Biometrics was configured but still unable to connect

[rjay1018]

Got this error, I can ping my biometrics IP and all ready configure its IP and Port in my ERP system.
Warning message
"Unable to connect, please check the parameters and network connections. "

Error Log below

administrator@SO-01:~$ tail -f /var/log/odoo/odoo-server.log
File "/opt/odoo/odoo-server/addons/web/controllers/main.py", line 948, in call_button
action = self.call_kw(model, method, args, {})
File "/opt/odoo/odoo-server/addons/web/controllers/main.py", line 936, in call_kw
return getattr(request.registry.get(model), method)(request.cr, request.uid, *args, **kwargs)
File "/opt/odoo/odoo-server/openerp/api.py", line 268, in wrapper
return old_api(self, *args, **kwargs)
File "/opt/odoo/custom/addons/hr_biometric_machine/biometric_machine.py", line 59, in download_attendance
raise osv.except_osv(('Warning !'),("Unable to connect, please check the parameters and network connections."))
except_orm: (u'Warning !', u'Unable to connect, please check the parameters and network connections.')
2017-10-11 02:53:19,546 1673 INFO biometrx werkzeug: 127.0.0.1 - - [11/Oct/2017 02:53:19] "POST /web/dataset/call_button HTTP/1.1" 200 -
^L2017-10-11 02:53:39,848 1673 ERROR biometrx openerp.http: Exception during JSON request handling.
Traceback (most recent call last):
File "/opt/odoo/odoo-server/openerp/http.py", line 544, in _handle_exception
return super(JsonRequest, self)._handle_exception(exception)
File "/opt/odoo/odoo-server/openerp/http.py", line 581, in dispatch
result = self._call_function(**self.params)
File "/opt/odoo/odoo-server/openerp/http.py", line 317, in _call_function
return checked_call(self.db, *args, **kwargs)
File "/opt/odoo/odoo-server/openerp/service/model.py", line 118, in wrapper
return f(dbname, *args, **kwargs)
File "/opt/odoo/odoo-server/openerp/http.py", line 314, in checked_call
return self.endpoint(*a, **kw)
File "/opt/odoo/odoo-server/openerp/http.py", line 810, in call
return self.method(*args, **kw)
File "/opt/odoo/odoo-server/openerp/http.py", line 410, in response_wrap
response = f(*args, **kw)
File "/opt/odoo/odoo-server/addons/web/controllers/main.py", line 948, in call_button
action = self.call_kw(model, method, args, {})
File "/opt/odoo/odoo-server/addons/web/controllers/main.py", line 936, in call_kw
return getattr(request.registry.get(model), method)(request.cr, request.uid, *args, **kwargs)
File "/opt/odoo/odoo-server/openerp/api.py", line 268, in wrapper
return old_api(self, *args, **kwargs)
File "/opt/odoo/custom/addons/hr_biometric_machine/biometric_machine.py", line 59, in download_attendance
raise osv.except_osv(('Warning !'),("Unable to connect, please check the parameters and network connections."))
except_orm: (u'Warning !', u'Unable to connect, please check the parameters and network connections.')