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B. Pin Assignments and Indicators 1000-A2-GN22-00
B-2 February 2003
Table B–1. Connection Requirements and Physical Layer
Specifications
Connections Cables, Connectors, and Specifications
ATM packet network
(OC-3 fiber optic cables)
Physical interface: Short-haul, SMF or MMF, OC-3
fiber optic cable
ATM module is a 155-Mbps
SONET bridge between the cPCI
bus in the CPX-1000, and the
external ATM network.
Xmt power:
Multi-mode
19 to 14 dBm (nominal)
Single mode
15 to 8 dBm (nominal)
Rcv power:
Multi-mode
44.5 dBm to 8 dBm
Single mode
34 dBm to 8 dBm
Wave length: 1310 nm (typical)
Framing type: C-bit parity
Logical interface: UNI
Max. span length: SMF 5000m; MMF 550m
ATM packet network
(DS-3 coaxial cables)
Physical interface: DS-3 short-haul coaxial cable
ATM module is a 44.736 Mbps full
duplex link between the cPCI bus
in the CPX-1000 and the external
ATM network.
Impedance: 75
(nominal)
Max. span length: 450 ft. of 734A or equivalent
coaxial cable
Termination: Dual socket BNC coaxial
connectors
Signal amplitude: ±1.75 volts ±10%
Xmt power: -4.7 to +3.6 dBm
Transmission rate: 44.736 Mbps full duplex
Framing type: C-bit parity
Logical interface: UNI
Line coding: B8ZS