Cisco IGX 8 Specification Sheet page 5

T1 Interface
Line Rate:
Line Code:
Framing Formats:
Signal Level:
Line Impedance:
Pulse Amplitude
Minimum Pulse Density:
Frame Format:
VF Signalling:
Max. Line Lengths:
Jitter Transfer:
Jitter Tolerance:
Connector:
1.544 Mbps, 50 bps ( 200 bps VCO lock range).
Bipolar AMI or B8ZS.
Fractional T1, adjacent or alternating channels.
Minimum of four DS0 channels required.
DSX-1 compatible.
Terminated = 100 Ohms nominal. Bridged = 1 KOhm.
Individual pulse amplitude 2.4 V–3.6 V (making a total
base-to-peak amplitude of 6 V .6V)
Zero code suppression, either LSB or MSB.
D4 and Extended Superframe (ESF).
Robbed bit D4 with A and B bits.
Up to 533 feet with equalizers using ABAM cable.
Meets AT&T PUB 62411 specifications.
Meets ANSI standards and AT&T PUB 62411 specs.
DB 15 female.
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