Comtech EF Data CRS-280L User Manual
Page 34

CRS-280L L-Band IF Switch for 1:N Redundancy
Revision 1
Connector Pinouts
MN/CRS280L.IOM
3–2
Table 3-1. CRS-280L 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)
(Transmit IF)
22X Type ‘N’ 50Ω female
L-Band
Input
Tx Backup
Test Out
Tx In
Tx Traffic 1-10
Up Link Out
Tx In
(Receive IF)
22X Type ‘N’ 50Ω female
L-Band
Output
Rx Backup
Test In
Rx Out
Rx Traffic 1-10
Down Link In
Rx out
Rear Panel
(Sect. 3.3)
Control Interface
(Sect. 3.3.1)
J1
CRS CONTROL
INTERFACE
25-pin Type ‘D’ female
Control interface for CRS-400**, CRS-300,
CRS-500 Redundancy Switching products
J2 SMS CONTROL
INTERFACE
15-pin Type ‘D’ male
Control interface for SMS-7000** Redudancy
Switching Product
Power / Ground
(Sect 3.3.2)
AC Input
2X IEC
p/o Primary and Backup AC Power Supply
Modules (CEFD P/N PL/10207-1)
DC Input
2X 3-screw Terminal Block p/o Optional Primary and Backup DC Power
Supply Modules (CEFD P/N PL-0000355)
Ground #10-32
stud
Common Chassis Ground
** Indicates a Comtech EF Data legacy product that is no longer in production.
IMPORTANT
The European EMC Directive (EN55022, EN50082-1) requires using properly shielded
cables for DATA I/O. These cables must be double-shielded from end-to-end,
ensuring a continuous ground shield.