Wohler AMP2-SDA/AVU User Manual page 12

AMP2-SDA/AVU and AMP2-SDA/APP User Manual P/N 821576 Rev-A
Please refer to Figure-2b on the facing page to familiarize yourself with the rear panel features of the AMP2-SDA/AVU and AMP2-SDA/
APP unit. The following sections describe these features and are referenced, by letter, to Figure-2b.
A
Power Connector
Attach a standard IEC-320 power cord between this connector and mains power (100 - 250VAC, 50/60 Hz). The front panel
Power LED (Item 3, page 8) will glow GREEN to indicate operating voltages are present.
B
AES Output (From SDI) Connector
The AES/EBU OUT connector outputs an AES signal as converted from the SDI input (Item F, page 14) and as selected
by the SDI Subgroup Select Switch (Item 5, page 8). This connector is configured for an unbalanced, 75 Ω connection.
C
AES Termination and Error Type DIP Switch
This 4-position DIP switch is used to set the termination characteristics for the AES input (Item D) and select the AES
signal error indication type.
AES Input Termination:
In the event that the AES input signal is fed to downstream equipment, then DIP switch Section S2 must be placed in the
Unterminated (UP) position. If there is no downstream equipment connected, then Section S2 must be placed in the
Terminated (DOWN) position. See below for diagram of termination settings. Note: Sections S3 and S4 are not used.
AES Error Indication Type:
There are two DIP switch selectable modes of AES error detection that will create a RED error indication in the AES Signal
Status LED on the front panel (Item 11, page 10);
Reception Errors: errors in reception of data or no data stream at all (S1=DOWN)
•
Reception and Data Errors: errors in reception and data errors identified by the sending device (possibly
•
invalid) (S1= UP).
See below for diagram of AES error DIP switch settings. Note: Sections S3 (x) and S4 (TERM 2) are not used.
D
AES Input Connector
This AES/EBU IN input (on female BNC connector) is meant to receive standard AES/EBU signals and is configured for
an unbalanced, 75 Ω connection. Note that the unit will monitor this input only when the Analog/Digital Source Select
Switch (Item 4, page 8) is set to DIGITAL and the AES/SDI Source Select Switch (Item 6, page 8) is set to AES.
12
Rear Panel Features
AES Input Termination
ERROR
TERM 1
TERM 2
x
Unterminated
1 3 4
2
AES Error Indication Settings
Error/Fault Type = Red LED
ERROR
TERM 1
TERM 2
x
Reception
Error (Only)
1 2 3 4
(Continued)
© 2004 Wohler Technologies Inc. ALL rights reserved
ERROR
TERM 1
TERM 2
x
Terminated
1 3 4
2
ERROR
TERM 1
TERM 2
x
Reception and
Data Error
2 3 4
1
Section 2: Operation