CIMODS8

8x LTE modem bank utilising two sysmoQMOD modem carrier boards.

Views

CIMODS8 Rear Panel.

CIMODS8 Internal.

Theory of operation

Two Sysmocom sysmoQMOD boards provide 8x LTE modems connected via two front-panel USB B ports. Each sysmoQMOD provides an on-board USB hub to connect all four modems with the ability to reset each device.

Bill of materials

CIMODS8 BOM

Component	Description	Manufacturer	Man. Part	Distributor	Dist. Part
Enclosure	1U Rack-mount enclosure	nVent SCHROFF	20860120	RS Components	454-9666
M1-2	sysmoQMOD modem carrier board	Sysmocom	sysmoQMOD	Sysmocom	sysmoQMOD
M3-M11	LTE modem	Sierra Wireless	MC7304
CBL1-16	U.FL to SMA female bulkhead	RF Solutions	CBA-UFLSMA20	RF Solutions	CBA-UFLSMA20
D1	Panel mount LED indicator, green	RS Pro	205-331	RS Components	205-331
R1	1K ohm 0.25W 5% axial resistor	RS Pro	707-7666	RS Components	707-7666
J1-2	2.5x5.5mm barrel plug	RS Pro	487-854	RS Components	487-854
FAN1-2	30x30mm 12Vdc fan	Nidec Copal	F310R-12LLC	Mouser	229-F310R-12LLC
TB1	Distribution block with 6 terminals, red	Phoenix Contact	3002765	RS Components	207-2850
TB2	Distribution block with 6 terminals, blue	Phoenix Contact	3002761	RS Components	207-2847
Misc.	30mm fan guard	Qualtek	08346	Mouser	562-08346
Misc.	0.5mm2 ferrules
Misc.	1.5mm2 ferrules
Misc.	0.5mm2 tri-rated wire in red and black
Misc.	1.5mm2 tri-rated wire in red and black

Resources

• Mechanical design and graphics.