Paradyne Jetstream CPX-1000 User Manual
Page 141

February 2003
B-3
1000-A2-GN22-00
B. Pin Assignments and Indicators
Ethernet LAN
(10Base-T or 100Base-T)
Physical interface:
CAT-5 or equivalent cable
Termination: RJ-45
plug
T-1 PSTN
(Host Class 5 switch)
Physical interface:
DS1 short-haul 4-wire, twisted pair
(ABAM)
Impedance:
100
Ω (nominal)
Max. span length:
655 ft.
Line Build Out:
0–133 ft., 133–266 ft., 399–533 ft.,
533–655 ft.
(factory set per customer order)
Termination: RJ-48C
plug
Signal amplitude:
2.4 to 3.6V (DSX-1)
Rcv Attenuation:
<10dB (DSX-1)
Framing:
ESF (10 ms maximum)
Line coding:
B8ZS
Clock:
T-1/DS-1 Rcv span
(defaults to internal if Rcv fails)
STS-1 PSTN
(Host Class 5 switch)
Physical interface:
DS-3 short-haul coaxial cable
STS-1 module is a 51.84 Mbps full
duplex link between the cPCI bus
in the CPX-1000 and the external
PSTN network.
Impedance: 75
Ω (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:
-2.7 to +4.7 dBm
Transmission rate:
51.84 Mbps full duplex
Line coding:
B3ZS
Table B–1. Connection Requirements and Physical Layer
Specifications (Continued)
Connections
Cables, Connectors, and Specifications