Verilink 2000 (34-00182) Product Manual Instrukcja Użytkownika Pobierz pdf (Strona 6)

1-2 GENERAL

Features

✦ Stand-alone or nest mounting

✦ D4-to-D4, D4-to-ESF, ESF-to-D4, or ESF-to-ESF framing

✦ AMI or B8ZS line coding or AMI to B8ZS conversion

✦ Front panel test access jacks

✦ RS-232 supervisory and network manager ports

✦ Separate user and telco performance registers with a 30-day history

✦ User and telco access via the ESF facility data link

✦ BERT with multiple patterns and selectable looping tests

✦ End-to-end user control and access to unit performance data, unit configuration,

and unit status (normal, looped, and alarm)

✦ Optional EM8000 Element Manager and 8100A Site Controller

✦ Programmable threshold alarms with audible output to indicate a local alarm condition

✦ Full ALBO levels (telco) and DSX levels (user)

✦ Field software upgrades (Flash PROM memory)

✦ Battery-backed RAM configuration storage

Specifications

Network

Interface

Line Rate: 1.544 Mbps, ± 50 bps for internal clock, ± 200 bps in

through mode

Line Framing: D4 or ESF

Line Code: AMI or B8ZS

Line Impedance: balanced 100 Ω (± 5%)

Input Signal: DS1, 0 to -27 dB (ALBO)

Output Signal: 3.0 V (±15%), base-peak into 100 Ω

Line Build Out: 0, -7.5, -15, and -22.5 dB attenuation

Line Protection: 1000 V lightning, fused inputand output

Jitter Control: per TR62411 and T1.403

Pulse Density: per TR62411

Equipment

Interface

Line Rate: 1.544 Mbps, ± 50 bps for internal clock, ± 200 bps in

through mode

Line Framing: D4 or ESF

Line Code: AMI or B8ZS

Line Impedance: balanced 100 Ω (± 5%)

Input Signal: DSX1 to -6 dB

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Verilink 2000 (34-00182) Product Manual Instrukcja Użytkownika Strona 6