The DM704C converts G.703 signals at 2048kbit/s, with a frame structure according to G.704 for V.35 and V.36/V.11 interface signals. It is offered as a desktop chassis (195x200x44mm) with automatic selection of 93-250VAC or 36-72VDC power supply.

The DM704S converts G.703 signals at 2.048kbit/s rates with G.704 frame structures to V.35 or V.36/V.11 interfaces. It is comprised of a board of Telebrás standard dimensions, which can be used in both chassis and subracks in conformity with Telebrás' modem standards. These are the main features included:

The DM704SE is a device that uses the G.703 interface at 2,048kbit/s, with a frame structure in conformity with G.704, a V.35/V.11 interface or an Ethernet interface with the bridge remote functionality. Comprised of a Telebrás standard-size card, which can be used for both chassis and subracks in conformity with Telebrás' modem standards. These are the main features included:

The DM704CE is a device that uses the G.703 interface at 2,048kbit/s, with a frame structure in conformity with G.704, a V.35/V.11 interface or an Ethernet interface with the bridge remote functionality. Desktop converter (195x200x44mm), with 93-250VAC or 36-72VDC automatic power supply. These are the main features included:

The DM4E1S is an optical modem with solutions for end-to-end communications and capable of simultaneously connecting up to 4 independent aggregates. Also capable of connecting up to 6 tributaries of up to 2,048kbit/s, directing them to any of the available aggregate positions.

The DM991S 2W is a G.shdsl modem with E1 interface (G.703/G.704) and digital interface (V.35 - V.36/V.11) that can be used to transmit voice and data at up to 5,696kbit/s (BIS version) simultaneously. G.shdsl-compliant (ITU-T G.991.2) – the most modern and high performance HDSL modem standard.

The DM991S 4W is a G.shdsl modem with E1 interface (G.703/G.704) and digital interface (V.35 - V.36/V.11) that can be used to transmit voice and data at up to 11,392kbit/s (BIS version) simultaneously. G.shdsl-compliant (ITU-T G.991.2) – the most modern and high performance HDSL modem standard.

The DM991SE 2W is a G.shdsl modem with E1 interface (G.703/G.704), digital interface (V.35 - V.36/V.11) and Ethernet (10/100BaseT) that can be used to transmit voice and data at up to 5,696kbit/s (BIS version) simultaneously. G.shdsl-compliant (ITU-T G.991.2) – the most modern and high performance HDSL modem standard.

The DM991SE 4W is a G.shdsl modem with E1 interface (G.703/G.704), digital interface (V.35 - V.36/V.11) and Ethernet (10/100BaseT) that can be used to transmit voice and data at up to 11,392kbit/s (BIS version) simultaneously. G.shdsl-compliant (ITU-T G.991.2) – the most modern and high performance HDSL modem standard.