40
INM 725B Rev 21
2 .25 CEC Cell Detail
(
C
omm’s
E
nhanced –
C
omm’s Cell)
Cell type
CEC
is used to provide:-
Comms Card that provides:
• One Isolated RS485 Port via a standard 9-way D-type connector.
• One Isolated 10/100Mb/s Ethernet port via a standard 8P8C (RJ45) connector.
• Rx and TX LED’s on both ports for diagnostic purposes.
• The Comms card contains a CR2032 coin cell (3.0V lithium, 180mAH)
Enhanced Comm’s Card that provides:
• One Isolated 10/100Mb/s Ethernet port via a standard 8P8C (RJ45) connector.
• The Enhanced Comms card contains a BR1225 coin cell (3.0V lithium, 48mAH)
Batteries in these comms cards can be replaced when they reach the end of their life. In order
to replace the batteries, power down the annunciator, remove the comms card, replace the
battery and refit the comms card. Refer to page 123 for instructions on the disposal of the
spent battery.
CB7515POP1 - COMMS CARD
COMMS CARD VERSION USED IN "CEC" CELLS
(UPPER SLOT)
Rx
PORT 4
REAR VIEW
Tx
CEC
PORT 2
PORT 3
CB10257POP1 – ENHANCED COMMS WITH IEC61850
ENHANCED COMMS CARD VERSION USED IN "CEC" CELLS
(LOWER SLOT)
CB10257POP2 – ENHANCED COMMS WITH DNP3