 dB to 15 dB of cable loss
- Loss-of-lock PLL status indication
- Interfaces directly to a DSX monitor signal (20 dB flat loss) using built-in pre-amp
- Digital and analog Loss of Signal (LOS) detectors (ANSI T1.231 and ITU G.775)
- Per-channel power-down control
- Frame synchronization for M23 or C-bit Parity DS3, G.751 E3 or G.832 E3
- B3ZS/HDB3 decoding
- Detection and accumulation of bipolar violations (BPV), code violations (CV), excessive zeroes occurrences (EXZ), F-bit errors, M-bit errors, FAS errors, LOF occurrences, P-bit parity errors, CP-bit parity errors, BIP-8 errors, and far end block er
- Detection of RDI, AIS, DS3 idle signal, loss of signal (LOS), severely error framing event (SEFE), change of frame alignment (COFA), receipt of B3ZS/HDB3 codewords, DS3 application ID bit, DS3 M23/C-bit format mismatch, G.751 national bit, and G.83
- HDLC controller with 256 byte FIFO for DS3 path maintenance data link (PMDL), G.751 national bit, or G.832 NR/GC channels
- FEAC controller with four-codeword FIFO for DS3 FEAC channel
- 16-byte Trail Trace Buffer compares and stores G.832 trail access point identifier
- C bits configurable as payload or overhead
- Most framing overhead fields presented on the receive overhead port
- Framer pass-through mode for clear channel applications and externally defined frame formats
- Built-in support for subrate DS3/E3
- PLCP frame synchronization
- C1 cycle/stuff counter interpretation
- Detection of out of frame (OOF), BIP-8 errors, FEBE and RAI (Yellow Signal)
- Frame timing is presented on the 8KREFO output pin
- All path overhead fields presented on the PLCP receive overhead port
- HEC-based cell delineation within the DS3/E3 frame, the PLCP frame, an externally defined frame, or the entire line bandwidth
- Cell descrambling using the self-synchronizing scrambler (x43+1) for ATM over DS3/E3 or the distributed sample scrambler for clear-channel ATM (cell-based physical layer)
- HEC error detection and correction; HEC discard
- Filtering of idle, unassigned and/or invalid cells (provisionable)
- Header pattern comparison vs. 32-bit header pattern and mask registers; counting of matching or non-matching cells; discard of matching or non-matching cells
- Four-cell Receive FIFO
- Controls include enables/disables/settings for: cell processing, coset polynomial addition, error correction, erred cell extraction, cell descrambling, idle/unassigned/invalid cell filtering, header pattern match counting/discarding, LCD integration time
- Status fields include: out of cell delineation (OCD), loss of cell delineation (LCD) and receipt of idle, unassigned, invalid, erred, corrected or header-pattern-match cells
- Performance monitoring counters for forwarded cells, corrected cells, uncorrectable cells, header pattern match/no-match cells, and filtered idle/unassigned/invalid cells
- Packet descrambling using the self-synchronizing scrambler (x43+1)
- Flag detection, packet delineation, and interframe fill discard (flags and all-ones)
- Packet abort detection and accumulation
- Bit or octet destuffing
- FCS checking (16-bit or 32-bit), error accumulation, and FCS discard
- Packet size checking vs. programmable minimum and maximum size registers
- Abort declaration for packets with non-integral number of bytes
- Controls include enables/disables/settings for: packet processing, descrambling, 16/32-bit FCS, filtering of FCS erred packets, FCS discard, minimum/maximum packet size
- Status fields include: receipt of FCS erred packet, aborted packet, size violation packet, non-integer-length packets
- Performance monitoring counters for forwarded packets, forwarded bytes, aborted bytes, FCS erred packets, aborted packets, size violation packets (min, max, non-integer-length)
- Storage capacity for four cells or 256 bytes of packet data
- Programmable port address
- Programmable fill level thresholds
- Underflow and overflow status indications
- UTOPIA 2 / UTOPIA 3 interface in cell mode, POS-PHY 2 / POS-PHY 3 interface in packet or mixed traffic modes
- 8, 16, or 32 bit data bus at clock rates from 10 MHz to 66 MHz
- Polled and direct cell available outputs
- Controls include enables/disables/settings for: HEC transfer, signal inversions, parity enable/polarity, cell available desertion time
- UTOPIA 2 / UTOPIA 3 interface in cell mode, POS-PHY 2 / POS-PHY 3 interface in packet or mixed traffic modes
- 8, 16, or 32 bit data bus at clock rates from 10 MHz to 66 MHz
- Polled and direct cell available outputs
- Controls include enables/disables/settings for: HEC transfer, signal inversions, parity enable/polarity, cell available desertion time
- Storage capacity for four cells or 256 bytes of packet data
- Programmable port address
- Programmable fill level thresholds
- Underflow and overflow status indications
- Programmable fill cell type
- HEC calculation and insertion/overwrite, including coset addition
- Cell scrambling using the self-synchronizing scrambler (x43+1) for ATM over DS3/E3 or the distributed sample scrambler for clear-channel ATM (cell-based physical layer)
- Single-bit and multiple-bit header error insertion for diagnostics
- Controls include enables/disables/settings for: cell processing, HEC insertion, coset polynomial addition, cell scrambling, fill cell type, error insertion type/rate/count, HEC bit corruption
- Counter for number of cells read from the transmit FIFO
- Cell mapping into the DS3/E3 frame, the PLCP frame, an externally defined frame, or the entire line bandwidth
- FCS calculation (16-bit or 32-bit) and insertion/overwrite
- Programmable FCS error insertion for diagnostics
- Bit or octet stuffing
- Programmable inter-frame fill insertion (flags or all-ones)
- Automatic packet abort insertion
- Packet scrambling using the self-synchronizing scrambler (x43+1)
- Controls include enables/disables/settings for: packet processing, FCS insertion or overwrite, 16/32-bit FCS, inter-frame fill type/length, scrambling, FCS error insertion type/rate/count
- Counters for number of packets and bytes read from the transmit FIFO
- Insertion of FAS bytes (A1, A2), path overhead identification (POI) bytes, and path overhead bytes
- Generation of BIP-8 (B1), FEBE and RAI (G1)
- C1 cycle/stuff counter generation referenced to the 8KREFI input pin, referenced to the received PLCP timing, or based on a fixed stuff pattern
- Automatic or manual insertion of FAS errors, BIP-8 errors
- All path overhead fields can be sourced from the PLCP transmit overhead port
- Insertion of framing overhead for M23 or C-bit parity DS3, G.751 E3 or G.832 E3
- B3ZS/HDB3 encoding
- Generation of RDI, AIS, DS3 idle signal, and G.832-E3 RDI
- Automatic or manual insertion of bipolar violations (BPVs), excessive zeroes (EXZ) occurrences, F-bit errors, M-bit errors, FAS errors, P-bit parity errors, CP-bit parity errors, BIP-8 errors, and far end block errors (FEBE)
- HDLC controller with 256 byte FIFO for DS3 path maintenance data link (PMDL), G.751 national bit, or G.832 NR or GC channels
- FEAC controller for DS3 FEAC channel can be configured to send one codeword, one codeword continuously, or two different codewords back-to-back to send DS3 Line Loopback commands
- 16-byte Trail Trace Buffer sources the G.832 trail access point identifier
- Insertion of G.832 payload type and timing marker bits from registers
- C bits configurable as payload or overhead; as overhead they can be controlled from registers or the transmit overhead port
- Most framing overhead fields can be sourced from transmit overhead port
- Formatter pass-through mode for clear channel applications and externally defined frame formats
- Built-in support for subrate DS3/E3
- Wide 50(20% transmit clock duty cycle
- Line Build-Out (LBO) control
- Tri-state line driver outputs support protection switching applications
- Per-channel power-down control
- Output driver monitor
- 256-byte receive and transmit FIFOs
- Handles all of the normal Layer 2 tasks including zero stuffing/destuffing, FCS generation/checking, abort generation/checking, flag generation/detection, and byte alignment
- Programmable high or low water marks for the transmit and receive FIFOs
- Terminates the Path Maintenance Data Link in DS3 C-bit Parity mode or the G.751 Sn bit or the G.832 NR or GC channels
- Designed to handle multiple FEAC codewords without Host intervention
- Receive FEAC automatically validates incoming codewords and stores them in a 4-codeword FIFO
- Transmit FEAC can be configured to send one codeword, one codeword continuously, or two different codewords back-to-back to send DS3 Line Loopback commands
- Terminates the FEAC channel in DS3 C-Bit Parity mode or the Sn bit in E3 mode
- Extraction and storage of the incoming G.832 trail access point identifier in a 16-byte receive register
- Insertion of the outgoing trail access point identifier from a 16-byte transmit register
- Receive trace identifier unstable status indication
- Generates and detects pseudo-random patterns and repetitive patterns from 1 to 32 bits in length
- Supports pattern insertion/extraction in PLCP payload, DS3/E3 payload, or entire data stream
- Large 24-bit error counter allows testing to proceed for long periods without host intervention
- Errors can be inserted in the generated BERT patterns for diagnostic purposes (single bit errors or specific bit-error rates)
- Fully integrated, requires no external components
- Standards-compliant jitter attenuation/jitter transfer
- Can be inserted into the receive path or the transmit path
- 16-bit buffer depth
- Line terminal loopback (transmit to receive)
- Line facility loopback (receive to transmit) with optionally transmitting unframed all-one payload toward system/trunk interface
- Framer diagnostic loopback (transmit to receive) with optionally transmitting unframed all-one signal toward line/tributary interface
- Simultaneous line facility loopback and framer diagnostic loopback
- Framer payload loopback (receive to transmit) with optionally transmitting unframed all-one payload toward system/trunk interface
- System interface loopback (transmit to receive)
- Multiplexed or non-multiplexed 8 or 16-bit control port
- Intel and Motorola bus compatible
- Global reset input pin
- Global interrupt output pin
- Two programmable I/O pins per port
- Independent per port built-in support for subrate DS3 or E3
- Independent subrate operation for both Rx and Tx data paths
- Subrate operation for each channel is totally ind
- Three distinct subrate algorithms:
- (FFRAC) Externally controlled with DS3 or E3 payload manipulating capability
- (XFRAC) Externally controlled with simple DS3 or E3 data rate reduction capability
- (IFRAC) Internally controlled with flexible DS3 or E3 data rate reduction capability
- Subrate algorithm selection is on per port basis
- Internal subrate mechanism allows down to bit-level granularity of the DS3 or E3 payload
- STANDARDS COMPLIANCE
- Specification
- Specification Title
- ANSI
- T1.102-1993
- Digital Hierarchy – Electrical Interfaces
- T1.107-1995
- Digital Hierarchy – Formats Specification
- T1.231-1997
- Digital Hierarchy – Layer 1 In-Service Digital Tr
- T1.404-1994
- Network-to-Customer Installation – DS3 Metallic I
- T1.646-1995
- Broadband ISDN – Physical Layer Specification for
- ATM Forum
- af-phy-0034.000
- E3 Public UNI, August, 1995
- af-phy-0039.000
- UTOPIA Level 2, Version 1.0, June, 1995
- af-phy-0043.000
- A Cell-Based Transmission Convergence Sublayer for Clear Channel Interfaces, November, 1995
- af-phy-0054.000
- DS3 Physical Layer Interface Specification, January, 1996
- af-phy-0136.000
- UTOPIA 3 Physical Layer Interface, November, 1999
- af-phy-0143.000
- Frame-based ATM Interface (Level 3), March, 2000
- af-bici-0013.003
- BISDN Inter Carrier Interface (B-ICI) Specification Version 2.0 (Integrated), December, 1995
- ETSI
- ETS 300 686
- Business TeleCommunications; 34Mbps and 140Mbits/s digital leased lines (D34U, D34S, D140U and D140S); Network interface presentation, 1996
- ETS 300 687
- Business TeleCommunications; 34Mbps digital leased lines (D34U and D34S); Connection characteristics, 1996
- TBR 24
- Business TeleCommunications; 34Mbps digital unstructured and structured lease lines; attachment requirements for terminal equipment interface, 1997
- ETS 300 337
- Transmission and Multiplexing (TM); Generic frame structures for the transport of various signals (including Asynchronous Transfer Mode (ATM) cells and Synchronous Digital Hierarchy (SDH) elements) at the ITU-T Recommendation G.702 hierarchical r
- ETS 300 689
- Business TeleCommunications (BTC); 34 Mbps digital leased lines (D34U and D34S), Terminal equipment interface, V 1.2.1, 2001-07
- IEEE
- IEEE Std 1149-1990
- IEEE Standard Test Access Port and Boundary-Scan Architecture, (Includes IEEE Std 1149-1993) October 21, 1993
- IETF
- RFC 1661
- The Point-to-Point Protocol (PPP), July, 1994
- RFC 1662
- PPP in HDLC-like Framing, July, 1994
- RFC 2496
- Definition of Managed Objects for the DS3/E3 Interface Type, January, 1999
- ISO
- ISO 3309:1993
- Information Technology – Telecommunications & inf
- ITU-T
- G.703
- Physical/Electrical Characteristics of Hierarchical Digital Interfaces, 1991
- G.704
- Synchronous Frame Structures Used at 1544, 6312, 2048, 8488 and 44 736 kbit/s Hierarchical Levels, July, 1995
- G.751
- Digital Multiplex Equipment Operating at the Third Order Bit Rate of 34,368 kbit/s and the Fourth Order bit Rate of 139,264 kbit/s and Using Positive Justification, 1993
- G.775
- Loss Of Signal (LOS) and Alarm Indication Signal (AIS) Defect Detection and Clearance Criteria, November, 1994
- G.804
- ATM Cell Mapping Into Plesiochronous Digital Hierarchy (PDH), November, 1993
- G.823
- The Control of Jitter and Wander Within Digital Networks Which are Based on the 2048 kbit/s Hierarchy, 1993
- G.832
- Transport of SDH Elements on PDH Networks – Frame
- I.432
- B-ISDN User-Network Interface – Physical Layer Sp
- O.151
- Error Performance Measuring Equipment Operating at the Primary Rate and Above, October, 1992
- Q.921
- ISDN User-Network Interface – Data Link Layer Spe
- OIF
- OIF-SPI3-01.0
- System Packet Interface Level 3 (SPI-3): OC-48 System Interface for Physical and Link Layer Devices
- Saturn( Group
- POS-PHY 2
- POS-PHYTM Level 2 Packet Over SONET Interface Specification for Physical Layer Devices, December, 1998
- POS-PHY 3
- POS-PHY Level 3 Packet Over SONET Interface Specification for Physical and Link Layer Devices, June, 2000
- Telcordia
- GR-253-CORE
- SONET Transport Systems: Common Generic Criteria, Issue 2, December 1995
- GR-499-CORE
- Transport Systems Generic Requirements (TSGR): Common Requirements, Issue 2, December 1998
- GR-820-CORE
- Generic Digital Transmission Surveillance, Issue 1, November 1994
- Saturn and POS-PHY are trademarks of PMC-Sierra, Inc.
- PACKAGE MECHANICAL DIMENSIONS
- The target package is a 27x27 mm 400-lead TE-CSBGA with ball pitch of 1.27mm for all port density configuration.
- POWER ESTIMATE
- Current typical power estimate is 2.7 Watts at 3.3V (pending mode of operation).