CIRAN2
CIRAN2 is a more modular version of CIRAN1 and is designed to host up to two separate base stations on removable sleds.
Views
CIRAN2 Rear Panel.
CIRAN2 Internal shown with a CR2S01 (LimeSDR Mini 2.0 + UP 4000 SBC) sled fitted.
Theory of operation
12VDC and 5VDC power is available on PTFIX distribution terminals and the enclosure is fitted with two fans for cooling.
A CSAD10 board provides reference clock distribution within the chassis.
See the sled designs for base station details.
Sleds
Sled |
Description |
Status |
|---|---|---|
LimeSDR Mini 2.0, UP 4000 SBC and low power duplexer |
Assembled |
Bill of materials
Component |
Description |
Manufacturer |
Man. Part |
Distributor |
Dist. Part |
|---|---|---|---|---|---|
Enclosure |
2U Rack-mount enclosure |
nVent SCHROFF |
20860127 |
RS Components |
|
D1-D2 |
Panel mount LED indicator, green |
RS Pro |
205-331 |
RS Components |
|
R1 |
1K ohm 0.25W 5% axial resistor |
RS Pro |
707-7666 |
RS Components |
|
R2 |
270 ohm 0.25W 5% axial resistor |
RS Pro |
707-7625 |
RS Components |
|
J1 |
Male panel mount XLR connector |
Neutrik |
NC3MD-LX-M3 |
Mouser |
|
J2-J3 |
Panel mount ethernet connector |
RS Pro |
907-5656 |
RS Components |
|
J4 |
BNC bulkhead connector |
RS Pro |
546-4083 |
RS Components |
|
J5-J8 |
Panel mount SMA socket to SMA socket |
Amphenol |
SMA7471B1-3GT50G-50 |
RS Components |
|
J9 |
RF Adapter SMA Socket to BNC Plug |
RF Solutions |
ADP-SMAF-BNCM |
RS Components |
|
M1-2 |
Console IO board |
LibreCellular |
CONIO-B |
||
M3 |
Reference clock distribution (10 outputs) |
LibreCellular |
CSAD10 |
||
CBL1 |
250mm Female U.FL to Male SMA Coaxial Cable |
RF Solutions |
CBA-UFL-SMAM25 |
RS Components |
|
TB1 |
PTFIX Distribution Block, 6 way, 2.5mm, red |
Phoenix Contact |
3002765 |
RS Components |
|
TB2 |
Distribution block with 6 terminals, blue |
Phoenix Contact |
3002761 |
RS Components |
|
TB3 |
PTFIX 1.5-F Series Flange Cover |
Phoenix Contact |
1049503 |
RS Components |
|
FAN1-2 |
60x60mm 12Vdc fan |
Sunon |
MF60151VX-1000U-A99 |
RS Components |
|
FG1-4 |
60mm fan guard |
RS Pro |
737-3973 |
RS Components |
|
Misc. |
1.5mm2 tri-rated wire in red, white black |
||||
Misc. |
1.5mm2 ferrules |