User's Manual

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
Con
tinuity 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
Con
tinuity 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 10B
ASE-T Ethernet data interface.
B. ISDN Interface
The HSD-Xi terminal has one ISDN bearer chann
el 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 ph
ysical 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.