Figure 5-8 Power Cable Between The Bts3900E And The Ac Surge Protection Box; Table 5-8 Pin Assignment For The Wires Of The Dc Power Cable Of The Bts3900E (North American Standard); Table 5-9 Pin Assignment For The Wires Of The Dc Power Cable Of The Bts3900E (European Standard) - Huawei BTS3900E GSM User Manual