B. Pin Assignments and Indicators

1000-A2-GN22-00

 

 

Table B–1. Connection Requirements and Physical Layer

Specifications

Connections

Cables, Connectors, and Specifications

 

 

 

ATM packet network

Physical interface:

Short-haul, SMF or MMF, OC-3

(OC-3 fiber optic cables)

 

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

Physical interface:

DS-3 short-haul coaxial cable

(DS-3 coaxial cables)

 

ATMduplexmodulelink betweenis a 44.736the MbpscPCI busfull

 

 

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

 

 

 

 

 

B-2

February 2003

Page 140
Image 140
Paradyne manual DBm, CPX-1000 and the external, ATM network, Line coding