BPX Node Specifications

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:

T3, E3, OC3, and OC12.

Network Trunks:

32 per node max.

Network Interface Protocol:

ATM layer using 53-byte cell.

Cell Switching:

Crosspoint switch matrix, non-blocking.

Switch Capacity:

9.6 Gbps or 19.2 Gbps (with BCC-4)

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.

Line Rate

44.736 Mbps +/- 20 ppm

34.368 Mbps +/- 20 ppm

Line Code

B3ZS

HDB3

Cell Transfer Rate

96,000 cells per second

80,000 cells per second

Framing

ANSI T1.107, T1.107a

ITU T G804, G.832

Signal Level

TA-TSY-000773 (PLCP)

ITU-T G.703

Transmission Convergence Sublayer

DS3 PLCP frame format

DS3 HEC mapped format

G.832 E3 frame format

Port Interface

Trunk or UNI

ATM Layer Protocol

LMI, ILMI

Port Alarm Processing

LOS, LOF

Connector

SMB

Line Rate

155.52 Mbps

Line Code

NRZ

Signal Level

Min dBm

Max dBM

MMF LED TX

-22

-15

MMF LED RX

-34

-10

SMF IR TX

-15

-8

SMF IR RX

-34

-10

SMF LR TX

-5

0

SMF LR RX

-34

-10

Framing Format:

STS-3c, STM-1

Port Interface:

LMI, ILMI

ATM Cell Rate:

353,208 cells/sec.

Jitter:

ATM Forum UNI 3.1

ATM Layer Protocol:

LMI, ILMI

Port Alarm Processing:

LOS, LOF, LOP, Path AIS, Path Yellow

Line Errors Counted:

Connector:

SC for MMF, FC-PC for SMF (IR) and SMF (LR)

Max. Cable Lengths:

MMF ~2 KM

SMF IR ~20 KM

SMF LR ~40 KM

Indicators:

Card status,

Port status.

Line Rate

622.08 Mbps

Line Code

NRZ

Signal Level

Min dBm

Max dBM

SMF IR TX

-15

-8

SMF IR RX

-28

-8

SMF LR TX

-2

+2

SMF LR RX

-28

-8

Framing Format:

STS-12c, STM-4

Port Interface:

LMI, ILMI

ATM Cell Rate:

1,412,830 cells/sec.

Jitter:

ATM Forum UNI 3.1

ATM Layer Protocol:

LMI, ILMI

Port Alarm Processing:

LOS, LOF, LOP, Path AIS, Path Yellow

Line Errors Counted:

Connector:

SMF-FC

Max. Cable Lengths:

MMF ~2 KM

SMF IR ~20 KM

SMF LR ~40 KM

Indicators:

Card status,

Port status.

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 tthe 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.

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.

Line Rate:

155.52 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
KM SMF IR ~20
KM SMF LR ~40 KM

Indicators:

Card status.
Port status.

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.

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.

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: