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:

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.

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.

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 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)

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:

24, 12 per line (port) includes CBR and VBR queues.