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The DataSMART Single-port Plug-In DSU/CSUs are designed for high-density T1/FT1 network installation. These DSUs provide rapid expansion capabilities and comprehensive management options appropriate for central offices, and corporate and government networks.
The DataSMART DSU/CSUs support data and voice applications such as Internet access, video teleconferencing, LAN-to-LAN communications, CAD/CAM and SNA applications.
LEDs: Power/fail, T1, Data port transmit, Data port receive, Data port CTS, Data port RTS
RS-422 / CCITT V.35
1 x 15-pin DA-15 Mechanical / 1 x RJ-48C Mechanical / 1 x 25-pin DB-25 Mechanical / 1 x 9-pin DE-9 Management
5 to 90% Non-condensing Relative Humidity Operating / 5 to 95% Relative Humidity Storage
32°F (0°C) to 122°F (50°C) Operating / -4°F (-20°C) to 150.8°F (66°C) Storage
Manufacturer Part Number
Manufacturer Website Address
DataSMART 554 T1 DSU/CSU
Data Transfer Rate
1.54 Mbps Network
Framing: SF, ESF, Ericsson Output Signal: DS-1 with LBO 0, -7.5, -15 dB (selectable) Lightning Protection: Withstands lightning surges and recovers 12-slot Shelf: 17 W x 7 H x 12 D; 12 lbs 2-slot Shelf: 17 W x 1.75 H x 12 D; 8 lbs
FCC Compliance: Part 68; Part 15, Class A NRTL Listed: UL 1950, 3rd Edition CSA: 22.2; No. 950 IC: CS-03
24 V DC to 48 V DC / 110 V AC
Control Ports: DCE and DTE, EIA-574, DE9 socket, Daisy chain, 38.4 kbps maximum, English menus, Async ASCII or SLIP/PPP In-band: FDL link, dedicated DS0, or 8-Kbps VC Performnace Monitoring: Methodology: T1.403 in-band performance monitoring Data Storage: Last 24 hours of data in 15 minute incre ments; last 7 days of data in 24-hour increments Registers: Separate for carrier and user Reports: Based on G.821 for performance, Far end, Alarm history, Network interface statistical
Local Loop Diagnostics: Loop Tests: Line loopback, Payload loopback, Data port loopback Line Test Codes: QRS, 3-in-24, 1-in-8, All 1s, All 0s Data Test Codes: 511, 2047 BERT Tester: Independent BERT on all test codes Alarms: Traps: SNMP Traps via SLIP/PPP or in-band ASCII: Transmitted out async control port
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