SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion™ HSD-X and HSD-Xi High-speed Data Terminal
23-15-30
1-9
8 MAY 09
Table 1-5
Label (Octal)
Pin
HSD-Xi In/Out Signal Type
Data Loader in A
1
-
Reserved
Data Loader in B
2
-
Reserved
Spare
3
-
-
Data Loader out A
4
-
Reserved
Data Loader out B
5
-
Reserved
Spare
6
-
-
Data Loader
Continuity Link (A)
7
-
Reserved
Maint port TD
8
Out
RS-232
Maint port GND
9
GND
RS-232
Maint port RD
10
In
RS-232
Data Loader
Continuity Link (B)
11
-
Reserved
ATE reserved
12
-
ATE
ATE reserved
13
GND
ATE
ATE reserved
14
-
ATE
ATE reserved
15
-
ATE
HSD-Xi Maintenance Port Pin Description
8.
User Interfaces
The HSD-Xi terminal has the following user connections.
A. Ethernet Data Interface
The HSD-Xi terminal has one 10BASE-T Ethernet data interface.
B. ISDN Interface
The HSD-Xi terminal has one ISDN bearer channel available through the ISDN interface.
C. Maintenance Port Interface
The HSD-Xi terminal has one maintenance port, located on the front panel of the terminal.
It provides remote access available through the rear ARINC 600 connector.
NOTE: Access to maintenance functions of the network mode HSD and the HSD-Xi
terminal in flight is only available through the remote access port.
The maintenance port provides the physical connection to a password-protected MPU
that provides a system interface for users or service personnel who need to upgrade,
monitor, or troubleshoot the system.
