
Blue Light Station KNEM-25
The blue light station has built-in ip phone motherboard and external metal casing. The structure is firm and reliable, and the function is as scalable as VoIP. Blue light stations are often used in large public places such as subways, airports, and train stations.It is often use in the blue light system. What is a blue light emergency tower?
Blue emergency tower is an emergency post-type intercom placed outdoors to improve public network security. It is often used in university campuses, with blue alarm lights, which can improve campus security.
DESCRIPTION
1. Metal body, solid and temperature bearable
2. Handset free
4. With or without keypad optional
5. Lightning protection standard to ITU-T K21
6. Waterproof grade about IP66
7. Body with grounding connection protection
8. Support hotline call, self stop if the other side hang up 9. Built-in loud speaker, noise canceling microphone
10. AC 110v-220v powered or POE
11. The design is super thin and smart. Embed style and hanging style can be chosen
12. Time out function optional
13. Stainless steel , If the qty over 100pcs can be To customer specification
14. Incoming call and outgoing call lamp indicator
15. Small lamp is on at night and off during daytime
16. ETS Mushroom Button is integrated (with key protection to be activated)
Certification:
EMC: EN50121 (Railway application- Electromagnetic Compatibility)
EN55022: emissions
EN55024: immunity
Ingress Protection: GB4208-93 IP66
FCC
ITU-T Recommendations K21
THCHNICAL SPECIFICATION
VoIP SIP2.0 telephone DTMF dialing
MTBF:100000hours MTTR: 2 hours
Hotline(maximum length of each number is 16 digits)
Communication: Full duplex 2-way hands-free communication
Call Control Signaling:VOIP SIP Info(DTMF), RFC 2833(DTMF)
Power:Power over Ethernet, IEEE802.3af, Class 0 Local power, 12VDC,Idle 2W, Max 10W
Auxiliary Contacts:1 Aux Output, dry contact
Contact Ratings. Load: Resistive load
Rated load:0.3 A at 125 VAC; 1 A at 30 VDC
Rated carry current:1A
Max.switching voltage:125 VAC, 30VDC
Max.switching current:1A
Audio Codes:G.711, G.722, G.729
Network:10/100 BaseTX Ethernet, RJ45 connectors, Cat5e or better
IP Protocols:IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP
LAN Protocols:Power over Ethernet(PoE,802.3af), WLAN(IEEE 802.3af), Network Access
Control(IEEE 802.1x),STP(IEEE 802.1d), RSTP(IEEE 802.1d-2004)
Programming: Non-volatile flash memory programming
and configuration through Web GUI
Management and Operation:DHCP and static IP, remote automatic software upgrade, centralized monitoring, status LED
Echo cancellation code:G.167/G.168
Environment conditions:
Ambient temperature: -40?? to 40??. Relative humidity:10%~95%
Atmospheric pressure: 86~106Kpa Circumstance noise:less than 60dB(A)
Tags:solar panel,Emergency call box,SOS telephone
Blue Light Station System
The blue station is mainly an emergency help-seeking station that combines emergency help columns and blue lights. The blue light help system uses centralized management and regional management.

Blue Light Station application
The blue light station is used in the waiting room.

Blue Light Station detailed picture
Blue Light Station Front and side views
