Software Version 3.3 Factory Field Upgrade
24-10025-113 Rev. –
2
NOTE: You are required to change various Microsoft® Windows® settings on
this computer. To minimize any future issues you may encounter as a result of
these changes, we recommend keeping track of your customer settings using
Table 1: Computer Settings and restoring them after the upgrade.
• RS232 Null Modem Cable (DB9F/F), for example, Black Box EYN257T-
0015-FF or equivalent
• 10/100Base-T CAT5 Ethernet crossover cable or a standard CAT5 straight-
through cable if connecting to a hub/switch, for example, Black Box
EVCRB82-0020 or equivalent
•The CK721a_Factory_FieldUpdate_FW_3-3Build14.exe self-extracting
archive file. This file is located on the CK721-A Version 3.3 Upgrade CD,
or from the following site:
https://my.jci.com/sites/NA-SecurityFireSafety/SitePages/
P2000%20Version%203.14.aspx
• Terminal Emulation Software (Tera Term Pro Preferred). To use the free
Tera Term Pro software, download and install Version 2.3 from the
following site:
http://hp.vector.co.jp/authors/VA002416/teraterm.html
Cable Wiring
Null Modem Cable
The null modem cable provides an RS-232 serial connection from the
CK721-A controller RS232C A port to the computer’s COM port.
Connector 1 Pinout Connector 2 Pinout
TX = Transmit
RX = Receive
RTS = Request to Send
CTS = Clear to Send
SG = Signal Ground
DSR = Data Set Ready
DTR = Data Terminal Ready
3 TX 2 RX
2 RX 3 TX
7 RTS 8 CTS
8 CTS 7 RTS
5 SG 5 SG
6 DSR 4 DTR
4 DTR 6 DSR