Verilink 2000 (34-00182) Product Manual - Manual (Page 6)

1-2 G ENERAL
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