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1 cic-20 hssi connector, hd-50f, 2 cic-35 asi connectors, 75ω bnc – Comtech EF Data CRS-150 User Manual

Page 42

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CRS-150 1:1 Redundancy Switch

Revision 2

Connector Pinouts

MN/CRS150.IOM

3–16

3.4.1 CIC-20 HSSI Connector, HD-50F

The 50-pin type Mini-D/SCSI2 female HSSI connector on the optional

CIC-20 LVDS to HSSI Interface Module provides HSSI data transmission
as converted for use from the User Data (LVDS) interface.

Note: For the CIC-20’s Overhead user-side connector pinout table, see
Sect. 3.2.2.1 in this chapter. For further details about the CIC-20, refer to
that product’s user manual.

Observe the following:

Signal Function

HSSI Signal

EIA-613 Circuit

Pin # (+, -)

Circuit Direction

Signal Ground

SG

102

1, 26

Receive Timing

RT

115

2, 27

From DCE

DCE Available

CA

107

3, 28

From DCE

Receive Data

RD

104

4, 29

From DCE

Loopback Circuit C

LC

undefined

5, 30

Not used

Send Timing

ST

114

6, 31

From DCE

Signal Ground

SG

102

7, 32

DTE Available

TA

108/2

8, 33

To DCE

Terminal Timing

TT

113

9, 34

To DCE

Loopback Circuit A

LA

143

10, 35

Not used

Send Data

SD

103

11, 36

To DCE

Loopback Circuit B

LB

144

12, 37

Not used

Signal Ground

SG

102

13, 38

Reserved (to DCE)

14,15,17, 18, 39

- 43

Not used

Reserved (to DTE)

16, 20-23, 45-

48

Not used

Test Mode

TM

142

24, 49

Not used

Signal Ground

SG

102

25, 50

3.4.2 CIC-35 ASI Connectors, 75Ω BNC

The ASI In and Out connectors on the optional CIC-35 LVDS to ASI

Interface Module are 75Ω BNC female connectors for user receive and
transmit of ASI data as converted for use from the User Data (LVDS)
interface.

Note: For the CIC-35’s Overhead user-side connector pinout table, see
Sect. 3.2.2.1 in this chapter. For further details about the CIC-35, refer to
that product’s user manual.