AC Adapter for D-Link DSL-2740B ADSL2+ Modem with Wireless N300 Router Power PSU | eBay
Amazon.com: SLLEA 12V AC/DC Adapter for D-Link DSL-2740B ADSL2+ Modem with Wireless N 300 Router Power Supply Cord Cable Wall Charger Mains PSU : Electronics
Amazon.com: MyVolts 12V Power Supply Adaptor Compatible with/Replacement for D-Link DSL-2740B E1 Router - US Plug with Extension and ON/Off Switch : Electronics
OpenWrt Wiki] Techdata: D-Link DSL-2740B/1B F1 (EU)
D-Link DSL-2740B
DSL-2730B, DSL-2740B, DSL-2750B. - ppt video online download