Comtech EF Data CRS-150 - Manual (Page 28)

CRS-150 1:1 Redundancy Switch Revision 2
Connector Pinouts MN/CRS150.IOM
3–2
Table 3-1. CRS-150 External Connectors (Front and Rear Panel)
Connector Group
(Chapter 3 Sect. Ref.)
Name Connector Type Function
Front Panel
(Sect. 3.2) IF
(Sect. 3.2.1) Receive IF BNC 50Ω female RF Input
Transmit IF BNC 50Ω female RF Output
Terrestrial Data
(Sect. 3.2.2)
Overhead 25-pin Type ‘D’ male
Intelsat Overhead – 64kbps EIA-422, 1/16 IBS
Overhead ESC @EIA-232; IDR Backward Alarm
Data Interface 25-pin Type ‘D’ female Serial Synchronous Data Input/Output
Audio 9-pin Type ‘D’ female ADPCM Audio Input/Output
G.703
Data
Balanced G.703 15-pin Type ‘D’ female G.703 Balanced T1 (1.544 Mps) / E1 (2.048 Mbps) /
T2 (6.312 Mbps)
Rx G.703 BNC 75Ω female G.703 Unbalanced E1 (2.048 Mbps) Receive
Tx G.703 BNC 75Ω female G.703 Unbalanced E1 (2.048 Mbps) Transmit
IDI BNC 75Ω female Insert Data In – G.703 Unbalanced E1 (2.048 Mbps)
DDO BNC 75Ω female Drop Data Out – G.703 Unbalanced E1 (2.048 Mbps)
Utility
(Sect. 3.2.3) Ext Ref BNC 50Ω female External Baseband Input
IDR Alarms 15-pin Type ‘D’ female Form C Alarms (backward alarm outputs)
Power
(Sect 3.2.4)
Aux DC Input
2.1mm socket
(11-15 VDC)
Power for External Devices
Rear Panel
(Sect. 3.3) IF
(Sect. 3.3.1) Tx IF A
BNC female RF Input
Tx IF B
Rx IF A
BNC female RF Output
Rx IF B
Terrestrial Data
(Sect. 3.3.2) G.703
Data Balanced G.703 A
15-pin Type ‘D’ male
G.703 Balanced T1 (1.544 Mps) / E1 (2.048 Mbps) /
T2 (6.312 Mbps)
Balanced G.703 B
Audio A
9-pin Type ‘D’ female ADPCM Audio Input/Output
Audio B
Overhead A
25-pin Type ‘D’ male
Intelsat overhead – 64kbps EIA-422, 1/16 IBS
overhead ESC @EIA-232; IDR backward alarm
Overhead B
Data Interface A
25-pin Type ‘D’ female Serial synchronous data Input/Output
Data Interface B
Utility
(Sect. 3.3.3) IDR Alarms A
15-pin Type ‘D’ female Form C Alarms (backward alarm outputs)
IDR Alarms B
Aux Serial A
USB Type ‘A’ female Serial RS232 Input/Output
Aux Serial B
Ext Ref A
BNC 50Ω female External Baseband Output
Ext Ref B
Ground
(Sect. 3.3.4)
Ground #10-32 stud Common Chassis Ground
Interface
Converters
(Sect 3.4)
CIC-20
(Sect. 3.4.1) L VDS Æ HSSI Interface
Converter Module
50-pin Type ‘HD’ female HSSI data Input/Output
CIC-35
(Sect. 3.4.2) LVDS Æ ASI Interface
Converter Module
BNC 75Ω female
ASI Input
ASI Output
CA-0000268
(Sect. 3.4.3)
Adapter DB-15F Æ RJ-48F G.703 Balanced E1/T1