Installation guide
COM Port Pinout Assignments
A-8 Specifications
A.4 COM PORT PINOUT ASSIGNMENTS
The COM port is a serial communications port for local access to Local Management. Refer to
Table A-12 for the COM port pin assignments.
A.5 REGULATORY COMPLIANCE
The 7H4382-49, 7H4383-49, 7G4270-12, 7G4202-30, and 7H4203-72 meet the safety and
electromagnetic compatibility (EMC) requirements listed in Table A-13:
Table A-12 COM Port Pin Assignments
Pin Signal Name Input/Output
1 Transmit Data (XMT) Output
2 Data Carrier Detect (DCD) Output
3 Data Set Ready (DSR) Input
4 Receive Data (RCV) Input
5 Signal Ground (GND) NA
6 Data Terminal Ready (DTR) Output
7 Request to Send (RTS) Input
8 Clear to Send (CTS) NA
Table A-13 Compliance Standards
Regulatory Compliance Standards
Safety This product complies with the following: UL 60950,
CSA C22.2 No. 60950, 2006/95/EC, EN 60950, IEC
60950, EN 60825, 21 CFR 1040.10. The modules
that support laser connections also meet the
EN 60825 standard.
Electromagnetic Compatibility (EMC) This product complies with the following: 47 CFR
Parts 2 and 15, CSA C108.8, 2004/108/EC, EN
55022, EN 61000-3-2, EN 61000-3-3, EN 55024,
AS/NZS CISPR 22, VCCI V-3.