
Digital Input Expansion Module (12 CH) – 12DI-EXP-N2K
Across Ocean Systems Ltd.
Rev 1
12DI-EXP-N2K
11 of 22
6
C
ONNECTING THE
E
LECTRICAL
The Digital Input Expansion Module requires cables to connect all the required instruments to
the appropriate connectors on the unit. Cables are supplied separately and are available
through a Vitals dealer or local marine installer.
6.1
E
LECTRICAL
C
ONNECTORS
Connectors are indicated as ① to ④. Connection to ④ is required for basic operation. All
other connections are optional and based on the users’ specific installation needs.
Figure 1: Digital Input Expansion Module Connector Layout
Table 1: Connector List
No.
Connector Name
1
Digital Input Bank #1 Connector
2
Digital Input Bank #2 Connector
3
Digital Input Bank #3 Connector
4
NMEA 2000 M12 Connector