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-6 IGX Installation Manual, Release 8.2.3
T1 Interface on FRM
Line Rate: 1.544 Mbps, ± 50 bps (± 200 bps VCO lock range).
Line Code: Bipolar AMI or B8ZS.
Framing Formats: Fractional T1, adjacent or alternating channels.
Minimum of four DS0 channels required.
Signal Level: DSX-1 compatible.
Line Impedance: Terminated = 100 Ohms nominal. Bridged = 1 KOhm.
Pulse Amplitude Individual pulse amplitude 2.4 V–3.6 V (making a total
base-to-peak amplitude of 6 V ± .6V)
Minimum Pulse Density: Zero code suppression, either LSB or MSB.
Frame Format: D4 and Extended Superframe (ESF).
VF Signalling: Robbed bit D4 with A and B bits.
Max. Line Lengths: Up to 533 feet with equalizers using ABAM cable.
Jitter Transfer: Meets AT&T PUB 62411 specifications.
Jitter Tolerance: Meets ANSI standards and AT&T PUB 62411 specs.
Connector: DB 15 female.