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This appendix lists the BPX system specifications for Release 8.1.
| System Capacity: | 1 shelf with 15 card slots.
Requires 1 or 2 dedicated slot(s) for BCC card. Requires 1 dedicated slot for ASM card. |
| Network Interface: | Asynchronous T3 with Physical Layer Convergence Protocol (see also T3 Interface spec). |
| Unchannelized E3 with StrataCom T3-E3 Interface Module | |
| Network Trunks: | 32 per node max. |
| Network Interface Protocol: | ATM layer with 53-byte cell using StrataCom Transmission Interface or UNI header (selectable). |
| Cell Switching: | Crosspoint switch matrix, non-blocking. |
| Switch Capacity: | 9.6 Gbps. |
| Slot Rate: | 800 Mbps each, including overhead. |
| Connection Rate: | 20 million cell connections/sec. between slots. |
| Classes of Service: | 32 queues per port, assignable. |
| Clock Sources: | Internal, free-running oscillator, Stratum 3.
Phase-locked to any appropriate network interface. External input at T1 or E1 rate |
| Clock Output: | Single clock output at T1 or E1 rate for synchronizing co-located IPX node(s) or CPE. |
| Cabinet Size: | 22.75 inches (57.8 cm) high.
19.0 inches (48.25 cm) wide. 27.0 inches (68.6 cm) deep. |
| Weight, approx. | 73 lb. (33.2 kg.) empty BPX shelf, w/fans but no PS.
6 lb. (2.7 kg.) each card. 18 lb. (8.2 kg.) empty AC Power Supply Tray. 16 lb. (7.3 kg.) each AC Power Supply 2 lb. (0.9 kg.) each DC Power Entry module. |
| Clearance Requirement: | At least 30 inches front and rear clearance; nominal 12 inch side clearance. |
| Power Source: | AC system: 180 -- 264 VAC, 47 to 63 Hz.
DC system: --42 to --56 VDC. |
| Power Requirements: | AC BPX-15: 13 A at 180 VAC (2300 VA).
DC BPX-15: 40 A at --42 VDC (1680W). |
| Input Power Connector: | AC: 3-conductor IEC receptacle. 8 feet (2.4 m.) power cord supplied.
DC: 3 Ring lug screw terminal connectors. |
| Circuit Breakers: | AC: 15 A on AC power supply assembly
DC: 40A on power entry module |
| Fuses | Individual Backplane Card slot fuses, F1 through F3 for Fans 1 through 3, and F4 through F18 for card slots 1 through 15, respectively, 5A-120VAC rating |
| Operating Environment: | Operating Conditions are listed in Table A-1. |
| Shock: | Withstands 10G, 10 ms. at 1/2 sine wave. |
| Vibration | Withstands 1/4 G, 20--500 Hz. |
| Heat Transfer to Room: | Up to 7200 BTUs depending on node configuration. |
Table A-1 : Ambient Temperature and Humidity Limits
| Conditions | Limits | |
|---|---|---|
| Fahrenheit | Centigrade | |
| Operating Temperature
Recommended |
+40 to +100 degrees
+68 to + 86 degrees |
+4.5 to +38 degrees
+20 to +30 degrees |
| Short-Term Temperature1 | +35 to +120 degrees | +1.7 to + 49 degrees |
| Operating Relative Humidity | 20% to 55%
(non-condensing) |
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| Short-Term Relative Humidity | 10% to 80%
non-condensing |
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ATM T3 Trunk Interface (BNI-T3, LM-3T3)
| Line Rate: | 44.736 Mbps ± 20 ppm, asynchronous. |
| Line Code: | B3ZS. |
| Signal Level: | DSX-3. |
| Framing Format: | C-bit parity is monitored. No other framing or control bits in the DS3 frame are either altered or monitored. |
| Protocol: | Physical Layer Convergence Protocol per AT&T Publication TA-TSY-000772 and 000773. |
| ATM Cell Rate: | 96,000 cells/sec. Limited to 80,000 cells/sec. when interfacing with StrataCom IPX. |
| Alarms Sent: | AIS.
Remote |
| Alarms Received: | AIS.
Loss of Signal. Remote. Loss of Framing. |
| Line Errors Counted: | BPV.
Parity Bit Errors. |
| Jitter: | Meets ACCUNET T45 specification (Pub 54014). |
| Connector: | 75 ohm BNC. |
| Recommended Cable Lengths: | 900 feet (275 m.) max. using specified cable.
450 feet (150 m.) to a DS3 crossconnect. |
| Indicators: | Card status.
Port status. |
ATM E3 Trunk Interface (BNI-E3, LM-3E3)
| Line Rate: | 34.368 Mbps ± 20 ppm, asynchronous. |
| Line Code: | HDB3. |
| Signal Level: | CCITT G.703. |
| Framing Format: | CCITT G.804, G.832. |
| Port Interface: | 75 ohm unbalanced. |
| Barrier: | Fully barriered per EN 41003. |
| ATM Cell Rate: | 80,000 cells/sec. |
| Jitter: | per CCITT G.823 |
| ATM Layer Protocol: | per CCITT I.361 with HEC. |
| Port Alarm Processing: | AIS.
Loss of Signal. Remote Alarm Indication. Loss of Framing. |
| Line Errors Counted: | BPV.
Parity Bit Errors. |
| Connector: | 75 ohm BNC. |
| Max. E3 Cable Lengths: | 900 feet (275 m.) using specified cable. |
| Indicators: | Card status.
Port status. |
ATM OC3 Trunk Interface (BNI-OC3, LM-OC3
| Line Rate: | 155.20 Mbps | |
| Line Code: | NRZ | |
| Signal Level: | Max | Min |
| MMF TX | --8 dBm | --15 dBm |
| MMF RX | --8 dBm | --28 dBm |
| SMF LR TX | 0 dBm | --5 dBM |
| SMF LR RX | --10 dBm | --34 dBm |
| Framing Format: | STS-3c, STM1 | |
| Port Interface: | LMI, ILMI | |
| ATM Cell Rate: | 353,208 cells/sec. | |
| Jitter: | < 0.01 UI p-p, < 0.1 UI rms | |
| ATM Layer Protocol: | LMI, ILMI | |
| Port Alarm Processing: | LOS, LOF, LOP, Path AIS, Path Yellow | |
| Line Errors Counted: | Section BIP8, Line BIP24, Line FEBE, Path BIP8, Path FEBE | |
| Connector: | MMF SC SMF FC/PC | |
| Max. Cable Lengths: | MMF ~ 2
KM SMF IR ~20 KM SMF LR ~40 KM |
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| Indicators: | Card status.
Port status. |
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ATM Service Interface (ASI-1, LM-2T3)
| Capacity | 2 ports per card. |
| Interface: | T3 |
| Line Rate: | 96,000 cells/sec. |
| No. of channels per card: | 1000 |
| No. of channels per node: | 1000 or 5000 (grouped) |
| VPI Addressing Range: | 0--255 (UNI), 0-1023 (NNI_7 |
| VCI Addressing Range: | 1--4095 |
| Queues: | 32, 16 per line (port) includes CBR, VBR, and ABR queues. |
ATM Service Interface (ASI-1, LM-2E3)
| Capacity | 2 ports per card. |
| Interface: | E3 |
| Line Rate: | 80,000 cells/sec. |
| No. of channels per card: | 1000 |
| No. of channels per node: | 1000 or 5000 (grouped) |
| VPI Addressing Range: | 0--255 (UNI), 0-1023 (NNI_ |
| VCI Addressing Range: | 1--4095 |
| Queues: | 32, 16 per line (port) includes CBR, VBR, and ABR queues. |
ATM Service Interface (ASI-2, LM-OC3)
| Capacity | 2 ports per card. |
| Interface: | OC3 |
| Line Rate: | 353,208 cells/sec. |
| No. of channels per card: | 1000 |
| No. of channels per node: | 1000 or 5000 (grouped |
| VPI Addressing Range: | 0--255 (UNI), 0-1023 (NNI_ |
| VCI Addressing Range: | 1--4095 |
| Queues: | 24, 12 per line (port) includes CBR and VBR queues. |
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