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
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Serial encapsulation protocols:
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High-Level Data Link Control (HDLC) (default)
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Point-to-Point Protocol (PPP)
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Frame Relay
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Cyclic redundancy check (CRC) control, 16-bit CRC or 32-bit CRC
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Gap character (0x7e (flag) or 0xff (idle))
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Gap count (between 0 and 255, inclusive)
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TX and RX data inversion
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E3 support:
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Framing control (g751 only)
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Clocking modes (local and line)
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Local (diagnostic), data terminal equipment (DTE), network (line) and network (payload) loopback
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Receive and transmit alarm processing (LOS, LOF, RAI, AIS)
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Performance and error counters
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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
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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
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Bit error rate testing
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B3ZS line coding.
Product Regulatory Compliance
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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
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UL 1950
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CSA C22.2 No. 950
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EN60950
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IEC 60950
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TS 001
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AS/NZS 3260
EMC
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FCC Part 15 (CFR 47) class A
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ICES-003 class A
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EN55022 class A
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CISPR 22 class A
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AS/NZS 3548 class A
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VCCI class A
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EN55024
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EN50082-1
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EN300386
Industry EMC, Safety, and Environmental Standards
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GE-63-Core NEBS level 3 requirement
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GR-1089-Core NEBS level 3 requirement
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ETS 300-019 storage class 1.1
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ETS 300-019 transportation class 2.3
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ETS 300-019 stationary use class 3.1