1. 서론
The NETGEAR CM700 High Speed Cable Modem provides a reliable connection to high-speed cable Internet. Engineered with DOCSIS 3.0 technology and 32x8 channel bonding, it supports cable internet plans up to 800Mbps. This modem is designed to be compatible with major cable internet providers, offering a cost-effective alternative to renting equipment from your service provider.
2. 패키지 내용
패키지에 모든 품목이 들어 있는지 확인하세요.
- High Speed Cable Modem (CM700)
- 이더넷 케이블
- 빠른 설치 가이드
- 전원 어댑터
3. 제품 오버view
3.1 전면 패널
The front panel of the CM700 modem features several LED indicators that provide status information about your connection and device operation.

그림 1: 전면 view of the NETGEAR CM700 cable modem with indicator lights for power, internet, upstream, downstream, and Ethernet activity.
3.2 후면 패널
The rear panel contains all the necessary ports for connecting the modem to your internet service and other devices.

그림 2: 후면 view of the NETGEAR CM700 cable modem, highlighting the Ethernet port, Reset button, Cable/Internet coaxial connector, Power input, and On/Off switch.
4. 설정 및 설치
4.1 호환성 검사
Before installation, verify that your internet service provider (ISP) supports the NETGEAR CM700 modem. This modem is compatible with major cable internet providers including Xfinity by Comcast, COX, and Spectrum. It is not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH, or any bundled voice service.

Figure 3: Compatibility logos for Xfinity, Cox, and Spectrum, confirming support for the CM700 modem.
4.2 물리적 연결
- Power Off Existing Equipment: Disconnect power from your existing modem and router (if applicable).
- 동축 케이블 연결: Connect a coaxial cable from the wall outlet to the Cable/Internet port on the rear of your CM700 modem. Ensure the connection is secure.
- 이더넷 케이블 연결: Connect one end of the provided Ethernet cable to the Ethernet port on the rear of your CM700 modem. Connect the other end to your computer or to the WAN/Internet port of your Wi-Fi router.
- 전원 어댑터 연결: Plug the power adapter into the Power port on the modem and then into an electrical outlet. Press the On/Off button if present.
- 불빛을 기다리다: Allow the modem several minutes to power on and establish a connection. The Power, Downstream, Upstream, and Internet LEDs on the front panel should turn solid green or blue, indicating a successful connection.
4.3 Activate Your Internet Service
After connecting the modem, you will need to activate your internet service. The activation process varies by ISP:
- 엑스피니티: For Xfinity customers, fast web self-activation is often available. Open a web browser on a connected device and follow the on-screen instructions. If self-activation fails, call Xfinity customer support.
- Other ISPs (Cox, Spectrum, etc.): Contact your ISP directly to activate the modem. You will typically need to provide the modem's serial number and MAC address, which are located on a label on the modem.
5. 모뎀 작동
5.1 LED 표시등
The LED lights on the front of your CM700 modem provide important status information:
| 주도의 | 상태 | 설명 |
|---|---|---|
| 힘 | 솔리드 그린 | 모뎀의 전원이 켜져 있습니다. |
| 하류 | 솔리드 블루 | Downstream channel is locked (DOCSIS 3.0). |
| 솔리드 그린 | Downstream channel is locked (DOCSIS 2.0). | |
| 녹색 깜박임 | 하류 채널을 스캐닝합니다. | |
| 상류 | 솔리드 블루 | Upstream channel is locked (DOCSIS 3.0). |
| 솔리드 그린 | Upstream channel is locked (DOCSIS 2.0). | |
| 녹색 깜박임 | 상류 채널을 스캐닝합니다. | |
| 인터넷 | 솔리드 그린 | 모뎀이 온라인 상태이며 인터넷에 연결되어 있습니다. |
| 녹색 깜박임 | IP address is being acquired. | |
| 이더넷 | 솔리드 그린 | 이더넷 포트에 장치가 연결되어 있습니다. |
| 녹색 깜박임 | 데이터가 전송되거나 수신되고 있습니다. |
6. 유지관리
- 놓기: Place the modem in a well-ventilated area to prevent overheating. Avoid placing it in enclosed spaces or near heat sources.
- 청소: Use a soft, dry cloth to clean the modem. Do not use liquid or aerosol cleaners.
- 펌웨어 업데이트: Firmware updates are typically managed by your cable internet provider. Ensure your modem is always connected to the internet to receive these updates.
- 정기 재부팅: Occasionally restarting your modem (power cycling) can help resolve minor connectivity issues and improve performance. To do this, unplug the power adapter, wait 10-15 seconds, and then plug it back in.
7. 문제 해결
7.1 인터넷 연결 없음
- 케이블 확인: 동축 케이블, 이더넷 케이블, 전원 케이블 등 모든 케이블이 모뎀과 벽면 콘센트에 제대로 연결되어 있는지 확인하십시오.
- LED 상태 확인: Refer to the LED indicator table in Section 5.1. If the Downstream, Upstream, or Internet LEDs are not solid, there may be an issue with your cable signal or ISP connection.
- 모뎀 전원을 껐다 켜기: Unplug the modem's power adapter, wait 10-15 seconds, and plug it back in. Allow several minutes for the modem to restart and reconnect.
- 인터넷 서비스 제공업체(ISP)에 문의하세요: If the issue persists after checking connections and power cycling, contact your internet service provider. There might be an outage in your area or a problem with your service.
7.2 Slow Internet Speeds
- Verify Plan Speed: Confirm that your internet plan speed matches the capabilities of your modem. The CM700 supports plans up to 800Mbps.
- 직접 테스트하기: Connect a computer directly to the modem's Ethernet port (bypassing your router) and perform a speed test. This helps determine if the modem or your router is the bottleneck.
- 간섭 확인: If using a Wi-Fi router, ensure it's placed optimally and not experiencing interference from other devices.
- 인터넷 서비스 제공업체(ISP)에 문의하세요: If speeds remain consistently low, contact your ISP to check your line quality and service provision.
8. 사양
| 특징 | 세부 사항 |
|---|---|
| 모델 번호 | CM700-100NAS |
| DOCSIS 표준 | DOCSIS 3.0 |
| 채널 본딩 | 32x8 (32 downstream, 8 upstream) |
| 최대 다운로드 속도 | 최대 800Mbps(ISP에 따라 다름) |
| 이더넷 포트 | 1 기가비트 이더넷 포트 |
| 치수(길이x너비x높이) | 6.6 x 5.2 x 1.7 인치 |
| 무게 | 8.8 온스 |
| 권tage | 100-240 볼트 |
| 운영 체제 호환성 | 마이크로소프트 윈도우 |
9. 보증 및 지원
For warranty information and technical support, please visit the official NETGEAR website. You can find detailed warranty terms and contact information for customer support at www.netgear.com/warranty.