RoadRunner
U S E R S G U I D E
9
Rear Panel Controls and Connectors
1
L
INE OUTPUT
Balanced, fixed line level return audio output
2
I
NPUT
3
Microphone or line input 3
3
I
NPUT SELECTOR
Microphone or line level select for input 3
4
U
NBALANCED
R
ETURN
A
UDIO
O
UTPUT
Unbalanced line level return audio output
5
U
NBALANCED
L
OCAL
A
UDIO
O
UTPUT
Unbalanced line level local audio output
6
RS232 C
ONTROL AND
A
NCILLARY
D
ATA
DB-9 connector for ancillary data, remote control
and software upgrades
7
R
ELAY OUTPUTS
DB-25 connector for contact closure I/O (future)
8
DIF
SOCKET
Slot for digital interface module or ISDN
terminal adapter
9
F
AN
Cooling fan for reliable operation
10
DC
POWER INPUT
Input for DC power
11
P
OWER
C
ONNECTOR
AC Mains power connector
12
P
OWER SWITCH
Power switch
You can connect a professional quality low impedance microphone
directly to either XLR microphone input on the front panel. A
microphone can also be connected to the mic/line input on the rear
panel, setting the level switch accordingly. High impedance
microphones, or microphones with other than XLR connectors must use
an external matching transformer or adapter. Phantom power is not
provided. Balanced monaural line level audio is input through the XLR
With certain
external
phantom power
supplies it may
be necessary to
lift the ground
lead (shield)
from one side of
the cable.