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Cisco 7304 6-Port Clear Channel E3 Line Card with Digital Service Unit.Major service provider and enterprise customers have requested a cost-effective and time-to-market solution for E3 interfaces on the Cisco...
Cisco 7304 6-Port Clear Channel
E3 Line Card with Digital Service Unit.
Major service provider and enterprise customers have requested a cost-effective and time-to-market solution for E3 interfaces on the Cisco 7304 platform for network edge aggregat

Cisco 7304 6-Port Clear Channel
E3 Line Card with Digital Service Unit.



Major service provider and enterprise customers have requested a cost-effective and time-to-market solution for E3 interfaces on the Cisco 7304 platform for network edge aggregation deployments. The Cisco 7304 6-Port E3 line card is a native line card designed for Cisco 7304 chassis only. It provides customers with 6-port E3 connections in a single interface slot, ideal for providing direct customer IP access or network-to-network connections where copper E3 is the only service to a remote point of presence (POP).




Cisco 7304 6-Port Clear Channel E3 Line Card Specifications


Features




  • Serial encapsulation protocols:




    • High-Level Data Link Control (HDLC) (default)

    • Point-to-Point Protocol (PPP)

    • Frame Relay




  • Cyclic redundancy check (CRC) control, 16-bit CRC or 32-bit CRC

  • Gap character (0x7e (flag) or 0xff (idle))

  • Gap count (between 0 and 255, inclusive)

  • TX and RX data inversion

  • E3 support:




    • Framing control (g751 only)

    • Clocking modes (local and line)

    • Local (diagnostic), data terminal equipment (DTE), network (line) and network (payload) loopback

    • Receive and transmit alarm processing (LOS, LOF, RAI, AIS)

    • Performance and error counters

    • Each channel can be configured to provide payload scrambling for either of the two (Digital Link and Kentrox) supported third-party DSU vendor modes as well as the default Cisco mode

    • The channels can be configured to allow fractional E3 bandwidth transmission (subrate), for either of the two supported third-party DSU modes, as well as the default Cisco mode

    • Bit error rate testing

    • B3ZS line coding.


    • Product Regulatory Compliance




      • Products bear CE marking indicating compliance with the Cisco 89/366/EEC and Cisco 73/23/ECC directives, which include the following safety and EMC standards.



      Safety




      • UL 1950

      • CSA C22.2 No. 950

      • EN60950

      • IEC 60950

      • TS 001

      • AS/NZS 3260



      EMC




      • FCC Part 15 (CFR 47) class A

      • ICES-003 class A

      • EN55022 class A

      • CISPR 22 class A

      • AS/NZS 3548 class A

      • VCCI class A

      • EN55024

      • EN50082-1

      • EN300386



      Industry EMC, Safety, and Environmental Standards




      • GE-63-Core NEBS level 3 requirement

      • GR-1089-Core NEBS level 3 requirement

      • ETS 300-019 storage class 1.1

      • ETS 300-019 transportation class 2.3

      • ETS 300-019 stationary use class 3.1









We prefer to ship UPS or FedEx, we also can ship DHL or US Postal Service. We can usually have it to your location overnight if needed. Additional Fee(s) may apply for special shipping. All equipment will ship from our warehouse located at our office in Springfield, MO. We can also ship overseas if needed and we only charge exact shipping costs. For most customers outside the USA and Canada, wire transfer is the only form of payment we will accept. Overseas customers can either arrange to have the equipment picked up in the USA or we will ship to your location by FedEx. We can also ship to a freight forwarder here in the USA. The purchaser will be required to pay for taxes and duties through customs in your home country.
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