16
Reference Monitors User Handbook
REFERENCE MONITORS RM-2S4 & RM-2S10
REFERENCE MONIT
ORS RM-2S4 & RM-2S10
1
Audio Inputs (RM-2S4)
Three-pin female XLR connectors are provided for the connection of up to four stereo
audio sources. Together, these four stereo sources comprise BANK A. The pin assignations
are as follows:
Pin 1:
Ground
Pin 2:
In-phase signal (“hot”)
Pin 3:
Out-of-phase signal (“cold”)
Unbalanced signals may also be used by linking pins 1 and 3 and applying the unbalanced
signal to pin 2.
Each of the four source inputs accepts either a pair of analogue line-level signals (using
both input XLRs) or a single AES/EBU digital signal (attach to the left-hand XLR of the pair
and leave the right-hand XLR unconnected). The RM-2S4 automatically detects digital
input signals and seamlessly presents them for selection in exactly the same way as
analogue ones; the inputs may therefore be any mixture of analogue and digital sources.
A full-scale digital input signal (0dBFS) corresponds to the maximum analogue input signal
level of +18dBu (with no extra input gain applied).
110 ohm input termination for the AES/EBU digital inputs is controlled by the settings of
switches 1, 2, 11 and 12 on Block 2 of the configuration switches, as follows:
SW1:
When set to ON, digital input 1 is terminated with 110Ω.
SW2:
When set to ON, digital input 2 is terminated with 110Ω.
SW11: When set to ON, digital input 3 is terminated with 110Ω.
SW12: When set to ON, digital input 4 is terminated with 110Ω.
Audio Inputs (RM-2S10)
Three 25-pin female D-type connectors are provided for the simultaneous connection of
up to ten stereo analogue (BANK ANA) and ten stereo AES/EBU digital (BANK DIG) audio
sources. The pin assignations are as follows:
Pin No.
Function
(BANK DIG 1-10)
Function
(BANK ANA 1-5)
Function
(BANK ANA 6-10)
1
AES/EBU Input 1+
Analogue Input 1L+
Analogue Input 6L+
14 AES/EBU Input 1-
Analogue Input 1L-
Analogue Input 6L-
2
Ground
Ground
Ground
15 AES/EBU Input 2-
Analogue Input 1R-
Analogue Input 6R-
3
AES/EBU Input 2+
Analogue Input 1R+
Analogue Input 6R+
16 AES/EBU Input 3+
Analogue Input 2L+
Analogue Input 7L+
4
AES/EBU Input 3-
Analogue Input 2L-
Analogue Input 7L-
17 Ground
Ground
Ground
5
AES/EBU Input 4-
Analogue Input 2R-
Analogue Input 7R-
18 AES/EBU Input 4+
Analogue Input 2R+
Analogue Input 7R+