C H A P T E R 2 I N S T A L L A T I O N
V100 Versatile Multiplexer Technical Manual Version 2.2
Page 24 of 231
2.4.1.5
Linking for E&M Type I
To operate with an E&M type I interface, the V100 must provide a contact closure to ground on the 'E'
lead and a current detector referenced to ground on the 'M' lead:
Details of the jumper settings are as follows:
Jumper Description
Setting
JP2
'E' lead impedance
1-2
JP5
'E' lead reference
2-3
JP6
'M' lead reference
1-2
48v
E
M M
MREF
EREF
E
0v
-48v
JP6
JP5
JP2
4K7
V100
PABX