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
А
C
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
Содержание ESR Series
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Страница 234: ...ESR Series User manual 234 In addition to RIP protocol configuration open UDP port 520 in the firewall ...
Страница 306: ...ESR Series User manual 306 Parameter targeted LDP Hold timer 45 seconds Keepalive holdtime 180 seconds ...
Страница 452: ...ESR Series User manual 452 Step Description Command Keys 4 Enable Tracking object esr config tracking enable ...
Страница 514: ...ESR Series User manual 514 esr show ntp peers ...