
Barrier-free IP Doorstation
N-8640DA | N-8640DS | N-8650DS | |
---|---|---|---|
Network |
10BASE-T/100BASE-TX (Automatic-Negotiation) |
10BASE-T/100BASE-TX (Automatic-Negotiation) |
10BASE-T/100BASE-TX (Automatic-Negotiation) |
Network protocol |
TCP/IP, UDP, ARP, ICMP, HTTP, RTP, IGMP |
TCP/IP, UDP, ARP, ICMP, HTTP, RTP, IGMP |
TCP/IP, UDP, ARP, ICMP, HTTP, RTP, IGMP |
Audio transmission system |
Unicast, Multicast |
Unicast, Multicast |
Unicast, Multicast |
Voice packet loss recovery |
silence insertion |
silence insertion |
silence insertion |
Audio delay time |
80 ms, 320 ms (controllable on the software) |
80 ms, 320 ms (controllable on the software) |
80 ms, 320 ms (controllable on the software) |
Frequency response |
300 Hz - 7 kHz |
300 Hz - 7 kHz |
300 Hz - 7 kHz |
Power source |
Power supply device that complies with IEEE802.3af standard or 12V DC, supplied from the AC Adapter (option) |
Power supply device that complies with IEEE802.3af standard or 12V DC (supplied from the AC Adapter (option) |
Power supply device that complies with IEEE802.3af standard or 12V DC (supplied from the AC Adapter (option) |
Power / current consumption |
4.2 W (at rated input), 5.2 W (max.) |
5 W (max.) |
5 W (max.) |
Speech method |
Hands-free conversation |
Hands-free conversation |
Hands-free conversation |
Audio output |
Induction Loop Amplifier: |
External Speaker Terminal: |
External Speaker Terminal: |
Control output |
Relay contact output, 1 channel, withstand voltage: 30 V DC, |
Open collector output, 4 channels, withstand voltage: 30 V DC, control current; Max. 50 mA (4 output 1COMMON), unterminated ends; |
Open collector output, 4 channels, withstand voltage: 30 V DC, control current; Max. 50 mA (4 output 1COMMON), unterminated ends; |
Operating temperature. |
-10 °C to +50 °C |
-10 °C to +50 °C |
-10 °C to +50 °C |
Operating humidity. |
90 % RH or less (no condensation) |
90 % RH or less (no condensation) |
90 % RH or less (no condensation) |
Dimensions. |
150 x 247 x 45 mm (W x H x D) |
115 x 162 x 58.5 mm (W x H x D) |
117.2 x 162 x 60 mm (W x H x D) |
Finish. |
Aluminium, brushed |
Metal |
ABS resin, dark grey |
Inputs |
1 channel, no-voltage make contact input, |
1 channel, no-voltage make contact input, |
|
Accessory (included) |
Box mounting screw x 8, Waterproof washer x 4, LAN coupler x 1 |
Box mounting screw x 8, LAN coupler x 1 |