Mocomtech CRS-300 - Manual (Page 40)

CRS-300 1:10 Redundancy Switch Revision 16
Introduction MN/CRS300.IOM
1–18
1.6.3 CRS-280 and CRS-280L Specifications
Characteristic
Requirement
CRS-280 (70/140MHz) CRS-280L (L-Band)
Tx/Rx Operating Freq 50 to 180 MHz 950 to 1950 MHz
Tx / Rx Connectors BNC female N-Type female (50
Ω)
Return Loss
18 dB return loss into 75
Ω
(50
Ω optional)
15 dB return loss into 50
Ω
Transmit IF Loss/Flatness
Tx In To Tx Uplink Out
BU In To Any Uplink Out
--
< 1.5 dB over operating freq
< 1.5 dB over operating freq
--
< 0.8 dB/0.5 dB over operating freq
< 2.5 dB/1.0 dB over operating freq
Receive IF Loss/Flatness
Rx Downlink In To Rx Out
Any Downlink In To BU Out
--
< 5 dB over operating freq
< 5 dB over operating freq
--
< 4.0 dB/0.5 dB over operating freq
< 5.5 dB/1.0 dB over operating freq
Tx to Tx Channel Isolation > 50 dB > 70 dB
Rx to Rx Channel Isolation > 50 dB > 70 dB
Tx to Rx Channel Isolation > 60 dB > 90 dB
Powering of IF Switch From the CRS-300 chassis 100 to 240 VAC 50/60 Hz (25W)
Power Supply 90-264 VAC, 50/60 Hz (25 W) 90-264 VAC
Fuse
Dimensional Envelope
(Rack Mount 4RU)
19W x 2.5D x 7H inches (48.26W x 6.35 x 18H cm)
Weight < 10 lbs (< 4.54 kg) < 25 lbs (11.3 kg)
1.6.4 CRS-350 Specifications
Characteristic Requirement
User Data Interfaces (1) 25-pin 'D' male connector - ESC, overhead signals
(1) 15-pin 'D' female connector - IDR Alarms
(1) 9-pin ‘D’ female connectors - Audio
Power From CRS-300
Dimensional Envelope
(Rack Mount 4U)
19W x 4.0D x 7H inches
(48.26W x 27.5D x 18H cm)
Weight 5 lbs (2.2 kg)