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Modular fractional T1 to Ethernet or Serial Data Port access unit AC powered

CTC Union Part No.: TTU01-AC

  • $ 400.00 or



The TTU01 access unit has a modular slot that accommodates Ethernet or Serial data ports to connect to fractional T1 (DS1) interfaces. TTU01-AC is available with AC (100-240V)power supply unit. Most common data ports are V.35 and X.21. Among data modules available for the TTU01-AC we can find also a router Ethernet module, RS-530 or RS-449 modules and also G703 64K co-directional modules. TTU01-AC packs data on user selected DS0 channels. Unused channels can have Idle state or received channel state for cascade operation. TTU01-AC is top model for T1 access units, being able to provide Ethernet bridge and Ethernet Routing modules for data access.

Features of TTU01-AC access unit

  • Terminates Fractional T1 service
  • Modular structure, user can replace data module interface
  • Clock regeneration from AMI or B8ZS data, multiple clock source
  • V.54 diagnostic capabilities for loopback
  • Rack mounting unit option
  • AC 100-240V power available, power cord supplied in the package

Technical specifications

  • Connectors: slot for data module and T1 DB15 female/RJ48c 100ohm connector for T1 access
  • Framing: Unframed/Framed CCS/CAS/CRC4
  • Data rate: 1544Kbps unframed, n X 64Kbps or n X 56Kbps(n=1~24)
  • LEDs: PWR/ TD/ RD/ RTS/ DCD/ T-CLK Loss/ Red Alarm/ Sync Loss/ Yellow Alarm/ Err/ Test
  • Power: AC 100-240V plug
  • Temperature: 0-50§C (Operating), 0 - 70§C (Storage)
  • Humidity: 5%-90% non-condensing
  • Dimensions: 195mm x 255mm x 45mm
  • Weight: 1500g
  • Compliance: ANSI T1.403, AT&T TR-62411, ITU-T G.703, G.704, G.706, G.732, G.824

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