10
Reference Monitor Meters User Handbook
1
REAR P
ANEL C
ONNEC
TIONS & OPER
A
TION
REAR PANEL CONNECTIONS & OPERATION
Remote Inputs and Outputs
A 15-way female D-type connector carries eight open-collector status outputs and four
logic-level control inputs. The pin assignments are as follows:
Pin Number
I/O
Function
1
-
Ground
9
O
Audio input 1 under-level alarm – open collector with latching
capability
2
O
Audio input 1 over-level alarm – open collector with latching
capability
10
O
Audio input 1 sustained phase error alarm – open collector with
latching capability
3
O
Audio input 1 AES/EBU lock output – non-latching open collector
11
O
Audio input 2 under-level alarm – open collector with latching
capability
4
O
Audio input 2 over-level alarm – open collector with latching
capability
12
O
Audio input 2 sustained phase error alarm – open collector with
latching capability
5
O
Audio input 2 AES/EBU lock output – non-latching open collector
13
-
Ground
6
-
Ground
14
I
Audio Input 1 alarm reset – pull low to activate
7
I
Audio Input 2 alarm reset – pull low to activate
15
I
Reserved for future use
8
I
Reserved for future use
Table 3 – Remote Input and Output Connection Details
