AMG Systems Ltd. reserves the right to make changes to this
document without notice. The information herein is believed to
be accurate. No responsibility is assumed by AMG for its use.
Page 5 of 12
AMG4788 Instruction Sheet D18392-
00.doc
Data and Audio Channel Configuration
The
AMG4788
and rackmount equivalent
AMG4788R
sends and receives data in two banks - Bank A
and Bank B each of which carries up to 8 channels of data / audio. The physical interface is
determined by the fitting of AMG data or audio daughter boards onto the appropriate data expansion
board slots.
Data Interface Daughter Board Options
The data interface daughter board options are as follows:
Option Code
'x'
Part No.
Description
0
X12542
4 Wire Audio Interface Daughter Board
1
X04057
RS422/485 Data Interface Daughter Board
2
X04049
RS232 Data Interface Daughter Board
3
X04058
20mA Current Loop Data Interface Daughter Board
4
X12579
TTL Data Interface Daughter Board
5
X12578
Contact Closure Data Interface Daughter Board
6
X13038
FTT10A Echelon Lonworks Data Interface Daughter Board
Data and Audio Channel Configuration
The data expansion board slots are accessed by removing the AMG unit from its case. A data channel
is active when a daughter board is installed in the required data channel slot. Each data interface
board enables one bi-directional channel.
Daughter Board Layout
The channel slots are as follows:
Data and Audio Daughter Board Fitting Instruction
The data and audio daughter boards pushed on to the pin headers mounted on the data expansion
boards. Ensure that the connectors are lined up correctly and not offset before pushing firmly in place.
Note that the data and audio channel numbers are associated with each slot. This allocates the pin
numbers on the rear panel connector together with the front panel LED indicators.