Specifications
Models
| Model | Number of serial ports |
|---|---|
| NS-2250-16 | 16 ports |
| NS-2250-32 | 32 ports |
| NS-2250-48 | 48 ports |
Appearance
Front of NS-2250
Rear of NS-2250
Specification
| ower voltage | AC100V-240V±10% | |
|---|---|---|
| Power frequency | 50/60Hz±3Hz | |
| Current consumption | AC 100 V: 0.32 A (maximum) AC 240 V: 0.18 A (maximum) |
|
| Power consumption | AC 100 V: 17 W (maximum) AC 240 V: 17 W (maximum) |
|
| Dimensions | Width | 425.5mm |
| Depth | 261.1mm | |
| Height | 43.7mm | |
| Weight | About 3.4 kg | |
| Environmental conditions | Operation | 5 to 40 °C, 15 to 85% RH (no condensation) |
| Storage | -10 to 60 °C, 90% RH or less (no condensation) | |
Supported standards
| Item | Standards / Regulations |
|---|---|
| Safety | IEC 62368-1:2014 (2nd Edition) EN 62368-1:2014 + A11:2017 (2nd Edition) |
| UL 62368-1:2014(2nd Edition) | |
| Emissions | FCC Part15, Subpart B Class A |
| EN 55032:2012 Class A | |
| EN 61000-3-2:2014 | |
| EN 61000-3-3:2013 | |
| VCCI Class A | |
| Immunity | EN 55024:2010 |
| EN 61000-4-2:2009 | |
| EN 61000-4-3:2006+A1:2008+A2:2010 | |
| EN 61000-4-4:2012 | |
| EN 61000-4-5:2006 | |
| EN 61000-4-6:2009 | |
| EN 61000-4-8:2010 | |
| EN 61000-4-11:2004 |
Features
| Port Access | Telnet/SSHv2/IPsec(Tunnel mode) |
|---|---|
| Direct mode/Select mode | |
| Simultaneously access by multiple users per port | |
| Operating(Read/Write)/Monitoring(Readonly) | |
| Authentication | local user, TACACS+, RADIUS |
| Storing port logs to | RAM, internal flash memory, NFS |
| Sending port logs to | syslog, e-mail(SMTP), FTP, TFTP |
| Other protocols | SNTP, SNMP(v1/v2c/v3), LLDP |
Package contents
- Rack mount bracket
- NS-354 DB9-RJ45 Adapter
- Ethernet Cable
- USB memory / strap clamp
- AC power cable clamp
- Readme first
