Access interfaces

1. Summary

This document briefly describes the technical characteristics of the Ethernet-type interfaces and the telephony interfaces used to connect end-user telecommunications equipment to the network of Atlantis Net OOD.

2. Purpose

The information provided is intended to facilitate the use and design of end-user equipment and its operational and functional compatibility with the Atlantis Net telecommunications network.

3. General description

3.1. Internet access interfaces

The Ethernet interface covers a group of network applications based on the standardised networking standard defined in IEEE 802.3. This interface is used to establish the connectivity through which the end user can access the internet-based services offered over the Atlantis Net data network.

3.1.1. Copper transmission medium

The interfaces providing this connectivity at 10/100 Mbps can operate in half or full duplex mode.

The same interface is used for communication via the 10Base-T standard (per IEEE 802.3) and 100Base-TX (per IEEE 802.3u), as well as via the 1000Base-T standard (IEEE 802.3ab). Transmitted packets must conform to the norms described in IEEE 802.3.

1000BASE-T is a gigabit Ethernet standard over a copper medium, compliant with IEEE 802.3ab.

Connections over the interfaces described above use an RJ45 connector (female or male), in accordance with the TIA/EIA-568-B standards.

3.1.2. Optical transmission medium

• 1000BASE LH/LX GBIC (Gigabit Interface Converter) — compliant with IEEE 802.3z.
• 1000BASE-BX-D and 1000BASE-BX-U — single LC/PC, SC/PC (APC/UPC) connector, compliant with IEEE 802.3ah.
• 10GBASE-SR/LR — LC/PC, SC/PC (APC/UPC) connector, compliant with IEEE 802.3ae-2002.
• PON/GPON — single SC/PC (APC/UPC) connector, compliant with ETSI TS 101 272; ITU-T G.984.

3.1.3. Wireless access interfaces

The wireless equipment used for access to the Atlantis Net network complies with the IEEE 802.11 standard in its 802.11a, 802.11b, 802.11g and 802.11n variants, with the WEP authentication protocol.

Remote powering per the IEEE 802.3af-2003 standard.

3.1.4. Additional notes

The logical interfaces are Internet Protocol and Dynamic Host Configuration Protocol per RFC 791 and RFC 2132. IEEE 802.1Q VLAN packets can be carried transparently or administered automatically or manually. Switched Ethernet end-user devices must provide a dynamic MAC address table with at least 2K entries.

3.2. Telephony interfaces

3.2.1. Analogue telephone interface (POTS)

Complies with the ETSI standard ETSI EG 201 188 V1.2.1 (2000-01). Connector type: RJ-11.

3.2.2. ISDN (BRI) Basic rate

Complies with the ETSI standard ETSI EN 300 402. Physical interface per ETSI EN 300 012-1. Connector type: RJ-45.

3.2.3. ISDN (PRI) Primary rate

Complies with the ETSI EN 300 403 standard. Physical interface type: ITU-T G.703, balanced 120 Ω or unbalanced 75 Ω. Connector type: RJ-45 or BNC.

3.2.4. IP Trunk SIP (Session Initiation Protocol)

IP trunk over SIP v2 (RFC 3261). Supported codecs: G.711U, G.711A, G.729. DTMF relay: RFC 2833 (RTP-NTE). Physical interface: 100Base-TX Ethernet per IEEE 802.3u.

3.2.5. IP Trunk H.323

IP trunk over ITU H.323v4. Supported codecs: G.711U, G.711A, G.729. DTMF relay: RFC 2833 (RTP-NTE). Physical interface: 100Base-TX Ethernet per IEEE 802.3u.

3.3. Television interfaces

Digital television over coaxial cable or GPON 1550 nm — DVB-C with MPEG-2 and MPEG-4 digital video/audio streams, QAM modulation and encryption.

Receiver: ETSI EN 300 421; ETSI EN 302 307; AVC/H.264/H.265; USB 2.0/3.0; F connector (IEC 169-2 male). TV output: HDMI, SCART, AV.

4. Electromagnetic compatibility of the interfaces

The network equipment involved in operating the interfaces listed above complies with the current electromagnetic compatibility regulations:

• BDS EN 55022 (CISPR 22) — electromagnetic interference;
• BDS EN 50082-1 (IEC 801-2, IEC 801-3, IEC 801-4) — electromagnetic immunity;
• BDS EN 60950 (IEC 950) — safety.

Last revised: 1 December 2025.