6 Channel E1 FXO/DPT Module (Half Size)
6 Channel E1 FXO/DPT, 2Wire w/ER, LS/GS, 600/900 ohm DPT w/wink
12 Channel E1 FXO/DPT Module (Full Size)
12 Channel E1 FXO/DPT, 2Wire w/ER, LS/GS, 600/900 ohm DPT w/wink