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| T3 Line Interface Connector: | BNC connector per ANSI T1.404 |
| T3 Cable Recommended: | Coax, 75 ohm, 728A or equivalent |
| T3 Line Signal: | DSX-3 Specification per ANSI T1.102 and ATT PUB 54014 |
| T3 Line Rate: | 44.736 Mbps ± 895 bps |
| T3 Framing: | Asynch. C-bit Parity per ANSI T1.107a |
| Input Jitter Tolerance: | Per ATT TR 54014, Category II Equipment |
| Output Jitter Generation: | Per ATT TR 54014, Table B1, "Equipment with DS3 Oscillator" Category |
| PMD Layer Alarms: | LOS, OOF, AIS, RAI |
| PMD Layer Performance Statistics: | LCV, LES,%EFS, LSES, SEFS, PCV, PES, PSES, SEFS, UAS |
| Trans. Convergence Protocol: | PLCP per TR-TSV-000773 |
| TC Layer Alarms: | OOF, RAI |
| TC Layer Performance Statistics: | BIP8-CV, BIP8-ES, BIP8-SES, SEFS, UAS |
| ATM Layer Protocol: | Per CCITT I.36. Header check sum is XORed with the COSET function (0x55) |
| ATM Layer Counters: | Number of cells received good Number of cells received and discarded due to bad HEC Number of cells transmitted good Number of cells received from CellBus Number of cells transmitted to CellBus |
| Diagnostics: | Header of first cell received with invalid egress translation entries Number of cells dropped due to invalid egress translation entries |
| Synchronization: | Derives 8KHz shelf synchronization clock from a variety of sources: · internal 8 kHz clock (10 ppm) · BNM-T3 PLCP · external T1/E1 clock port with a clock rate of |
| External OFfice clock interface: | DB15 connector via LM-T3E3-D (T1 clock) BNC connector via LM-T3E3-B (E1 clock) Alarm interface: CO compatible alarm indicator and counter DB15 connector |
| Indicators: | Per Card: Active (Green), Failed (Red), Standby (Yellow) T3 Interface: Active & Okay (Green) Active & Local Alarm (Red) Active & Remote Alarm (Yellow) Minor DS-3 Statistical Alarm |
| Maintenance/Serviceability Features: | Internal Isolation Loopbacks External remote loopback Hot-pluggable |
| Reliability: | > 65000 hours MTBF |
| Card Size: | BNM-T3: 7.25"x 16.25" LM-T3E3-D: 7.25" x 4.5" LM-T3E3-B: 7.25" x 4.5" |
| Power: | -48V DC, 25W |
| E3 Line Interface Connector: | BNC connector per ANSI T1.404 |
| E3 Cable Recommended: | Coax, 75 ohm, 728A or equivalent |
| E3 Line Signal | Per G.703 |
| E3 Line Rate: | 34.368 Mbps |
| E3 Framing: | G.832 and G.804 |
| Input Jitter Tolerance: | Per G.703 |
| Output Jitter Generation: | Per G.703 |
| PMD Layer Alarms: | LOS, OOF, AIS, RAI |
| PMD Layer Performance Statistics: | LCV, LES, %EFS, LSES, SEFS, PCV, PES, PSES, SEFS, UAS |
| Trans. Convergence Protocol: | PLCP per TR-TSV-000773 |
| TC Layer Alarms: | OOF, RAI |
| TC Layer Performance Statistics: | BIP8-CV, BIP8-ES, BIP8-SES, SEFS, UAS |
| ATM Layer Protocol: | Per CCITT I.36; Header check sum is XORed with the COSET function (0x55) |
| ATM Layer Counters: | Number of cells received good Number of cells received and discarded due to bad HEC Number of cells transmitted good Number of cells received from CellBus Number of cells transmitted to CellBus |
| Diagnostics: | Header of first cell received with invalid egress translation entries Number of cells dropped due to invalid egress translation entries Number of unacknowledged cells transmitted to CellBus |
| Synchronization: | Derives 8KHz shelf synchronization clock from a variety of sources:
E3 physical interface external T1/E1 clock port with a clock rate of 1.544 Mbps±50 bps (T1) or 2.048 Mbps±100 bps (E1) |
| External Office clock interface: | DB15 connector via LM-T3E3-D (T1 clock) BNC connector via LM-T3E3-B (E1 clock) |
| Alarm interface: | CO compatible alarm indicator and controls DB15 connector |
| Indicators: | |
| Per Card: | Active (Green), Failed (Red), Standby (Yellow) |
| E3 Interface: | Active & Okay (Green), Active & Local Alarm (Red), Active & Remote Alarm (Yellow) Minor DS-3 Statistical Alarm |
| Shelf Voltage: | A voltage OK (Green) B voltage OK (Green) |
| Alarms: | Major (Red), Minor (Yellow) ACO (Yellow), History (Green) |
| Maintenance/Serviceability Features: | Internal Isolation Loopbacks
External remote loopback Hot-pluggable |
| Card Size: | BNM-T3: 7.25" x 16.25"
LM-T3E3-D: 7.25" x 4.5" LM-T3E3-B: 7.25" x 4.5" |
| Power: | -48V DC, 25W |
| 802.3 LAN Interface Connector: | AUI interface via DB-15 connector control port: DB-25 RS232 connector; Asynch interface, 99200 baud, 1 start, 1 stop, No Parity |
| Trouble shooting interface: | Maintenance port: DB-25 RS232 connector; Asynch interface, 9600 baud, 1 start, 1 stop, No Parity |
| Indicators: | Per Card: Active (Green), Failed (Red), Standby (Yellow)
LAN activity flashing green |
| Maintenance/ Serviceability Features: | RS232 maintenance/debug port
Internal Isolation Loopbacks Hot-pluggable |
| Reliability: | > 65000 hours MTBF |
| Card Size: | ASC: 7.25" x 16.25"
LM_ASC: 7.0" x 4.5" |
| Power: | -48V DC, 25W |
| Line Interface connector: | DB15--when used with LM-DB15-4T1 line module |
| Line Rate: | 1.544 Mbps ± 50 bps |
| Line Framing: | ESF per ATT TR 54016 |
| Synchronization: | Transmitter may be either loop-timed to Receiver, or synchronized to shelf, (called normal mode) |
| Input Jitter Tolerance: | Per ATT TR 62411 |
| Output Jitter Generation: | Per ATT TR 62411 using normal mode synchronization |
| Physical Layer Alarms: | LOS, OOF, AIS, RAI |
| Number of Frame Relay Ports: | 1-Single frame relay stream occupying n consecutive time slots |
| Frame Relay Interface Rates: | Either 56 Kbps or n*64 Kbps; n as defined above |
| Frame Relay Interface: | Per ANSI T1.618, 2-octet header |
| Frame Relay Performance Counters (per Port; n x DS0): | Receive frames discarded due to Aborts Receive frames discarded due to illegal header (EA bit)(s) Receive frames discarded due to CRC errors (s) Receive frames discarded due to alignment errors (s) Receive frames discarded due to unknown DLCI (s) Receive frames discarded due to illegal frame length (s) Receive frames discarded due to DE threshold exceeded Receive frames with DE already set Receive frames with FECN already set Receive frames with BECN already set Receive frames tagged FECN Receive frames (s) Receive bytes (s) Transmit frames discarded due to underrun Transmit frames discarded due to Abort Transmit frames discarded due to egress Q-depth exceeded (s) Transmit bytes discarded due to egress Q-depth exceeded (s) Transmit frames discarded due to egress DE threshold exceeded Transmit frames (s) |
| Transmit bytes(s) Transmit Frames with FECN set (s) Transmit Frames with BECN set (s) | |
| LMI receive status inquiry request count (s) LMI transmit status inquiry request count LMI invalid receive status count (s) LMI signaling protocol (keep alive time-out count) (s) LMI sequence number error count (s) LMI receive status transmit count (in response to request) LMI transmit status transmit count (in response to request) Transmit frames during LMI alarm (s) Transmit bytes during LMI alarm (s) LMI update status transmit count (in response to configuration changes) | |
| Diagnostics (per port): | Last unknown DLCI received |
| ATM Layer: | Per CCITT I.361 and ATM UNI v3.1 |
| AAL Layer: | AAL5 per Draft CCITT I.363. |
| FR-Cell Interworking: | Per Draft CCITT I.555 and I.36x.1, as summarized in Frame Relay Forum, FR/ATM PVC Interworking Implementation Agreement FRF.5. |
| Channels (Endpoints): | 256 per card--may be allocated across any of the frame relay interfaces |
| Counters: | |
| Service Counters: | Number of frames received (s) Number of bytes received (s) Number of frames received with DE already set (s) Number of bytes received with DE already set (s) Number of frames received with unknown DLCI Number of frames received but discarded (s) Number of received bytes discarded (s) Number of received bytes discarded due to exceeded Q-depth (s) Number of frames received and discarded due to: intershelf alarm exceeded DE threshold (s) exceeded Q depth (s) Number of frames received with FECN set Number of frames received with BECN set Number of frames received tagged FECN Number of frames received tagged BECN |
| Number of frames transmitted (s) Number of bytes transmitted (s) | |
| Number of frames transmitted with DE set (s) Number of frames discarded due to reassembly errors (s) Number of frames transmitted during LMI logical port alarm(s) Number of frames transmitted with FECN set (s) Number of frames transmitted with BECN set (s) Number of transmit frames discarded (s) Number of transmit bytes discarded Number of transmit frames discarded due to: CRC error (s) egress Q depth exceeded (s) egress DE threshold exceeded source abort physical link failure (T1) ATM cells: Number of cells transmitted to BNM Number of cells transmitted with CLP bit set Number of OAM AIS cells transmitted (s) Number of OAM FERF cells transmitted (s) Number of BCM cells transmitted Number of OAM end-end loopback cells transmitted (s) Number of OAM segment loopback cells transmitted Number of cells received from BNM Number of cells received with CLP bit set Number of OAM AIS cells received (s) Number of OAM FERF cells received (s) Number of BCM cells received Number of OAM end-end loopback cells received (s) Number of OAM segment loopback cells received Number of OAM cells discarded due to CRC-10 error (s) | |
| Statistics: | All of the above counters followed by an (s) can be configured as statistics. |
| Diagnostics: | Last unknown LCN received Cells with unknown LCN count |
| Indicators: | |
| Per Card: | Active (Green), Standby (Yellow), Fail (Red) |
| Lines (one per): | Active & Okay (Green) Active & Local Alarm (Red) Active & Remote Alarm (Yellow) |
| Maintenance/Serviceability Features: | Internal Problem Isolation Loopbacks Hot-pluggable |
| Reliability: | > 65000 hours MTBF |
| Card Size: | FRSM-4T1: 7.25" x 16.25" LM-DB15-4T1: 7.0" x 4.5" Power: -48V DC, 30W (4 T1s) |
| Line Interface connector: | DB15--when used with LM-DB15-4E1 line module
BNC--when used with LM-BNC-4E1 line module |
| Line Rate: | 2.048 Mbps ± 100 b |
| Synchronization: | Transmitter may be either loop-timed to Receiver, or synchronized to shelf, (called normal mode) |
| Input Jitter Tolerance: | Per G.703 |
| Output Jitter Generation: | Per G.703 |
| Physical Layer Alarms: | LOS, OOF, AIS, RAI |
| Number of Frame Interfaces: | 1 to 31 occupying n where 1 < n < 31. Sum of all < 31 for CCS 1-30 for CAS |
| Frame Relay Interface Rates: | Either 56 Kbps or n*64 Kbps; n as defined above |
| Frame Relay Interface: | Per ANSI T1.618, 2-octet header |
| Frame Relay Performance Counters (per Port; n x DS0): | Receive frames discarded due to Aborts Receive frames discarded due to illegal header (EA bit)(s) Receive frames discarded due to CRC errors (s) Receive frames discarded due to alignment errors (s) Receive frames discarded due to unknown DLCI (s) Receive frames discarded due to illegal frame length (s) Receive frames discarded due to DE threshold exceeded Receive frames with DE already set Receive frames with FECN already set Receive frames with BECN already set Receive frames tagged FECN Receive frames (s) Receive bytes (s) |
| Transmit frames discarded due to underrun Transmit frames discarded due to Abort Transmit frames discarded due to egress Q-depth exceeded (s) Transmit bytes discarded due to egress Q-depth exceeded (s) Transmit frames discarded due to egress DE threshold exceeded Transmit frames (s) Transmit bytes(s) Transmit Frames with FECN set (s) Transmit Frames with BECN set (s) LMI receive status inquiry request count (s) LMI transmit status inquiry request count LMI invalid receive status count (s) LMI signaling protocol (keep alive time-out count) (s) LMI sequence number error count (s) LMI receive status transmit count (in response to request) LMI transmit status transmit count (in response to request) Transmit frames during LMI alarm (s) Transmit bytes during LMI alarm (s) LMI update status transmit count (in response to configuration changes) | |
| Diagnostics (per port): | Last unknown DLCI received |
| ATM Layer: | Per CCITT I.361 and ATM UNI v3.1 |
| AAL Layer: | AAL5 per Draft CCITT I.363 |
| FR-Cell Interworking: | Per Draft CCITT I.555 and I.36x.1, as summarized in "Frame Relay Forum, FR/ATM PVC Interworking Implementation Agreement FERF.5" |
| Channels (Endpoints): | 256 per card--may be allocated across any of the frame relay interfaces |
| Counters: | Service Counters: Number of frames received (s) Number of bytes received (s) Number of frames received with DE already set (s) Number of bytes received with DE already set (s) Number of frames received with unknown DLCI Number of frames received but discarded (s) Number of received bytes discarded (s) Number of received bytes discarded due to exceeded Q-Depth (s) Number of frames received and discarded due to: intershelf alarm exceeded DE threshold (s) exceeded Q depth (s) Number of frames received with FECN set Number of frames received with BECN set |
| Number of frames received tagged FECN Number of frames received tagged BECN Number of frames transmitted (s) Number of bytes transmitted (s) Number of frames transmitted with DE set (s) Number of frames discarded due to reassembly errors (s) Number of frames transmitted during LMI logical port alarm(s) Number of frames transmitted with FECN set (s) Number of frames transmitted with BECN set (s) Number of transmit frames discarded (s) Number of transmit bytes discarded Number of transmit frames discarded due to: CRC error (s) egress Q depth exceeded (s) egress DE threshold exceeded source abort physical link failure (T1) | |
| ATM cells: Number of cells transmitted to BNM Number of cells transmitted with CLP bit set Number of OAM AIS cells transmitted (s) Number of OAM FERF cells transmitted (s) Number of BCM cells transmitted Number of OAM end-end loopback cells transmitted (s) Number of OAM segment loopback cells transmitted Number of cells received from BNM Number of cells received with CLP bit set Number of OAM AIS cells received (s) Number of OAM FERF cells received (s) Number of BCM cells received Number of OAM end-end loopback cells received (s) Number of OAM segment loopback cells received Number of OAM cells discarded due to CRC-10 error (s) Statistics: All of the above counters followed by an (s) can be configured as statistics. Diagnostics: 8Last unknown LCN received Cells with unknown LCN count Card General | |
| Indicators: | Per Card: Active (Green), Standby (Yellow), Fail (Red) Lines (one per): Active & Okay (Green) Active & Local Alarm (Red) Active & Remote Alarm (Yellow) |
| Maintenance/Serviceability Features: | Internal Problem Isolation Loopbacks Hot-pluggable |
| Card Size: | FRSM-4E1: 7.25" x 16.25" LM-DB15-4E1: 7.0" x 4.5" LM-BNC-4E1: 7.0" x 4.5" |
| Power: | -48V DC, 30W (4 E1s) |
| Ingress | 8000 cell buffer shared between virtual channels/paths Standard Usage Parameter Control (UPC) Selective Cell Discard Virtual Circuit Queuing EFCI setting per VC |
| Egress | 8000 cell storage capacity shared between four ports Up to 12 user selectable Egress Queues per port Selective Cell Discard EFCI setting per Queue |
| Line Interface Connector | Miniature 15 pin female DB-15 (100 W)--(Use LM-DB15-4T1) |
| Line Rate: | 1.544 Mbps ± 50 bps (T1) |
| Synchronization: | Transmitter may be either loop-timed or Receiver, or synchronized to shelf (called normal mode) |
| Line Code: | Bipolar 8 Zero Substitution (B8ZS) as specified in ANSI T1.408 (T1) |
| Line Framing: | Extended Superframe Format (ESF 24 frame multiframe) as ANSI T1.408 |
| ESF Maintenance Functions: | Bit-oriented alarm and loopback messages of ESF Data Link as per ANSI T1.408 |
| Input Jitter Tolerance: | Per ATT TR 62411 |
| Output Jitter Tolerance: | Per ATT TR 62411 using normal mode synchronization |
| Physical Layer Alarms: | LOS, OOF, AIS, RAI |
| Physical Layer Performance Stats: | LCV, LES, LSES, CV, ES, SES, SEFS, AISS, UAS |
| Line Interface Connector | Miniature 15 pin female DB-15 (120 W)--(Use LM-DB15-4E1), BNC (120 W)--(Use LM-BNC-4E1) |
| Line Rate: | 2.048 Mbps ± 50 bps (E1) |
| Synchronization: | Transmitter may be either loop-timed or Receiver, or synchronized to shelf (called normal mode) |
| Line Code: | HDB3 (E1) |
| Line Framing: | 16 frame Multiframe as in G.704 |
| Input Jitter Tolerance: | As specified in ITU G.823 for 2.048 Mbit/s |
| Output Jitter Tolerance: | As specified in ITU G.823 for 2.048 Mbit/s |
| Physical Layer Alarms: | LOS, OOF, AIS, RAI |
| Physical Layer Performance Stats: | LCV, LES, LSES, CV, ES, SES, SEFS, AISS, UAS |
| ATM UNI v3.1, ITU-T G.804, per CCITT I.361 | |
| Channel Configuration: | 256 per card May be allocated across any of the T1 (E1) ports |
| VPI/VCI: | VPI: 0-255 VCI: 0-4096 |
| Traffic Classes: | CBR, VBR, VBR+ |
| UPC Parameters: | PCR, SCR (VBR), CCDV (CBR) |
| Congestion Control Support: | ForeSight (towards Network for VBR+) |
| ForeSight Parameters: | MIR, PIR, Rate Up, Rate Down, QIR, QIR Timeout, IBS |
| Counters: | |
| Per Port: | Number of cells received from the interface. Number or cells received with unknown VPI/VCI. Last known VPI/VCI received from the port. Number of cells discarded due to error in Cell Header. Number of cells received with non zero GRC field. Number of cells transmitted to the interface. Number of cells transmitted for which EFCI was set. Number of egress cells discarded due to service interface physical alarm. |
| Endpoint (channel): | |
| Ingress: | Number of cells received from port. Number of cells received from the port with CLP = 1. Number of cells received from the port with EFCI = 1. Number of cells from the port discarded due to queue exceeded QDepth. Number of cells (with CLP) set) discarded due to queue exceeded CLP threshold. Number of cells from the port for which CLP was set due to UPC violations. |
| ATMizer channel counters: | |
| Ingress: | Number of cells transmitted to CellBus. Number of cells to CellBus for which EFCI was set. Number of cells to CellBus discarded due to shelf alarm. |
| Egress: | Number of cells received from the CellBus Number of cells discarded due to queue exceeded QDepth (per Egress Q) Number of cells discarded due to queue exceeded CLP threshold (per Egress Q) Number of cells received with CLP = 1 |
| Other Counters: | . |
| Ingress: | Number of OAM cells discarded. Number of AIS cells received from the port. Number of RDI (FERF) cells received from the port. Number SegmentLpBk cells received from the port. Number of SegmentLpBk cells transmitted to CellBus. |
| Egress: | Number of OAM cells discarded. Number of AIS cells transmitted to the port. Number of SegmentLpBk cells transmitted to the port. Number of SegmentLpBk cells received from the port. |
| Diagnostic Stats: | Peak Queue Depth (Ingress: per channel). |
| Indicators: | |
| Per Card: | Active (green), Standby (yellow), Fail (red) |
| Per Line: | One per line: Active & OK (green) Active and Local Alarm (red) Active and Remote Alarm (yellow) |
| Maintenance/Serviceability: | Facility loopback via Loop up/down per ANSI T1.408 & AT&T TR 62411 (T1), CCITT G.7xx (E1) Facility Loopback via Management Console Internal Problem Isolation Loopbacks Hot pluggable |
| Card Size: | 7.25" x 15" |
| Power: | -48VDC, 30 W |
| Safety: | EN 60950 2nd edition (including EN 41003) UL 1950 2nd edition |
| Compliance: | T1: Accunet 62411 E1: G.703, G.823 |
| ESD: | IEC 1000-4-2 |
| Synchronization: | Transmitter is synchronized to the shelf (Stratum traceable) |
| Line Framing: | None |
| Channel Configuration: | |
| Number of CBR Interfaces: | 4 |
| Cell Delay Variation (CDV): | Configurable by setting reassembly buffer depth to a maximum of 250 msec. CDV = 1/2 buffer depth |
Channels (Endpoints): | One per physical por | |
| Counters: | MIB Name | |
| AAL1: | ||
| Number of lost SAR-PDUs Number of buffer overflow events Number of buffer underflow events Number of SAR-PDU's with header error Number of SAR-PDU's received out of sequence Number of cells played out to T1/E1 port Number of cell generated from T1/E1 port Number of bytes discarded due to shelf alarm, from port Number of all 1's cells inserted during buffer underflow Number of bytes discarded due to egress overflow | cesLostCells cesBufOverflows cesBufUnderflows cesHdrErrs cesCellSeqMismatchCnt cesReassCells cesGenCells cesIngrDiscardedBytes cesUflowInsCells cesOflowDropBytes | |
| Diagnostic: | Egress buffer depth (per port) | |
| Alarms: | MIB Name | |
| T1/E1 Port: | Red, Loss of Signal (LOS)
Blue, Alarm Indication Signal (AIS) | LineAlarmState--bit 5 set
LineAlarmState--bit 2, set and cesChanState = 3 |
| Line Code Violation (LVC) | LineStatisticalAlarmState | |
| SAR Port: | ||
| Transmit state: | SendingAIS
Sending FERF | cesXmtATMState = 3
cesXmtATMState = 4 |
| Receiving state: | ||
| Receiving AIS
Receiving FERF Cell Loss | cesRcvATMstate = 3
cesRcvATMstate = 4 cesCellLossStatus = 2 | |
| T1 Line Interface connector: | Miniature RJ-48C, 100 ohms balanced |
| T3 Line Interface connector: | BNC, 75 ohms unbalanced |
| Physical Interface (E3.E1) RJ48-E3E1-LM: | |
| E1 Line Interface connector: | Miniature RJ-48C, 100 ohms balanced |
| E3 Line Interface connector: | BNC, 75 ohms unbalanced |
| Physical Interface (E3.E1B) SMB-E3E1-LM: | |
| E1 Line Interface connector: | Miniature SMB, 75 ohms unbalanced |
| E3 Line Interface connector: | Miniature SMB, 75 ohms unbalanced |
| Line rate: | 1.544Mbps +/- 50 bps. |
| IMATM Synchronization: | Digital PLL to synchronize all transmitters to a choice of one of the following: the T3 line, any of the T1 lines, the MGX 8220 shelf 8KHz clock. |
| Line Code: | Bipolar 8 zero substitution (B8ZS) as specified in ANSI T1.408. |
| Line Framing: | Extended Superframe Format (ESF 24 frame multifrm) as in ANSI T1.408. |
| Input Jitter Tolerance: | Per ATT TR 62411. |
| Output Jitter Tolerance: | Per ATT TR 62411 using normal mode synchronization. |
| Physical Layer Alarms: | LOS, OOF, AIS, RDI. |
| Physical Layer Performance Parms: | LCV, LES, LSES, CV, ES, SES, SEFS, AISS, UAS. |
| Line rate: | 2.048Mbps +/- 50 bps |
| IMATM Synchronization: | Digital PLL to synchronize all transmitters to a choice of one of the following: the E3 line, any of the E1 lines, the MGX 8220 shelf 8KHz clock. |
| Line Code: | HDB3 (E1). |
| Line Framing: | 16 frame Multiframe as in G.704. |
| ESF Maintenance Functions: | None. |
| Input Jitter Tolerance: | As specified in ITU G.823 for 2.048 Mbits/s. |
| Output Jitter Tolerance: | As specified in ITU G.823 for 2.048 Mbits/s. |
| Physical Layer Alarms: | LOS, OOF, AIS, RDI. |
| Physical Layer Performance Parms: | LCV, LES, LSES, CV, ES, SES, SEFS, AISS, UAS. |
| Line Rate: | 44.736 Mbps ±200 ppm (T3) |
| Line Code: | B3ZS for DS3 |
| Framing: | Physical Layer Conversion Procedure for DS3 to ANSI TA-TSY-000772 and TA-TSY-000773 |
| Input Compliance: | Per ATT 54014 and CCITT G.703 |
| Line Rate: | 36.368 Mbps ±200 ppm (T3) |
| Line Code: | HDB for E3 |
| Framing: | Per ITU-T Recommendation G.804 and G.832 |
| Input Compliance: | Per CCITT G.824 |
| ATM Interface: | |
| Cell support (type): | STI cells |
| Congestion Control: | EFCI/FFCI setting on Egress (AIM) |
| EFCI setup: | Via programmable EFCI threshold |
| IMAIM Alarms: | IMAIM complies with DS3 and G.832 physical layer protocols: Supports FERF, LOS, LOF, OOF, AIS, yellow and red alarms |
| Counters: | |
| High Speed Port: | DS3/E3 physical layer line alarm indication and insertion DS3/E3 SUNI-PDh number of cells: Tx and Rx PLL clock recovery status |
| AIM Group: | Number of cells received from AIM interface Number of cell discarded due to error in Cell Header Number of cells from AIM interface discarded due to Queue Full on both Ingress and Egress directions Number of ACP cells received Number of ACP cells received with errors Number of LCP cells received Number of LCP cells received with errors |
| Number of cells served from Egress queue to AIM interface Number of cell transmitted by trunk interface, two types: Date and Filler + Data Number of times a link went off the IMAIM group | |
| ATMizer (Cellbus) counters: | |
| Ingress: | Number of cells transmitted. Number of cells discarded due to shelf alarm |
| Egress: | Number of cells received Number of cells discarded due to queue depth exceeded QDepth |
| Indicators: | |
| Per Card: | Active (Green), Standby (Yellow), Fail (Red) |
| Lines (one per): | Active and OK (Green) Active and Local Alarm (Red) Active and Remote Alarm (Yellow) |
| Maintenance/Serviceability Features: | Internal Problem Isolation Loopbacks Hot-pluggable |
| Card Size: | IMATM front card: 7.25" x 16.25" RJ48-T3T1-LM: 7.0" x 4.5" RJ48-E3E1-LM: 7.0" x 4.5" SMB-E3E1-LM: 7.0" x 4.5" |
| Power: | -48V DC |
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