Key Features：
High availability
Hot swappable elements
Ease of maintenance
Up to 6 Channel Units (CUs) per chassis
Up to 16 transmit and 16 receive channels per CU
Integrated voice codecs
Common CU hardware and software for all channel types
Redundant Ethernet interface
Built-in dual polarization support

Specification:
Channel Unit Subsystem
Enclosure
19” / 7U PICMG® 2.16, rack mount

Cooling
Front to back

Power supplies
N+1, 115/230V AC or 48V DC

Shelf managers
Dual redundant per PICMG® 2.9
RCMP, CLI, GUI, SNMP interfaces
Alarm dry contact relays

Ethernet switches
Dual redundant 10/100 + 2 x 1G

Channel Units
1 to 6 front / rear card pairs

Maximum channels per CUS
96 Tx + 96 Rx

Channel Unit Functionality
Composite channels
4 Tx/Rx (independently tuneable)

Composite channel bandwidth
500 kHz

Bearer channels per composite channel
4

Operational bearer channel types
P600/1200/10500
R600/1200/10500
T600/1200/10500
C8400/21000

Test bearer types
CW, unframed, random data, random symbols

Voice codecs
4.8 kb/s AMBE for C8400
9.6 kb/s LPC for C21000

Max. data channels per CU
16 P-channel Tx
16 P/R/T-channel Rx

Max. C-channels per CU
8 C-channel Tx/Rx

CHANNEL UNIT INTERFACES
Ethernet interface
10/100/1000baseT
Auto-switching between Switch A, Switch B and front panel

Monitor and control, data

Proprietary over TCP/IP

PCM samples
RTP over UDP

Tx/Rx IF frequency range
50 to 90 MHz

Max. total power per Tx feed
–17 dBm

Max. per-carrier Tx power
–29 dBm

Tx phase noise density
@ 100 Hz:   ? –70 dBc/Hz
@ 1 kHz:     ? –80 dBc/Hz
@ 10 kHz:   ? –90 dBc/Hz
@ 100 kHz: ? –100 dBc/Hz

Tx spurious
< –86 dBm for carrier at –29 dBm

Tx 3rd order intermodulation
< –55 dBc (2 carriers at –20 dBm)

Tx I/Q imbalances
Negligible

Typical Rx dynamic range
–65 to –25 dBm
–10 dBm max total

Reference input
10 MHz