Verilink Access-T ACST-211 T1 CSU/DSU - ACST-211

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Product Overview

Combining the features of a multiplexer, a DSU, and a CSU, the Access-T ACST-211 let you leverage the full benefits of today s full and fractional T1 services. while consolidating your architecture. At the same time, Access-T helps simplify network management by providing centralized configuration, performance monitoring, and diagnostics through a menu-driven terminal interface, plus SNMP.

Access-T ACST-211 is ideal for networking sites, multiplexing two high-speed serial data ports. Additionally, it offers an drop-and insert (add/drop) T1 port for integrating voice and data.


Mfg Part# ACST-211
SKU 10292355
UPC 654682870149
UPC 14 00654682870149
Serial Port Yes
Product Type CSU/DSU
Manufacturer Part Number ACST-211
Manufacturer Verilink Corporation
Product Model ACST-211
Product Name Access-T ACST-211 T1 CSU/DSU
Product Line Access-T
Brand Name Verilink
Package Contents Access-T ACST-211 T1 CSU/DSUAC power cable, 6 ft
Form Factor Rack-mountable
Height 1.8"
Width 17"
Depth 12"
Encoding Method AMI/B8ZS
Tech Specs
Electrical Interface EIA-530
Ports 1 x 15-pin DA-15 Network Physical / 2 x 25-pin DB-25 DTE Physical / 1 x BNC / 1 x RS-232 Management / 1 x RS-485 Management
Humidity Up to 95% Non-condensing Relative Humidity
Temperature 32°F (0°C) to 122°F (50°C) Operating
Thermal Dissipation 194.20 BTU/h @
Product Type T1 CSU/DSU
Manufacturer Part Number ACST-211
Manufacturer Website Address
Manufacturer Verilink Corporation
Product Name Access-T ACST-211 T1 CSU/DSU
Product Series Access-T
Brand Name Verilink
Data Transfer Rate 1.54 Mbps Network
Additional Information Drop-and-insert Port Framing T1: D4, ESF Channel Multiplexing: 1 to 24 DS0s; contiguous, alternate, or user-defined DS0 bundling
Package Contents Access-T ACST-211 T1 CSU/DSU AC power cable, 6 ft
Certifications & Standards FCC Parts 15 & 68 UL 1459 (Issue 2) AT&T ASDS and Accunet T1.5 AT&T Pub 54016 AT&T Pubs 62411 AT&T Pub 43602 ANSI T1.403 RFC 1406
Dimensions 1.75" Height x 17" Width x 12" Depth
Form Factor 19" Rack-mountable / 23" Rack-mountable
Input Voltage 115 V AC / -43 V DC to -53 V DC
Frequency 50 Hz or 60 Hz
Input Current 5 A @ 115 V DC
Management Terminal Interface: Menu-driven, VT100 or TV 925 ASCII terminal, to 9600 baud SNMP Interface: RS232 (SLIP/PPP); DS1 MIB (RFC 1406) Chain Management: Up to 30 units can be chained together and centrally managed Performance Monitoring: Per AT&T Pub 54016, ANSI T1.403, RFC 1406 24-Hour Registers: Per AT&T Pub 54016 (1989), plus BPVs; separate sets for network and T1 DTE One-Second Reports: Per ANSI T1.403 Alarm Reporting: Automatic dialout on user-specified alarms (Hayes-compatible dialer) Loopbacks: Per AT&T Pubs 62411 and 54016 (Issue 2), ANSI T1.403, and CCITT V.54; plus DTE and aggregate loopbacks Test Pattern: QRSS, channelized or transmitted over full T1; monitored for bit errors
Data Encoding AMI/B8ZS
Operating Mode Point-to-Point
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