DESCRIPTION

In block 1 of the product there are two identical MM cells, each of which has the following interfaces: Ethernet 10 / 100Base-TX - 6 pcs., Ethernet 100Base-FX - 2 pcs., RS-232С (technological) - 1 pc., Dry contact - 1 pc.

In blocks 2 and 3 of the product are four identical cells MME3, each of which implements the following interfaces: Ethernet 10 / 100Base-TX - 6 pcs., Ethernet 100Base-FX - 2 pcs., E1 - 4 pcs., E3 - 1 pc. ., RS-232С (technological) - 1 pc., Dry contact - 1 pc.


In blocks 4 and 5 of the product, four identical MMRS cells are located, each of which has the following interfaces: Ethernet 10 / 100Base-TX - 8 pcs., RS485 - 2 pcs., RS232 - 2 pcs., S1I-FL - 2 pcs. , V.36 - 1 pc., RS-232С (technological) - 1 pc., Dry contact - 1 pc.


The product contains two cells in each block to increase reliability due to their mutual redundancy, for which the external equipment connection circuit must ensure the integrity of the paths of Ethernet packets in case of failure of any cell.

PROVIDES:
- reception / transmission of Ethernet-packets on all interfaces, except for technological RS232;

- management from external equipment over specified Ethernet interfaces using SNMP v2 protocol;

- Attachment (bind) of an SNMP agent to a single IP address;

- SNMP message transmission when closing and opening dry contact;

- support of traffic priorities, displayed on 4 priority levels:

across the ToS field;

by the recipient's IP address;

by IP address of the sender.


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

for service protocols serving to diagnose and control the operation of network devices;

for input and output network interfaces as a checker

network address authentication;

for the values ​​of the service field of the security label created by the OS MSVS.


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

- support for dynamic routing;

- support of multiple predefined routes (“multiple default 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;

- the total bandwidth of the IP router is at least 80 Mbit / s with the firewall function disabled;

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

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

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

IP packet filtering criteria;

network address translation parameters;

traffic priority settings;

settings statistics collection function.

Interface parameters:

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

Ethernet 100Base-FX complies with IEEE 802.3-2002g, performed on SFP transceivers with duplex LC connectors for a wavelength of 1310 nm. If necessary, any other SFP transceivers can be used. When you remove transceivers (only when the power is off!) And then turn on the product, the corresponding 10 / 100Base-TX ports are activated.

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

The dry contact has 2 wires with a voltage of 6..9 V and a short-circuit current of 10..25 mA for connecting a contact sensor.

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.

E3 is made in accordance with ITU-T recommendation G.703 for transmitting signals with a transmission rate of 34.368 Mbit / s over a 75-ohm coaxial cable.

RS-485 is made in accordance with ITU-T Recommendation V.11 for transmission speeds of 1.2, 2.4, 4.8, 9.6 and 19.2 kbit / s with galvanic isolation.

RS-232C is made in accordance with ITU-T Recommendation V.24 / V.28 for transmission speeds of 1.2, 2.4, 4.8, 9.6 and 19.2 kbit / s with galvanic isolation. Signals GND, TxD, RxD are used. The transmission format is 8N1.

C1-I is made in accordance with GOST 27232-87 for synchronous transmission for speeds of 1.2; 2.4; 4.8; 9.6; sixteen; 19.2; 32 kbit / s galvanically isolated.

V.36 is made in accordance with the recommendations of ITU-T V.11 with a transfer rate of n x 64 kbit / s (n = 1, 2 ... 30). Implemented circuit RC, RxD, TC, TxD, TT, RTS, CD, CTS, DSR, LL.

The product is made in the form of five blocks in a 19-inch base bearing structure “Euromechanika” with a height of 1U (44.45 mm) and a depth of no more than 260 mm. Product weight - no more than 25 kg.

Power supply of a product 220 V \ 50 Hz with automatic restoration of working capacity after switching off and after the next power up and in cases of lowering or loss of voltage of external power supply.

Power consumption from AC mains no more than 90 watts