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February 2003 D-5
1000-A2-GN22-00 D. Specifications
Table D–4. CPX-1000 Electronic Specifications
Parameter Specification
T1 PTSN Connections
Physical interface Short-haul 4-wire, twisted pair (ABAM) cable, shielded
Impedance 100
(nominal)
DS1 max. span length 655 ft.
Line Build Out 0–133 ft., 133–266 ft., 399–533 ft., 533–655 ft. (customer order)
T1 Max span length 0–5000 ft. (NEBS certified)
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 T1/DS-1 Rcv (defaults to internal if Rcv fails)
STS-1 PSTN Connections
Physical interface coaxial cable
Impedance 75
(nominal)
max. length 450 ft.
Line Build Out 0–50 ft., 50–450 ft.
STS-1 Max span length 450 ft
Termination BNC
Framing STS-1
Line coding B3ZS