ELTEX ESR Series User Manual

ESR-Series. User manual
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2.4.6 ESR-21 design
The device has a metal housing available for 19” form-factor rack mount; housing size is 1U.
ESR-21 front panel
The front panel layout of ESR-21 is depicted in figure 24.
Figure 24 – ESR-21 front panel
Table 21 lists sizes, LEDs and controls located on ESR-21 front panel.
Table 21 – Description of connectors, LEDs and controls located on ESR-21 front panel
№ Front panel element Description
1 220V АC Power supply
2 Power Device power LED
Status Device status LED
Alarm Device alarm presence and level LED
HA HA operation mode LED (is not supported in the current version)
3 F Functional key that reboots the device and resets it to factory default
configuration: - pressing the key for less than 10 seconds reboots the device.
- pressing the key for more than 10 seconds resets the device to factory
default configuration.
4 SD SD-card connector
5 USB1 USB 2.0 connector for connecting external USB devices
6 USB2 USB 3.0 connector for connecting external USB devices
7 Console Console port for local management of the device
8 RS-232 3 serial ports

ELTEX ESR Series Specifications

General

Model	ESR Series
Category	Network Router
Manufacturer	ELTEX
Management	Web interface, CLI, SNMP
Operating Temperature	0°C to 40°C
Dimensions	Varies by model
Weight	Varies by model
Routing Protocols	OSPF, BGP
WAN Interfaces	Ethernet, SFP
LAN Interfaces	Ethernet, SFP
VPN Support	IPsec, L2TP, PPTP
Firewall	Stateful packet inspection, ACLs
Power over Ethernet (PoE)	Available on some models
QoS	Traffic prioritization