Technical Manual

76 D C U M a i n t e n a n c e a n d O p e r a t i o n M a n u a l
Cell Module CnktErr 21
Logged after
failed call
attempt
X X
TCP/IP Stack Error - TCP/IP connection could not be
made since the InterNiche TCP/IP stack is not running
yet. Can occur when call attempted immediately after
reset with DHCP enabled. Also could indicate
connectivity issue.
Cell Module CnktErr 22
Logged after
failed call
attempt
X X
Ethernet Link Error: Physical hardware connection is
broken or missing.
Cell Module CnktErr 23
Logged after
failed call
attempt
X X Cellular Coverage Error.
Cell Module CnktErr 24
Logged after
failed call
attempt
X X Point-To-Point Protocol Connection Error.
Cell Module CnktErr 25
Logged after
failed call
attempt
X X
Optional RF SHUTOFF Switch preventing any cellular or
450-470MHz transmissions.
Cell Module CnktErr 26
Logged after
failed call
attempt
X X
Cell module failed to register with cell network. Can be
from no/not activated SIM card.
Cell Module CnktErr 27
Logged after
failed call
attempt
X X
Cell module denied registration on cell network. Can be
from no/not activated SIM card.
Cell Module CnktErr 28
Logged after
failed call
attempt
X X
Cell Module Registration Unknown Issue. Can occur if
SIM card not installed.
Cell Module CnktErr 29
Logged after
failed call
attempt
X X Cell Module Registration Roaming Issue.
Cell Module CnktErr 30
Logged after
failed call
attempt
X X
Data Carrier Detect Signal Lost and Cellular module
restarts.
Cell Module CnktErr 31
Logged after
failed call
attempt
X X Send Records Error: Records not transferred to headend.
Cell Module CnktErr 32
Logged after
failed call
attempt
X X
Data Error: Socket Connection not active for 5 minutes.
Cellular module restarts to recover. Error declared
when DCU times out because no headend messages
received for last 5 minutes.
Cell Module CnktErr 33
Logged after
failed call
attempt
X X
Data Carrier Detect Signal Lost and Cellular module
restarts.
Source Message Frequency DCU 2 DCU 2+
Mainboard
Firmware
Description