TP-Link Archer CR1900 Wireless Wi-Fi Cable Modem user manual

Contents hide

1 TP-Link Archer CR1900 Wireless Wi-Fi Cable Modem

2 Modem Information

3 Highest Service Level

4 Front View

5 Back View

6 MAC Address / WiFi Network Label

7 Troubleshooting

8 Manufacturer Resources

8.1 References

8.2 Related Posts

TP-Link Archer CR1900 Wireless Wi-Fi Cable Modem


Modem Information DOCSIS 3.0 Dual Band 802.11-AC WiFi Modem 24×8 channel bonding To achieve Gigablast or Ultimate Classic speeds, a DOCSIS 3.1 modem is required	Highest Service Level Ultimate 500

Modem Information

DOCSIS 3.0 Dual Band 802.11-AC WiFi Modem

24×8 channel bonding

To achieve Gigablast or Ultimate Classic speeds, a DOCSIS 3.1 modem is required

Highest Service Level

Ultimate 500


Front View Click to enlarge.		After the cable modem is successfully registered on the network, the Power, Downstream, Upstream, and Internet indicators illuminate continuously to indicate that the cable modem is online and fully operational.

Back View Click to enlarge.		The following ports are available on the back of the modem. RESET – Use a pin to press and hold for at least 8 seconds to restore factory settings WPS – The button to enable or disable the WPS function WiFi ON/OFF – The button to enable or disable the WiFi function USB1 and 2 – Connects to a USB storage device or printer LAN1-4 – Connects devices to the 10/100/1000 RJ45 Ethernet ports. Only one port is active at a time. CABLE – Connects to coaxial cable DC – Connects to the power adapter Power ON/OFF – The button to turn on or off the power

MAC Address / WiFi Network Label Click to enlarge.		This label is located on the bottom of the device. MAC addresses are written as 12 digits containing both letters and numbers (0-9, A-F). A MAC address is unique. The first six characters of the MAC address are unique to the manufacturer of the device. The default Network Name (SSID) and Wireless Password (PIN).

Troubleshooting

The lights indicate the current status of your modem. To troubleshoot any connection problems, use the table below.

Modem Light	Status	Problem
Power	On	None – the modem is powered on.
Power	Off	No power. Verify power supply connections and electrical outlet. Ensure the outlet is not connected to a switch. Press the Power ON/OFF button on the back of the modem to ensure it is turned on.
Downstream	Green	None – multiple downstream channels are in use.
	White	None – one downstream channel is in use.
	Flashing	None – scanning for downstream channels. Verify all cable connections and try resetting the modem.
	Off	Cable modem offline. Verify all cable connections and try resetting the modem.
Upstream	Green	None – multiple upstream channels are in use.
	White	None – one downstream channel is in use.
	Flashing	None – scanning for an upstream channel. Verify all cable connections and try resetting the modem.
	Off	No upstream channels are in use. Verify all cable connections and try resetting the modem.
Internet	On	None – the modem is online.
	Flashing	None – the modem is initializing.
	Off	The modem is offline. Verify all cable connections and try resetting the modem.
LAN	On	None – a device is connected to a LAN port.
LAN	Off	No devices are detected connected to a LAN port.
Wireless	On	None – the wireless network is enabled.
Wireless	Off	The wireless network is disabled. Press the WiFi ON/OFF button on the back of the modem to ensure it is turned on.
WPS	On/Off	None – the light stays on for 5 minutes after WPS is established.
WPS	Flashing	None – WPS connection in progress. This may take up to two minutes.