Hsb ( Hsb 2 ) Connection - Raymarine L1250DRC Owner's Handbook Manual

2-18
HSB ( hsb ) Connection
2
An HSB cable is required to connect the sounder module to the display unit for
showing echo sounder data. A 3m (10 ft) HSB cable is supplied with the
DSM250. These cables are also available in lengths of 1, 6, 10, and 20 m. See
Table 2-1 Parts and Accessories on page 2-4 for the complete list and
associated part numbers.
The HSB cable is attached to the three-pin male connector marked HSB on the
connector panel of the sounder module and display unit. The connector pins
are shown in the following diagram. This information is provided as an aid to
fault diagnosis.
For details on using
HSB connector
Rear of Display Unit
Figure 2-10: HSB Connector
2 , see High Speed Bus (hsb2) on page 2-25.
hsb
Pin 1
Pin 3
Pin 2
1
2
HD Series Fishfinders
HSB connector
Pin Pin name
1 CGND
2 HSB_POS
3 HSB_NEG
HSB
3
Function
Screen
HSB
HSB
D4253-4