EPC-3307 Hardware Reference
116
COM 1 header
COM 2
The RS-232 serial port is a male DB-9 DTE. The port is mounted on the RTM and
is accessible on the rear panel
Table E-5. H1 (COM 1) pin-out
Pin
Signal
Pin
Signal
1
Carrier detect
6
Data set ready
2
Receive data
7
Request to send
3
Transmit data
8
Clear to send
4
Data terminal ready
9
Ring indicator
5
Signal ground
10
No connect
2
1
10
9
Table E-6. DB-9 (COM 2) pin-out
Pin
Signal
Pin
Signal
1
Carrier detect
6
Data set ready
2
Receive data
7
Request to send
3
Transmit data
8
Clear to send
4
Data terminal ready
9
Ring indicator
5
Signal ground
1
5
6
9
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com