|
|
This appendix provides the technical specifications relevant to the Service Expansion Shelf, its processor and service modules, and the applications and services which it provides. It contains the following sections:
This section describes the physical characteristics and system power requirements for the
MGX 8850 switch. The "SES Processor Switching Module Specifications" section lists the dimensions, weight, and power consumption for each card. The appendix titled "Cabling Specifications" lists the AC power plugs for domestic and international use.
| Item | Value |
Card Slot Capacity | Supports combinations of full and single-height service modules. |
Enclosure Size,
| |
Shipping Weight for | Approximately 150 lbs. |
Clearance Requirement: | Minimum 30 inches front and rear; nominal 12-inch side clearance. |
Power Input Voltage: | AC system: Normal operating range is 100-240 VAC, 47 to 63 Hz. Each AC supply can provide up to 1200 watts @ 48 VDC. |
Current Requirements, | Configuration-dependent: use Network Design Tool for exact requirements. |
Current Requirements, | Configuration-dependent: use Network Design Tool for exact requirements. For general planning purposes: 25 Amps at nominal -48 VDC; 29 Amps at |
Input AC Power | IEC 10-Amp input connector. The appendix titled "Cabling Specifications" lists the AC power cords for a variety of countries and regions. |
AC Power Cable: | Provided with 8 feet (2.3 m) of 3-conductor wire with plug. |
AC Plug at | 20 A NEMA L620, 3-prong plug (domestic U.S.) |
DC Input Connections: | Three-position terminal block for 10 AWG wire (4 square millimeters). |
Operating Environment: | 0º-40º C (32º-104º F) normal operation (50º C or 122º F up to 72 hours). Maximum 85% relative humidity. |
Shock: | Withstands 10 G, 10 ms at 1/2 sine wave. |
Vibration: | Withstands 1/4 G, 20-500 Hz. |
Heat Transfer to Environment: | AC-powered: 4,800 BTUs. |
| SES Performance | |
CellBus bandwidth | |
Alarm and error handling | Same as MGX 8850 and IGX 8400 series switches |
This section contains general specifications for the SES Processor Switching Module (SES- PXM). The information in Table A-1 includes information for the two types of back cards---the PXM-UI user interface for switch and the uplink card for trunking and CPE access.
| Category | Description |
|---|---|
Maximum switch fabric throughput. | 2 times OC12. |
Control access: These ports exits on the | Control port: RJ45 connector, EIA/TIA 232, DTE mode, asynchronous interface 19,200 baud, 1 start bit, 1 stop bit, no parity bits. Maintenance port: RJ45 connector, EIA/TIA 232, DTE mode, asynchronous interface 9600 baud, 1 start bit, 1 stop bit, no parity bits. LAN port: RJ45 connector, 10-baseT, 802.3 Ethernet. |
Uplink ports and connectors: An uplink card can have | 4 OC3 multi-mode fiber, SC connectors |
Number of logical ports: | 32 across all physical ports on the uplink card (regardless of line type). |
LEDs on PXM front card: LEDs display status, but alarm history is a switch. | Status for the card:
LAN activity: flashing green indicates activity. Node alarm:
Node power (note that each AC power supply also has an LED):
Alarm history: ACO Port interface (for the Uplink port):
|
LEDs on back cards: | Green means active. No light means inactive or not provided. |
Synchronization: These clock sources satisfy Stratum 4 requirements. | 8 KHz clock derived from the following sources:
|
BITS clock interface: | E1/T1 with an RJ45 connector. E1 with an SMB connector. |
Trunk history counters: | Ingress, per connection: Egress, per connection: |
Connection capacities | Maximum number of connections: Maximum aggregate bandwidth: Cell memory: 256K cells. |
Processor clock speed and memory specifics: | Clock speed: 200 MHz internal, 50 Mhz external. Flash memory: 2 Mbytes. DRAM: 64 Mbytes, upgradeable to 128 Mbytes. Secondary cache: 512 Kbytes. BRAM: 128 Kbytes. Hard disk: 6 Gbytes. |
Alarm indicators (audible and visual): | Central office-compatible alarm indicators and controls through a DB15 connector. |
Maintenance features: | Internal isolation loopback. |
Card dimensions: | Front card: 15.65 inches by 16.83 inches (39.75 cm by 42.75 cm) |
Power: | Requires -48 VDC, dissipates 150 W. |
This section contains details for the AUSM/B-8T1E1. For physical characteristics, see Table A-3. For the T1 and E1 characteristics, see Table A-4 and Table A-5, respectively. For ATM interface characterisitcs, see Table A-6. For statistics and counters, see Table A-7.
| Category | Description |
LED Indicators Per Card: | Active (green), Standby (yellow), Fail (red) |
LED Indicators Per Line: | One per line: Active and OK (green) |
Maintenance/Servicability: | Facility loopback via Loop up/down per ANSI T1.408 and |
Card Size: | Front card: 7.25" x 16.25" (18.43 cm x 41.28 cm) |
Power: | -48VDC, 30 W |
Safety: | EN 60950 2nd edition (including EN 41003) UL 1950 2nd edition |
Compliance: | T1: G.703, G.824 |
ESD: | IEC 61000-4-2 |
| Category | Description |
Line Interface : | RJ48 (100 ohms) on the LM-RJ48-8T1 back card |
Line Rate: | 1.544 Mbps ± 50 bps (T1) |
Synchronization: | Transmitter can be: loop-timed, Receiver, or synchronized to node (normal mode) |
Line Code: | Bipolar 8 Zero Substitution (B8ZS) per ANSI T1.408 (T1) |
Line Framing: | Extended Superframe Format (ESF 24 frame multiframe) per ANSI T1.408 |
ESF Maintenance: | Bit-oriented alarm and loopback messages of ESF Data Link per ANSI T1.408 |
Input Jitter Tolerance: | Per ITU-T G.824 |
Output Jitter: | Per ITU-T G.824 using normal mode synchronization. |
Physical Layer Alarms: | LOS, OOF, AIS, RAI |
Physical Layer | LCV, LES, LSES, CV, ES, SES, SEFS, AISS, UAS |
| Category | Description |
Line Interface Connector: | RJ48 (120 ohms) on LM-RJ48-8E1, or SMB (75 ohms) on LM-SMB-8E1 |
Line Rate: | 2.048 Mbps ± 100 bps |
Synchronization: | Transmitter can be: loop-timed, Receiver, or synchronized to shelf (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 Mbps |
Output Jitter Generation: | As specified in ITU G.823 for 2.048 Mbps |
Physical Layer Alarms: | LOS, OOF, AIS, RAI |
Physical Layer Statistics: | LCV, LES, LSES, CV, ES, SES, SEFS, AISS, UAS |
| Category | Description |
Standards: | ATM UNI v3.1, ITU-T G.804, per CCITT I.361. |
Channel Configuration: | 1000 per card, across any of the T1 or E1 ports. |
VPI/VCI Ranges: | 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. |
| Counter Type | Description |
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. Number of cells received with CLP = 1. |
Other Counters: |
|
Ingress: | Number of OAM cells discarded. |
Egress: | Number of OAM cells discarded. |
Diagnostic Statistics: | Peak Queue Depth (Ingress: per channel). |
This section provides details for the FRSM-2CT3. Topics consist of the following:
| Interface | Standard |
|---|---|
Frame Relay Interface | ANSI T1.618, 2-octet header |
ATM Layer | CCITT I.361 and ATM UNI v3.1 |
AAL Layer | AAL5 per ITU-T I.363 |
FR-Cell Interworking | Per ITU-T I.555 and I.36x.1, as summarized in "ATM-to-Frame Relay Interoperability Implementation Agreement" v 1.0 |
| Feature | Significance or Value |
|---|---|
Power | 48 V DC, 60 W (estimated) |
Card Status Indicator LEDs | Active (Green), |
Line Status Indicator LEDs | Active & Okay (Green), |
Reliability | > 85000 hours MTBF (target) |
Card Size | 7.25 inches by 16.5 inches |
| Feature | Significance or Value |
|---|---|
Number of T3 Lines | Two |
Line Interface Connector | 75 ohm BNC |
Line Rate | 44.736 Mbps +/- 20 ppm |
Line Coding | B3ZS |
Transmit Timing | Normal or Loop timed |
Input Jitter Tolerance | Per GR-449-CORE, ITU-T G.824 |
Output Jitter | 0.05 UI maximum with jitter-free input clock |
Output Pulse | Per T1.102.1993 |
The FRSM-2CT3 line framer:
For line alarms, the FRSM-2CT3 supports:
This section provides details for the FRSM-2T3E3. Where appropriate, it has separate sections for T3 and E3 technologies. Topics consist of the following:
| Interface | Standard |
|---|---|
Frame Relay Interface | ANSI T1.618, 2-octet header |
ATM Layer | CCITT I.361 and ATM UNI v3.1 |
AAL Layer | AAL5 ITU-T I.363 |
FR-Cell Interworking | Per ITU-T I.555 and I.36x.1, as summarized in "ATM-to-Frame Relay Interoperability Implementation Agreement" v 1.0 |
| Feature | Significance or Value |
|---|---|
Power | 48 V DC, 60 W (estimated) |
Card Status Indicator LEDs | Active (Green), |
Line Status Indicator LEDs | Active & Okay (Green), |
Reliability | > 85000 hours MTBF (target) |
Card Size | 7.25 inches by 16.5 inches |
The T3 line characetristics appear in Table A-13.
| Feature | Significance or Value |
|---|---|
Number of T3 Lines | Two |
Line Interface Connector | 75 ohm BNC |
Line Rate | 44.736 Mbps +/- 20 ppm |
Line Coding | B3ZS |
Transmit Timing | Normal or Loop timed |
Input Jitter Tolerance | Per GR-499-CORE, ITU-T G.824 |
Output Jitter | 0.05 UI maximum with jitter-free input clock |
Output Pulse | Per ANSI T1.102 |
For the framing characteristics of T3 operation, the FRSM-2T3E3:
For characteristics of the line on an FRSM-2T3E3 with an E3 back card:
| Feature | Significance or Value |
|---|---|
Number of E3 Lines | Two |
Line Interface Connector | 75 ohm BNC |
Line Rate | 34.368 Mbps +/- 20 ppm |
Line Coding | HDB3 |
Transmit Timing | Normal or Loop timed |
Input Jitter Tolerance | Per ITU-T G.823 |
Output Jitter | 0.05 UI maximum with jitter-free input clock per AT&T TR54014 |
Output Pulse | Per ITU-T G.703 |
For line framing, the E3 operation of the FRSM-2T3E3 complies with ITU-T G.751.
For line alarms, the FRSM-2T3E3 supports:
See the section titled "Counters and Statistics for FRSM-2CT3, FRSM-2T3E3, and FRSM-HS2" for lists of applicable statistics and counters.
The FRSM-HS2 is the Frame Relay module with two HSSI ports. The topics in this section are:
For lists of the counters and statistics that are available on the FRSM - VHS series of cards, see the section titled "Counters and Statistics for FRSM-2CT3, FRSM-2T3E3, and FRSM-HS2."
| Interface | Standard |
|---|---|
Frame Relay Interface | ANSI T1.618, 2-octet header |
ATM Layer | CCITT I.361 and ATM UNI v3.1 |
AAL Layer | AAL5 per ITU-T I.363 |
FR-Cell Interworking | Per ITU-T I.555 and I.36x.1, as summarized in ATM-to-Frame Relay Interoperability Implementation Agreement v 1.0 |
| Feature | Significance or Value |
|---|---|
Power | 48 V DC, 75 W (estimated) |
Card Status Indicator LEDs | Active (Green), |
Line Status | Active & Okay (Green), |
Reliability | > 85000 hours MTBF (target) |
Card Size | Front card: 7.25" x 16.25" (18.43 cm x 41.28 cm) |
| Feature | Significance or Value |
|---|---|
Number of HSSI Lines | Two |
Connector Type | SCSI-2 |
Signaling Rate | 52 Mbps max |
Line Alarms |
|
Synchronization | Transmitter may be either loop-timed to Receiver (DTE mode) or synchronized to shelf (DCE mode) |
Electrical Interchange Characteristics | ITU-T V.12 |
This section lists counters and statistics that apply to most types of cards in the FRSM-VHS group.
| Counter |
|---|
Received frames lost due to aborts |
Received frames lost due to illegal header (EA bit) |
Received frames lost due to CRC errors |
Received frames with bit alignment errors |
Received frames with unknown DLCI |
Received frames with illegal frame length |
Received good frame |
|
Transmit frames lost due to under-run/Abort count |
Transmit good frame |
|
LMI status inquiry request count |
LMI signaling protocol (keep alive time-out count) |
LMI sequence number error count |
LMI status transmit count (in response to request) |
LMI update status transmit count (in response to configuration changes |
Frames with FECN set count |
Frames with BECN set count |
DE frames discarded count |
Number of frames reassembled but discarded due to service interface physical layer alarm |
| Service Statistic |
|---|
Number of received frames |
Number of bytes received |
Number of frames received with DE=1 |
Number of frames received but discarded |
Number of received bytes discarded |
Number of frames received but discarded due to
|
Number of frames reassembled and transmitted |
Number of frames reassembled and transmitted with DE=1 |
Number of frames discarded due to reassembly errors |
Number of frames transmitted |
Number of bytes transmitted |
Number of frames transmitted with DE set |
Number of frames transmitted during LMI logical port alarm |
Frames FECN set count |
Frames BECN set count |
Number of transmit frames discarded |
Number of transmit bytes discarded |
Number of transmit frames discarded due to:
|
| ATM Cell Statistic |
|---|
Number of cells transmitted to PXM |
Number of cells discarded due to intershelf link alarm |
Number of cells transmitted with CLP bit set |
Number of AIS cells transmitted |
Number of FERF cells transmitted |
Number of BCM cells transmitted |
Number of end-end loop-back cells transmitted |
Number of segment loop-back cells transmitted |
Number of cells received from PXM |
Number of cells received with CLP bit set |
Number of AIS cells received |
Number of FERF cells received |
Number of BCM cells received |
Number of end-end loop-back cells received |
Number of segment loop-back cells received |
Number of OAM cells discarded due to CRC-10 error |
| Diagnostic Statistic |
|---|
Header of last cell with unknown LCN |
Header of last received frame with unknown DLCI |
ECN current queue depth |
| Troubleshooting Statistic |
|---|
ECN current queue depth, per channel |
|
This section provides information on the T1 operation of the FRSM-8T1E1 card set. Topics are
| Category | Description |
Indicators per card: | Active (Green), Standby (Yellow), Fail (Red) |
Indicators per line: | Active & Okay (Green) |
Line Interface connector: | RJ-48 when used with RJ48-8T1 back card |
Line Rate: | 1.544 Mbps ± 50 bps |
Line Framing: | ESF per ATT TR 54016 |
Maintenance/Serviceability Features: | Internal Problem Isolation Loopbacks |
Reliability, MTBF: | > 65000 hours |
Card Size: | FRSM-8T1: 7.25" x 16.25" |
| Category | Description |
Synchronization: | Transmitter may be either loop-timed to Receiver or synchronized to shelf (called normal mode) |
Input Jitter Tolerance: | Per ITU-T G.824 |
Output Jitter Generation: | Per ITU-T G.824 using normal mode synchronization |
Physical Layer Alarms: | LOS, OOF, AIS, RAI |
Number of Frame Relay Ports: | One-a single Frame Relay stream occupying N consecutive time slots |
Frame Relay Interface Rates: | Either of the following:
|
Frame Relay Interface: | Per ANSI T1.618, 2-octet header |
Frame Relay Performance Counters (per Port; n x DS0): | Received frames discarded due to Aborts |
| Transmit bytes(s) |
| LMI receive status inquiry request count (s) |
Diagnostics (per port): | Last unknown DLCI received |
| Category | Description |
ATM Layer: | Per ITU-T I.361 and ATM UNI v3.1 |
AAL Layer: | AAL5 per ITU-T I.363 |
FR-Cell Interworking: | Per ITU-T I.555 and I.36x.1, as summarized in Frame Relay Forum, FR/ATM PVC Interworking Implementation Agreement FRF.5 |
| Category | Description |
Channels (endpoints) per card: | 256, which you can allocate across any of the interfaces |
Service Counters: Note that an (s) at the end of | Number of frames received (s) |
| Number of frames transmitted (s) |
| Number of frames transmitted with DE set (s) |
Statistics: | If any of the counters in the preceding category of Service Counters includes an "(s)," you can configure it for statistics usage. |
Diagnostics: | Last unknown LCN received, |
This section provides information on the E1 operation of the FRSM-8T1E1 card set. Topics are:
| Category | Description |
Line Interface connector: | RJ-48 when used with 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 (normal mode) |
Input Jitter Tolerance: | Per ITU-T G.823 |
Output Jitter Generation: | Per ITU-T G.823 |
Physical Layer Alarms: | LOS, OOF, AIS, RAI |
Indicators per card: | Active (Green), Standby (Yellow), Fail (Red) |
Indicators per line: | Active & Okay (Green) |
Maintenance/Serviceability Features: | Internal Problem Isolation Loopbacks |
Reliability, MTBF: | > 65000 hours |
Card Size: | FRSM-8E1: 7.25" x 16.25" (18.43 cm x 41.28 cm) |
Power: | -48V DC, 30W with 8 active E1 lines |
| Category | Description |
Number of Frame Interfaces: | 1-31 occupying n, where 1 < n < 31. Sum of all < 31 for CCS or 1-30 for CAS. |
Frame Relay Interface Rates: | Either 56 Kbps or n x 64 Kbps, where n is the same as defined in the preceding item the preceding item "Number of Frame Interfaces." |
Ingress: | 8000 cell buffer shared between virtual channels/paths |
Egress: | 8000 cell storage capacity shared between four ports |
Frame Relay Interface: | Per ANSI T1.618, 2-octet header |
Frame Relay Performance Counters (per Port; n x DS0): | Received frames discarded due to Aborts |
| Transmit frames discarded due to underrun |
Diagnostics (per port): | Last unknown DLCI that arrived |
| Category | Description |
ATM Layer: | Per ITU-T I.361 and ATM UNI v3.1 |
AAL Layer: | AAL5 per ITU-T I.363 |
FR-Cell Interworking: | Per ITU-T I.555 and I.36x.1, as summarized in Frame Relay Forum, FR/ATM PVC Interworking Implementation Agreement FERF.5 |
| Category | Description |
Channels (Endpoints): | 256 per card---can be allocated across any of the frame relay interfaces |
Counters: | Service Counters: Number of frames received (s) intershelf alarm exceeded DE threshold (s) exceeded Q depth (s) Number of frames received with FECN set |
| Number of frames received tagged FECN |
| ATM cells: Number of cells transmitted to PXM |
This section contains operational details for the CESM 8T1E1 with the RJ48-8T1 back card.
| Category | Description |
Back Card: | RJ48-8T1 |
Line Rate | T1: 1.544 Mbps ±50 bps |
Transmit Clocking | Normal clock or SRTS generated |
Line Coding | B8ZS |
Frame mode | ESF |
Line alarms | Loss or signal (LOS) |
Alarm indication times | Near end alarm up-count |
Supported OAM cells: | AIS |
Physical Layer Performance Statistics | N/A |
LED Indicators Per Card: | Active (green), Failed (red), Standby (yellow) |
BERT | Active (green), Errors (yellow) |
1 to N Redundancy | Active (green) |
Indicator for each T1 | Active (green) |
Reliability, MTBF |
|
Card Size | Front card: 7.25" x 16.25" (18.43 cm x 41.28 cm) |
Power | 48VDC, 30 W |
Loopbacks | On or Off |
This section contains operational details for the CESM-8T1E1 with an E1 back card.
| Category | Description |
Back Card | RJ48-8E or SMB-8E1 |
Line Rate | E1: 2.048 Mbps ± 100 bps (50 ppm) |
Transmit Clocking | Normal clock or SRTS generated |
Line Coding | HDB3 |
Frame mode | single frame |
Line alarms | Loss or signal (LOS) |
Alarm indication times | Near end alarm up-count |
Supported OAM cells: | AIS |
Physical Layer Performance Statistics | N/A |
Indicators: |
|
Card-level | Active (green), Failed (red), Standby (yellow) |
BERT | Active (green), Errors (yellow) |
1 to N Redundancy | Active (green) |
Indicator for each T1 | Active (green) |
Reliability, MTBF |
|
Card Size | Front card: 7.25" x 16.25" (18.43 cm x 41.28 cm) |
Power | 48VDC, 30 W |
Loopbacks | On or Off |
For quick reference, Table A-33 shows physical dimensions and power consumption for each card. Detailed information for each card appears in the section of this appendix for a specific card.
| Module | Back Cards | Front Card Dimensions (inches) | Back Card Dimensions (inches) | Weight (front and back card) | Power Consumption |
|---|---|---|---|---|---|
FRSM-8T1 FRSM-8E1 FRSM-8T1c FRSM-8E1c | 8 T1, 8 E1 | 7.25 x 16.25 | 7.00 x 4.50 | 1.74 lbs/ | 30 watts |
FRSM-2CT3 | 2 T3 | 7.25 x 16.25 | 7.00 x 4.50 | 1.74 lbs/ | 60 watts |
FRSM-2T3E3 | 2 T3, 2 E3 | 7.25 x 16.25 | 7.00 x 4.50 | 1.74 lbs/ | 60 watts |
FRSM-HS2 | 2 HSSI | 7.25 x 16.25 | 7.00 x 4.50 | 1.74 lbs/ | 75 watts |
CESM-8T1E1 | 8 T1, 8 E1 | 7.25 x 16.25 | 7.00 x 4.50 | 1.74 lbs | 30 watts |
AUSM/B-8T1E1 | 8-T1, 8-E1 | 7.25 x 16.25 | 7.00 x 4.50 | 1.74 lbs | 30 watts |
SES-PXM1 | OC-3c/STM-1 | 15.65 x 15.83 | 7.00 x 4.5 | 4.80 lbs | 100 watts |
This section lists the national and international standards for electromagnetic compatibility to which the Service Expansion Shelf complies. It consists of a list of reference documents, a table
(Table A-34) that indicates applicability of the standards, and the test levels for CE mark immunity.
The applicable standards for electromagnetic compatibility are
Details on how each standard applies in this Cisco product appear in Table A-34.
| Category | AC-Powered (110/220 VAC | DC-Powered (-48V) |
U.S.A EMC | FCC Part 15, Class A | not applicable |
Japan EMC | Austel 3548 Class A | not applicable |
Australia EMC | VCCI Class A | not applicable |
CE mark Immunity | EMC: EN 55022 Class A
| not applicable |
NEBS (EMC) | not applicable | EMC: GR-1089-CORE ESD (8 KV contact) RS European Telecom Standards (ETSI) for Surge: |
The levels for the mandatory CE mark immunity tests are
This section contains standards compliance information for features on the SES.
The ATM specifications for the User-Network Interface to which the MGX 8850 complies are
The standards and responsible organizations with which MGX 8850 SONET technology complies are as follows:
The standards and responsible organizations with which MGX 8850 Frame Relay technology complies are as follows:
ATM Forum CES 2.0.
The SES enclosure meets all applicable regulatory agency Product Safety requirements.
The SES adheres to the Bellcore GR-63-CORE environmental standard.
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Posted: Thu Mar 30 19:21:31 PST 2000
Copyright 1989 - 2000©Cisco Systems Inc.