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Managed T1/FT1 CSU/DSU - V.35

These managed CSU/DSUs process high-speed T1 data and share bandwidth, too.


Limited Quantity In Stock
Typically Ships within One Week
1 Year Double Diamond™ Warranty (Standard)

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Product Features

  • High reliability. Comply with full and fractional T1, and they support Frame Relay services.


  • Include a DB9 SNMP port.
  • DSX (drop and insert) model (MT1511A) enables you to connect to a PBX and share voice/data bandwidth.
  • All models include a DB9 (DCE) console port and have a V.35 female connector.
  • All include (1) 6-foot (1.8-m) RJ-48C cable.

  • Our Managed T1/FT1 CSU/DSUs (MT1510A-35, MT1511A, MT1510A-530) feature a single V.35 data port as well as an RS-232 console port. Plus, they come with a separate SNMP management port. Complete SNMP management with real-time alarm messages can be delivered to SNMP managers.

    The Managed T1/FT1 CSU/DSU with DSX (MT1511A) also has a DSX port that enables you to configure your T1 line to share bandwidth capacity for voice and data.

    All three managed CSU/DSUs feature critical information displayed with date- and time-stamped alarm information. Their menu structure enables easy setup and diagnostic testing from any VT100™ compatible device.

    Tech Specs

    Command Mode Console, SNMP, LCD/front panel
    Connectors MT1510A-35, MT1511A: (1) RJ-48C, (1) V.35 F, (2) DB9 F ([1] console, [1] SNMP management); MT1510A-530: (1) RJ-48C, (1) M/34 F, (2) DB9 F ([1] console, [1] SNMP management)
    Framing D4/ESF selectable
    Humidity Tolerance 95%, noncondensing
    Line Coding AMI/B8ZS selectable
    Line Rate 1.544 Mbps
    Network Interfaces T1
    Power Input: 120 VAC, 60 Hz, 19 W; Output: 12 VAC, 1800 mA
    Size 2.3"H x 8.5"W x 11.3"D (5.8 x 21.6 x 28.7 cm)
    SNMP Protocol SLIP
    Temperature Tolerance Operating: (0 to 40° C); Storage: (-20 to +70° C)
    Weight 7 lb. (3.2 kg)
    This product works with:
    This product works with:
  • V.35 Interface Cable, Male/Female (EYN450T-MF)
  • DB9 Extension Cable (with EMI/RFI Hoods) (EDN12H)
  • RS-530 Data Cable, Male/Female (EVN530T-MF, EVN530-MF)
  • Questions? Contact our FREE Tech Support.

    * Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 877-877-2269.



    Double Diamond Warranty Diamond

    Double Diamond™ Warranty (Standard)

    Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

    The Double Diamond Warranty is our warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The Managed T1/FT1 CSU/DSU - V.35 comes with a standard 1 Year Double Diamond™ Warranty (Standard) already included.

    During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!*

    Plus, get an Extended Double Diamond Warranty.

    You can also extend your warranty or protect a previously purchased Black Box® brand product** for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

    Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 724-746-5500.

    * Warranty subject to certain exclusions and limitations ** Certain products may not be eligible.

    What’s more, we also have a 45-day return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.