beautypg.com

Comtech EF Data CRS-280L User Manual

Page 34

background image

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.