E6000 CER Upstream Cable Access Module 2
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The second generation UCAM (UCAM-2) provides hardware support for both DOCSIS® 3.0 single carrier QAMs (SC-QAMs) and DOCSIS 3.1 operation (OFDMA). The UCAM-2 hardware allows Operators to deploy both SC-QAMs and OFDMA on each physical port (i.e., each upstream service group); this will enable higher throughput with greater spectral efficiency while providing backward compatibility for all currently-deployed modems.
The Upstream Cable Access Module 2 (UCAM-2) is the second generation line card for the E6000 CER that provides upstream RF functionality. The UCAM-2 is designed to deliver hardware support for both SC-QAMs (i.e. DOCSIS 3.0) and OFDMA (i.e. DOCSIS 3.1) on a per-connector basis. From a hardware perspective, the UCAM-2 is capable of supporting an average of 12 SC-QAMs plus two blocks of 96 MHz OFDMA on each physical port. Migration to UCAM-2 for the existing E6000 deployed base is very simple. UCAM-2 utilizes the same Upstream Physical Interface Card (UPIC) as the Gen 1 UCAM, so no disconnecting of RF cables is required during the upgrade activity.
SUMMARY OF UCAM-2 FEATURES AND HARDWARE CAPABILITIES (PARTIAL LIST)
12 SC-QAMs per Physical Port
288 Total SC-QAMs per Module
Two (2) OFDMA Blocks per Physical Port, each up to 96 MHz
48 OFDMA Blocks per Module
5 – 204 MHz Upstream Passband
Compatible with RSM Gen 1 and RSM-2
Compatible with DCAM Gen 1 and DCAM-2
Deploys with same UPIC as Gen 1 UCAM
| RF Upstream | |
|---|---|
| Frequency Range (MHz) | 5 to 204 (5 to 85 supported in Rel. 4.0) |
| Channel Type | TDMA, ATDMA, TDMA/ATDMA, OFDMA (no OFDMA supported in Release 4.0) |
| Max OFDMA Channel Width (MHz) | 96 (two channels supported per port) (no OFDMA supported in Release 4.0) |
| SC-QAM Data Rate (Mbps, Max.) | 30.72 per channel |
| SC-QAM RF Input Level (dBmV) | -16 to +29 |
| SC-QAM Frequency Resolution (kHz) | < 1 |
| SC-QAM Symbol Rate (Ksym/sec) | 160, 320, 640, 1280, 2560, 5120 |
| SC-QAM Bandwidth per Channel (MHz) | 0.2, 0.4, 0.8, 1.6, 3.2, 6.4 |
| Physical | |
| Power | -48 VDC |
| Power Consumption | 260 W typ. at 25 °C |
| Operating Temperature (Short Term °F / °C) | +23 to +131 (–5 to +55) |
| Operating Temperature (Long Term °F / °C) | +41 to +104 (+5 to +40) |
| Storage Temperature °F (°C) | -40 to +158 (–40 to +70) |
| Operating Humidity (Min.–Max.) | 5 to 85% (Non condensing) |
| Dimensions (H × W × D) in. (cm) | 13.8 × 1.2 × 17.8 (35.0 × 3.0 × 45.3) |
| Weight lbs. (kg) | Approx. 6 (2.7) |
| Installation Environment (System Level) | |
| Management Interfaces | 100/1000 Mbps Ethernet (RJ-45) plus Console (serial port, RJ-45) |
| RF Connector Access | DS RF (F connectors) via rear of chassis; US RF (MCX connectors) via rear of chassis |
| NSI Connector Access | RSM ports via front of chassis |
| Management Access (System Level) | |
| In-band Management | Access Control Lists via any NSI port |
| Out-of-Band Management | Dedicated Ethernet port on RPIC |
| Console | Serial port on RPIC |
E6000 UCAM-2