Pub. 42004-519C
Rugged VoIP Autodial Handset Telephones
Page 19 of 26
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Table 3. 24–48 V dc Power Connection—Terminal Block P5
Pin
Label
Description
1
(+)
Positive
2
(−)
Negative
Ground (For Models 210-702BH/-702BHAC, 227-700/-702BH/-702BHAC Only)
The enclosure must be connected to earth ground. Install a #6 ring lug on the ground conductor and
secure it to the ground terminal located in the rear of the front panel.
N
OTE
:
Not applicable to Models 247-700 and 257-700.
Network
Connect a Cat5 or Cat5e cable with an RJ45 connector between the Local Area Network (LAN) and the
VoIP PCBA.
Auxiliary I/O
Inputs
Four auxiliary inputs have been provided for customer use. Terminations for these inputs are provided on
terminal block
P12
.
Table 4. Auxiliary Inputs
—
Terminal Block P12
Pin
Label
Function
1
IN4
Input 4
2
COM
Common
3
IN3
Input 3
4
COM
Common
5
IN2
Input 2
6
COM
Common
7
IN1
Input 1
8
COM
Common
