External power supply 1 |
18 to 56 VDC |
External power supply 2 |
18 to 56 VDC |
Power consumption |
8 W max |
Microphone input (Audio input 1) |
Sensitivity |
-48.5 to -26 dBV |
Impedance |
1360 ohm |
Frequency response |
100 Hz to 15 kHz |
S/N |
>60 dB |
Supervision detection |
Electret: 0.4 – 5 mA Dynamic: 120 – 1300 ohm |
Line Inputs (Audio input 1 and 2) |
Sensitivity |
-16.5 to +6 dBV |
Impedance |
22 kohm |
Frequency response |
20 Hz to 15 kHz |
S/N |
>70 dB |
Pilot tone detection level (Input 2 only) |
-30 dBV |
Line outputs (Audio output 1 and 2) |
Level |
6 dBV max |
Pilot tone level (Output 2 only) |
-20 dBV (20 kHz) |
Audio formats |
MPEG 1‑layer 3 (MP3) |
32, 44.1 and 48 kHz sample rate |
Encoding up to 192 kbps VBR |
Decoding up to 320 kbps (Stereo) |
MPEG 1‑layer 2 |
16, 22.05 and 24 kHz sample rate |
G.711 |
uLaw, aLaw at 8 or 24 kHz sample rate |
PCM |
16‑bit at 8 or 24 kHz sample rate |
Control inputs |
8 x |
Connectors |
Removable screw terminals |
Operation |
Closing contact (with supervision) |
Control / fault outputs |
8 x / 1 x |
Connectors |
Removable screw terminals |
Operation |
Make contact (SPST, voltage free) |
Rating |
24 V, 0.5 A |
Ethernet 1 and 2 |
Connector |
Dual RJ45, DTE-pinout |
Standard |
802.3i / 802.3u |
Speed |
10 / 100 Mbps, auto-negotiation |
Flow |
Full / half-duplex, auto-negotiation |
Protocol |
TCP/IP, UDP, RTP, SIP, IGMP, DHCP, SNMP |
RS 232 / RS 485 |
Connector RS 232 |
9‑pin Sub‑D male, DTE‑pinout |
Connector RS 485 |
Removable screw terminals |
Pinout |
300 to 115.200 Baud |
Setting (default) |
9600, 8, N, 1 |
Dimensions (H x W x D) |
216 x 38 x 125 mm( 8.5 x 1.5 x 4.92 in) (half 19” wide) |
Weight |
0.7 kg (1.5 lb) |
Mounting |
Stand‑alone or in 19”‑rack with additional frame |
Color |
Silver with Charcoal |
Operating temperature |
-5 ºC to +50 ºC (+23 ºF to +122 ºF) |
Start-up temperature |
0 ºC to +50 ºC (+32 ºF to +122 ºF) |
Storage and transport temperature |
-20 ºC to +70 ºC (-4 ºF to +158 ºF) |
Humidity |
15 to 90 % |
Air pressure |
600 to 1100 hPa |