DESCRIPTION

PROVIDES:

- reception / transmission of Ethernet frames across all interfaces;

- management from external equipment via SNMP protocol (version 2);

- filtering IP-packets by SNMP (version 2) set of criteria:


by IP address of the sender and recipient;

packages of service protocols serving to diagnose and control the operation of network devices (ICMP protocol);

taking into account the input and output network interfaces as a means of verifying the authenticity of network addresses;

taking into account the values ​​of the service field of the security label created by the OS MSVS;

at the transport level, requests to establish virtual connections (TCP, UDP protocols);

at the application level requests to application services based on the accounting of application addresses (ports of TCP and UDP protocols) of the sender and recipient;

taking into account the date / time;


- translation of network addresses using NAT technology (network address translation) and PAT (port address translation);

- support traffic prioritization mapped to priority switch LANs:

across the ToS field;

by the recipient's IP address;

by IP address of the sender;

- support for dynamic routing;

- support for multiple predefined routes;

- collection of statistics on transmitted, received, filtered packets using IP, TCP, UDP, ICMP protocols and its transmission upon request to external equipment;

- collection of statistics on transmitted, received, filtered packets by subscribers of the IP network and its transmission upon request to external equipment or generation of a notification to external equipment about the accumulation of a given amount of data;

- total cell bandwidth of an IP router of at least 80 Mbit / s of routed traffic;

- assignment to the Ethernet interfaces of the cells of the status of ports of control of these cells;

- management from external equipment via Ethernet interfaces 10/100 Base-T / TX, Ethernet 100Base-FX, RS-232 (technological) via SNMP protocol (version 2) with the following parameters:


a list of IP addresses from which remote control is allowed;

static routing settings;

IP packet filtering criteria;

turning on / off IP filtering;

turning on / off the sending of filter violation notices;

network address translation parameters;

traffic priority settings;

settings statistics collection;

turning on / off recording statistics files;

response settings for statistics file overflow;

time setting settings;

dynamic routing settings;


- installation via RS-232 interface (technological) of the ban on control from external equipment (while maintaining monitoring) via Ethernet 10/100 Base-TX or 100Base-FX Ethernet interfaces with the following parameters:


a list of IP addresses from which remote control is allowed;

IP packet filtering criteria;

turning on / off IP filtering;

turning on / off sending filtering violation notifications;

network address translation parameters;

settings statistics collection;

turning on / off recording statistics files;

response settings for statistics file overflow;

time setting settings;


- identification and authentication of the administrator by ID (code) and password, registration of events of entry (exit) of administrator ME into the system (from the system) or system loading and initialization and its program shutdown, registration of administrator actions to change filtering rules;

- the ability to control the integrity of its software and information part of the checksums in the boot process and dynamically, the recovery procedure after failures and equipment failures.


In each hot plug cell, the following interfaces are implemented:


Ethernet 10 / 100Base-TX - 6 pcs .;

Ethernet 100Base-FX combined with Ethernet 10 / 100BaseT / TX (IEEE 802.3-2002 standard) - 2 pcs .;

RS-232C (technological) in accordance with ITU-T Recommendations V.24 / V.28 - 1 pc .;

HDSL implemented using G.SHDSL technology (hereinafter HDSL interface) for work on an electrical cable with a linear transmission rate of up to 2.048 Mbps - 1 pc;

electric in accordance with Recommendation G.703, G.704 ITU-T with a transfer rate of 2.048 Mbps - 1 pc.



Ethernet 10 / 100Base-TX complies with the IEEE 802.3-2002g standard for the twisted pair version.

Ethernet 100Base-FX complies with the IEEE 802.3-2002g standard, performed on optical SFP transceivers with duplex LC connectors for a wavelength of 1310 nm. If necessary, any other SFP transceivers can be used.


RS232-C is made in accordance with standard V.24 / V.28. Signals GND, TxD, RxD are used. The transmission format is 8N1.

Е1 is made in accordance with ITU-T recommendation G.703, G.704 for transmitting signals with a speed of 2.048 Mbit / s over a twisted pair 120 Ω.


HDSL is implemented using G.SHDSL technology for work on an electrical cable with a linear transmission rate of up to 2.048 Mbps.

Power supply of the product is 220 V \ 50 Hz with automatic restoration of working capacity after switching off and subsequent switching on of the power supply and in cases of decrease or disappearance of the external power supply voltage.

The power consumption from the AC mains is not more than 14 VA.

The product is made in the form of a monoblock in the standard 19-inch base bearing structure "Euromechanika" with a height of 44.45 mm (1U) and a depth of 258 ± 2 mm from the front panel. The mass of the product is 4.5 ± 0.5 kg