C450xr (Discontinued)
C450xr Specification
c400xr front
Key Features
World-wide ISDN Operation (13 International ISDN Standards on-board)
22.7KHz Stereo Over X.21 at 384Kbps

15.6KHz Stereo Over ISDN 4 x 64Kbps
Real-time Applications - 3.8ms Coding Delay
22.7KHz Mono Over ISDN 3 x 64Kbps
2 x 3.9KHz Mono Over ISDN 64Kbps
20 Bit A/D & D/A Conversion

AES/EBU Digital Interface with Sample Rate Conversion
2.4 / 4.8 / 9.6 Kbps Auxiliary Data Port
20 Bit VU Meters
Bi-directional Operation
Full Remote Management Facility
External Trigger Dial of ISDN (Contact Closure input)
Dial on Audio / Hang on Silence (Dial ISDN on Detection of Audio)
Studio to Transmitter Link with Fully Automatic Backup/Restore on ISDN
Selectable input monoising facility with left/right output duplication
26 Configuration Memories / Stores
1U Compact Rack mount Enclosure
Auto-ranging power supply
All Features Supplied as Standard

Audio Performance
Coding Standard
Coding Delay
Sample Rate (Fs)
Bandwidth
Format
S/N Ratio
I/P Impedance
I/P Level
I/P Connectors
O/P Impedance
O/P Level
O/P Connectors
Gain Trim Pots
Sub Band ADPCM
2.8ms at 22.7KHz Stereo
7KHz to 48KHz
5Hz to 22.7KHz @Fs=48KHz
Mono/Stereo
>80dB
>10K
+12dBu Max
XLR Balanced
<100R
+12dBu Max
XLR Balanced
+/- 0.5dB

Rear Panel
c450xr rear

X.21 Interface
Speed
Signals
Connection
56Kbps to 384Kbps
TXD, RXD, CLK, CTL,IND
15 Way D-Type Female

AES/EBU Interface
Clocking
Connection
Sample Rate Conversion
Digital Monoising function
32K, 48K Ext/Internal Reference
9 Way D-Type Female
Yes (2:1 sample rate ratio)
Yes

Auxiliary Data Port
Type
Speed
Signals
Connector
V.24 - Fixed DCE / DTE
2.4 / 4.8 / 9.6 Kbps Async 8,n,1
TXD, RXD, CTS, GND
25 Way D-Type Female

Management Port
Type
Speed
Signals
Connector
V.24 - Fixed DCE / DTE
9.6Kbps Async 8,n,1
TXD, RXD, GND
Dual 9 Way D-Type Female

Alarm Relays
Type
Signals
Connector
Double Contact Closure
GND, COM, NC, NO
25 Way D-Type Female

Power Requirements
Voltage
Power
Connection
85-260 VAC 60/50Hz Auto Ranging
20W
IEC Mains Plug

Physical Properties
Enclosure
Width
Depth
Height
Weight
1U 19" Rack mount
482mm
210mm
45mm
2.0Kg