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notice. The information herein is believed to be accurate. No responsibility is
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AMG2648R Instruction
Sheet D15534-01
Audio Present RX ................................ Green
– when an audio level between –40dBm and
+0dBm is on the audio output (600ohm).
..................................................... Red
– when an audio level above 0dBm is on the
audio output. (600ohm).
..................................................... Red/Green – when an audio level peaking above 0dBm is on
the audio output. (Note audio daughter board
will transmit up to +6dBm (600ohm)).
..................................................... Off
– when an audio level is below –40dBm on the
audio output. (600ohm).
This represents the audio signals being received from the optical fibre
Physical Information
Dimensions
Height .................................................. 3U Plug-in
Width.................................................... 14HP
Depth ................................................... 170mm excluding connectors
Weight.................................................. 800grams
Mounting Details
The unit is designed to be mounted within a 2000 or 2005 Subrack on standard card guides. Note the
AMG standard racks are supplied with guide rails every 7HP. In order to fit this unit in the subrack, 1
set of card guides have to be removed by pulling gently on the card guides.
The 2000 series subrack is fitted with a 50 watt power supply. A maximum of 4 units may be fitted into
one 2000 series subrack.
The 2005 series subrack is fitted with a 100 watt power supply. A maximum of 5 units may be fitted
into one 2005 series subrack limited by the 70HP rack space.
Data and Audio Channel Configuration and Connection
The AMG2648R has a capacity for 4 bi-directional data and 4 bi-directional audio channels. For these
channels to be present, appropriate data daughter boards have to be fitted onto the main data
motherboard.
Data and Audio Channel Configuration
The data and audio daughter board’s slots are accessed by removing the 2600 unit from the case.
(See below for
removal from the case
).
In order to enable a data channel an appropriate daughter board should be fitted in the upper data
channel slots on the main data motherboard. Each data interface board enables one bi-directional
channel. The data interface daughter board options are as follows:
Option
Code
Part No.
Description
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
X04059
TTL Data Interface Daughter Board
5
X12578
Contact Closure Data Interface Daughter Board
6
X13038
FTT10A Echelon Lonworks Data Interface Daughter Board
