BPX Node Specifications

This chapter lists information for the BPX system specifications. For the latest information, refer to Cisco online documents.


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, nonblocking.
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 colocated IGX node 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, 5A-120VAC rating.
Operating Environment:	Operating Conditions are listed in Table 30-1.
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 30-1 Ambient Temperature and Humidity Limits
Conditions	Limits
Conditions	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% (noncondensing)
Short-Term Relative Humidity	10% to 80% (noncondensing)

¹Room temperature refers to conditions at a location 5 feet above the floor and 15 inches in front of the equipment.

ATM Trunk Interface (BXM-T3/E3 Cards)


Characteristic	T3 (DS3)	E3
Line Rate:	44.736 Mbps +/- 20 ppm	34.368 Mbps +/- 20 ppm
Line Code:	B3ZS	HDB3
Cell Transfer Rate:	96,000 cells per second (PLCP mode) 104268 cells per second (HEC/Direct mode)	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
T3 (DS3) and E3
Port Interface, trunk mode, -framing:	Framing for T3, C bit parity per ANSI T1.107/107A
-port alarm processing	RDI (yellow alarm) and AIS	—
Port Interface, port (UNI) mode:	—	—
ATM Layer Protocol:	LMI, ILMI
Port Alarm Processing:	LOS, LOF
Connector:	SMB

ATM Trunk Interface (BXM-15zM-622 Cards)


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 per second
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:	SMF IR ~20 KM
	SMF LR ~40 KM
Indicators:	Card status Port status

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 per second
Alarms Sent:	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:	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:	100 meters. Cabling must not exceed -6 dB/1000 feet at E3 rates. Cisco supplies cable with a maximum attenuation of 7 dB/1000 feet, but the maximum cable length must not exceed 100 meters.
Indicators:	Card status Port status

ATM OC3 Trunk Interface (BNI-OC3, LM-OC3)


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:	< 0.1 UI p-p, < 0.01 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

ATM Service Interface (BXM-T3/E3 Cards)


Capacity:	8 or 12 ports per card
Interface:	DS3/T3/E3
Line Rate:	DS3 44.736 Mbs, E3 34.368 Mbps
No. of channels per card:	16,000
No. of channels per node:
VPI Addressing Range:	ATM UNI 3.1 compliant
VCI Addressing Range:	ATM UNI 3.1 compliant
Queues:	16 COS with 32 Virtual Interface (VI) queues

ATM Service Interface (BXM-155 Cards)


Capacity:	4 or 8 ports per card
Interface:	OC-3c/STM-1
Line Rate:	155.52.08 Mbps
No. of channels per card:	16,000
No. of channels per node:
VPI Addressing Range:	ATM UNI 3.1 compliant
VCI Addressing Range:	ATM UNI 3.1 compliant
Queues:	16 COS with 32 Virtual Interface (VI) queues

ATM Service Interface (BXM-622 Cards)


Capacity:	1 or 2 ports per card
Interface:	OC-12/STM-4
Line Rate:	622.08 Mbps
No. of channels per card:	16,000/60,000
No. of channels per node:
VPI Addressing Range:	ATM UNI 3.1 compliant
VCI Addressing Range:	ATM UNI 3.1 compliant
Queues:	16 COS with 32 Virtual Interface (VI) queues

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 to 255 (UNI), 0 1to 023 (NNI)
VCI Addressing Range:	1 to 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 to 255 (UNI), 0 to 1023 (NNI)
VCI Addressing Range:	1 to 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 to 255 (UNI), 0 to 1023 (NNI)
VCI Addressing Range:	1 to 4095
Queues:

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