Linking For E&M Type V - Vocality V100 Technical Manual

2.4.1.6 Linking for E&M Type V
To operate with an E&M type V interface, the V100 must provide a contact closure to ground on the 'E'
lead and a current detector referenced -48V on the 'M' lead:
PABX
48v
Details of the jumper settings are as follows:
Jumper
JP2
JP5
JP6
V100 Versatile Multiplexer Technical Manual Version 2.2
M M
MREF
E
Description
'E' lead impedance
'E' lead reference
'M' lead reference
Page 25 of 231
C H A P T E R
V100
4K7
0v
E
JP2
EREF
Setting
1-2
2-3
2-3
2 I N S T A L L A T I O N
JP6
-48v
JP5