|
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: | Header check sum is XORed with the COSET function (0x55) per CCITT I.361 |
ATM Layer Counters: | Number of cells received good |
Diagnostics: | Header of first cell received with invalid egress |
Synchronization: | Derives 8KHz shelf synchronization clock · 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/E1 clock) |
Indicators: | Per Card: Active (Green), Failed (Red), Standby (Yellow) Minor DS-3 Statistical Alarm |
Maintenance/Serviceability Features: | Internal Isolation Loopbacks |
Reliability: | > 65000 hours MTBF |
Card Size: | BNM-T3: 7.25"x 16.25" |
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 ± 20 PPM |
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: | Header check sum is XORed with the COSET function (0x55) per CCITT I.361 |
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 cell bus Number of cells transmitted to cell bus |
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 cell bus |
Synchronization: | Derives 8KHz shelf synchronization clock from a variety of sources: · E3 physical interface · External T1/E1 clock port with a clock rate of |
External Office clock interface: | DB15 connector via LM-T3E3-D (T1/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) 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 |
Framing: | SONET STS-3c per ANSI T1.105 |
PMD Layer Alarms: | Loss of Signal (LOS) |
Transmission Convergence Protocol: | Per GR-253-CORE and ANSI T1.105 |
TC Layer Alarm: | Loss of Cell Delineation ((LCD) |
ATM Layer Protocol: | Header check sum is XORed with the COSET function (0x55) per CCITT I.361 |
ATM Layer Counters: | Number of cells received good |
Diagnostics: | Number of cells received from Cell Bus |
SMF Line Interface Connector | SC connectors |
Fiber Recommendation | Single-mode |
Maximum Fiber Length | 20km |
SMF Line Signal | Optical, SONET OC-3c per ANSI T1.105 and GR-253-CORE |
SMF Line Rate | 155.52 Mbps |
Input Jitter Tolerance | Per Gr-253-CORE |
Output Jitter Generation | Per Gr-253-CORE |
Synchronization | Derives 8 kHz shelf synchronization clock from a variety of sources: |
External Clock Interface | DB-15 connector or BNC connector (both are available) |
Alarm Interface | CO compatible alarm indicator and controls via DB-15 connector |
Indicators | Ten LEDs |
· Per Card | Active (Green) |
· OC-3 Interface | Single multi-hue LED |
· Shelf Voltage | A Voltage OK (Green) |
· Alarms | Major (Red) |
Maintenance Serviceablity Features | Internal isolation loopbacks |
· Reliability | > 65000 hours MTBF |
· Card Size | BNM-155: 7.25" x 16.25" |
· Power | -48 DC, 25W |
802.3 LAN Interface Connector: | AUI interface via DB-15 connector control port: |
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 |
T1/E1 Line Interface Connector: | BNC-3T# |
Line Rate: | T1: 1.544 Mbps ±75 bps (50 ppm) |
Transmit Clocking: | Normal or Looped timed |
Input Jitter Tolerance: | Per AT&T Accunet T1.5 Service 1990 - T1 |
Physical Layer Alarms: | Indicated in Service Modules |
Physical Layer Performance Statistics: | N/A |
Indicators: |
|
Per Card: | Active (green), Failed (red), Standby (yellow) |
BERT: | Active (green), Errors (yellow) |
1 to N Redundancy: | Active (green) |
Indicator for each T3: | Active (green) |
Maintenance/Serviceability Features: | DS1 Loopback towards service modules |
Reliability: | >85000 hous MTBF |
Card Size: | Frontcard 7.25" x 16.25" |
Power: | 48VDC, 50 W |
Loopback codes: | Fractional T1 in-band loopback - DS0 loopback - |
Monitoring trouble codes: | TA-TSY-000077 |
Line Interface connector: | DB15when 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 |
| Transmit bytes(s) |
| LMI receive status inquiry request count (s) |
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 cardmay be allocated across any of the frame relay interfaces |
Counters: |
|
Service Counters: | Number of frames received (s) |
| Number of frames transmitted (s) |
| Number of frames transmitted with DE set (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) |
Maintenance/Serviceability Features: | Internal Problem Isolation Loopbacks Hot-pluggable |
Reliability: | > 65000 hours MTBF |
Card Size: | FRSM-4T1: 7.25" x 16.25" |
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 bps. |
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: | I 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 |
| Transmit frames discarded due to underrun |
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 cardmay be allocated across any of the frame relay interfaces |
Counters: | Service Counters: Number of frames received (s) |
| Number of frames received tagged FECN |
| ATM cells: Number of cells transmitted to BNM |
Indicators: | Per Card: Active (Green), Standby (Yellow), Fail (Red) |
Maintenance/Serviceability Features: | Internal Problem Isolation Loopbacks |
Card Size: | FRSM-4E1: 7.25" x 16.25" |
Power: | -48VDC, 30W (4 E1s) |
Ingress: | 8000 cell buffer shared between virtual channels/paths |
Egress: | 8000 cell storage capacity shared between four ports |
Line Interface connector: | RJ-48 when used with LM-RJ-48-8T1 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 |
| Transmit bytes(s) |
| LMI receive status inquiry request count (s) |
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 cardmay be allocated across any of the frame relay interfaces |
Counters: |
|
Service Counters: | Number of frames received (s) |
| Number of frames transmitted (s) |
| Number of frames transmitted with DE set (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) |
Maintenance/Serviceability Features: | Internal Problem Isolation Loopbacks Hot-pluggable |
Reliability: | > 65000 hours MTBF |
Card Size: | FRSM-8T1: 7.25" x 16.25" |
Line Interface connector: | RJ-48 when used with LM-RJ-48-8E1 line module. |
Line Rate: | 2.048 Mbps ± 100 bps |
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: | I 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 |
| Transmit frames discarded due to underrun |
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 cardmay be allocated across any of the frame relay interfaces |
Counters: | Service Counters: Number of frames received (s) |
| Number of frames received tagged FECN |
| ATM cells: Number of cells transmitted to BNM |
Indicators: | Per Card: Active (Green), Standby (Yellow), Fail (Red) |
Maintenance/Serviceability Features: | Internal Problem Isolation Loopbacks |
Card Size: | FRSM-8E1: 7.25" x 16.25" |
Power: | -48V DC, 30W (8 E1s) |
Ingress: | 8000 cell buffer shared between virtual channels/paths |
Egress: | 8000 cell storage capacity shared between four ports |
Line Interface Connector: | Miniature 15 pin female DB-15 (100 |
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 Generation: | 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 |
Line Rate: | 2.048 Mbps ± 100 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 Generation: | 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. |
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. |
Endpoint (channel): |
|
Ingress: | Number of cells received from port. |
ATMizer channel counters: |
|
Ingress: | Number of cells transmitted to CellBus. |
Egress: | Number of cells received from the CellBus. |
Other Counters: | . |
Ingress: | Number of OAM cells discarded. |
Egress: | Number of OAM cells discarded. |
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) |
Maintenance/Servicability: | Facility loopback via Loop up/down per ANSI T1.408 & |
Card Size: | 7.25" x 15" |
Power: | -48VDC, 30 W |
Safety: | EN 60950 2nd edition (including EN 41003) UL 1950 |
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 port | |
Counters: |
| MIB Name |
AAL1: |
|
|
| Number of lost SAR-PDUs | cesLostCells |
Diagnostic: | Egress buffer depth (per port) |
|
Alarms: |
| MIB Name |
T1/E1 Port: | Red, Loss of Signal (LOS) Blue, Alarm Indication Signal (AIS) | LineAlarmStatebit 5 set LineAlarmStatebit 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 one of the following: the T3 line, any of the T1 lines, or the MGX 8220 shelf 8KHz clock. |
Line Code: | Bipolar 8 zero substitution (B8ZS) as specified in |
Line Framing: | Extended Superframe Format (ESF 24 frame multifrm) as in ANSI T1.408. |
Input Jitter Tolerance: | Per ATT TR 62411. |
Output Jitter Generation: | Using normal mode synchronization per ATT TR 62411. |
Physical Layer Alarms: | LOS, OOF, AIS, RDI. |
Physical Layer Performance Parms: | LCV, LES, LSES, CV, ES, SES, SEFS, AISS, UAS. |
Line rate: | 2.048Mbps +/- 100 bps. |
IMATM Synchronization: | Digital PLL to synchronize all transmitters to one of the following: the E3 line, any of the E1 lines, or 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 Generation: | 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 ±20 ppm (T3) |
Line Code: | B3ZS for DS3 |
Framing: | Physical Layer Conversion Procedure for DS3 to |
Input Compliance: | Per ATT 54014 and CCITT G.703 |
Line Rate: | 34.368 Mbps ±20 ppm (T3). |
Line Code: | HDB3 for E3. |
Framing: | Per ITU-T Recommendation G.804 and G.832. |
Input Jitter Tolerance: | Per ATT TR 62411. |
ATM Interface: |
|
Cell support (type) | STI cells. |
Congestion Control: | EFCI/FFCI setting on Egress (AIM). |
EFCI setup: | Via programmable EFCI threshold. |
IMATM Alarms: | IMATM 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 |
AIM Group: | Number of cells received from AIM interface |
| Number of cells served from Egress queue to AIM interface |
ATMizer (Cellbus) counters: |
|
Ingress: | Numberof cells transmitted |
Egress: | Number of cells received |
Indicators: |
|
Per Card: | Active (Green), Standby (Yellow), Fail (Red) |
Lines (one per): | Active and OK (Green) |
Maintenance/Serviceability Features: | Internal Problem Isolation Loopbacks |
Card Size: | IMATM front card: 7.25" x 16.25" |
Power: | -48V DC |
Posted: Mon Jan 15 16:42:32 PST 2001
All contents are Copyright © 1992--2001 Cisco Systems, Inc. All rights reserved.
Important Notices and Privacy Statement.