SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
23--20--35
15 Jul 2006
Honeywell International Inc. Do not copy without express permission of Honeywell.
Page 5--72
X.
CM--250 CGU Connection Configuration
(1) The interpretation of this configuration pin is given in Table 5-34.
Table 5-34.
CM--250 CGU Connection Configuration
MP11 Pin E
Interpretation
0
CM--250 LOOPED CONFIGURATION
1
CM--250 IN--LINE CONFIGURATION
(2) Looped configuration is not implemented. Assume In--Line configuration (MP11E set
to the 1 state).
Y.
Cockpit Call Discrete Signaling Mode
(1) The interpretation of this configuration pin is given in Table 5-35.
Table 5-35.
Cockpit Call Discrete Signaling Mode
MP11 Pin F
Interpretation
0
EPIC COCKPIT CALL DISCRETE SIGNALING MODE
1
COCKPIT CALL LIGHT/CHIME SIGNALING MODE
(2) Table 5-36 gives the call signaling definitions and SDU output pins with MP11F in a
logic 0 and logic 1 state.
Table 5-36.
Call Signaling Definitions
SDU Output Pin
Legacy Call Signaling
Definition (MP11F=1)
Enhanced Call Signaling
Definition (MP11F=0)
MP8E
CHANNEL 1 CALL LIGHT
CHANNEL 1 CD 1 (CD1--1)
MP14B
CHIME
CHANNEL 1 CD 2 (CD2--1)
MP8G
CHANNEL 2 CALL LIGHT
CHANNEL 2 CD 1 (CD1--2)
TP3D
PACKET DATA LOW SPEED
ONLY
CHANNEL 2 CD 2 (CD2--2)
(3) Selecting the EPIC cockpit call discrete signaling mode (MP11F=0) is only required
when the SDU is connected to the Honeywell AV--900 audio control panel (ACP).
This ACP is typically installed on EPIC equipped aircraft.
(4) When MP11F is wired to the zero state, the SDU output pins identified in Table 5-36
function as combinational logic to indicate one of the four states shown in Table 5-37.
