User Manual
Rocket Port Protector P60
2000138 Rev B
1
Overview
The Comtrol P60 RS-232 Surge Protector protects the RS-232 communication line from TOV (Transient Over Voltages) which comes
from lightning, electrostatic discharge, and other forms. TOV is always a major factor that damages components and makes ports
unreliable. To provide a solution for this problem, Comtrol includes a Transient Voltage Suppressor to our I/O ports to clamp surge
voltage to protect ports from TOV.
Specifications
The following list illustrates the P60 conditions and specifications.
• RS-232 RJ45 Connectors supports TxD, RxD, DTR, DSR, RTS, CTS, GND, and DCD.
• RS-232 Terminal Block supports TxD, RxD, DTR, DSR, RTS, CTS, and GND.
• LED Indicators for TxD, RxD, DTR, DSR, RTS, CTS, DCD.
P60 Specification
Surge protection 2000V
Dimension 90mm x 60mm x 21mm
Environmental Condition Value
Operating Temperature 0 to 55
Electromagnetic Compliance Status
Emissions:
RFI Emissions: Class A
EN 55022
FCC Part 15: Class A
Immunity:
EN 50082-1
o
C
Yes
Yes
Overview 2
Package Check List
Caution
P60 Rocket Port Surge Protector
Cable
Mounting kit
User Manual
Installation
1. Connect the cables using the labels for a guide.
The labels, local and remote, are on the top surface of the P60. The P60 blocks a surge from both the local and the remote site, but
the LED indicators and the local host are protected only if the surge comes in from the remote port. We recommend that you keep the
P60 as close as possible to the local host. Otherwise you may risk damaging the P60 as well as the local host if a surge occurs between
the P60’s local port and the host.
If you are using the terminal block, note that the remote port and the terminal block are the same except that the DCD signal in not
available in the terminal block.
If you need to protect both local and remote hosts, you will need to install two P60s.
2. We recommend that you connect the GND at the terminal block to the earth ground to provide a ground path to prevent electrical
shock caused by lightning.
You should do this if you are using either the RJ45 connection or the terminal block. If possible, use the same ground that you use
on the device that you want to protect.
Earth Ground must be made in order to ensure product performance.
Package Check List 3
LED Indicators
The LEDs on the top indicate connections for TxD, RxD, DTR, DSR, RTS, CTS, and DCD. They are dim when there is not a signal.
TxD Indicator (signal from the local port)
Green: connected but not transmitting data.
Orange: transmitting data from local to remote site.
RxD Indicator (signal from the remote port)
Green: connected but not receiving data.
Orange: receiving data from the remote to local site.
DTR/RTS Indicators (signal from the local port)
Red: connected and DTR (or RTS) signal is turned on.
Green: connected and DTR (or RTS) signal is turned off.
DSR/CTS/DCD Indicators (signal from the remote port)
Red: connected and DSR (or CTS/DCD) signal is turned on.
Green: connected and DSR (or CTS/DCD) signal is turned off.
Self Test
This configuration is for a P60 self test. Run the terminal emulation program to see if what you typed is what you received.
In the previous image, all the signal lines could be either from the remote site RJ45 or the terminal block and shorted as shown.
Installation 4
RS-232 Pinouts and Cable Wiring
The RS-232 pinouts for the RJ45 connector or terminal block is as follows:
RJ-45 Connector Terminal Block Connector
1 2 3 4 5 6 7 8 9 10
P60 P60
RJ45 Jack Terminal Block
Connector Pinouts Signals Connector Pinouts Signals
1 DCD 1 TxD
2 DSR 2 RxD
3 RTS 3 DTR
4 SG 4 DSR
5 TxD 5 RTS
6 RxD 6 CTS
7 EGND 7 EGND
8 CTS
9 DTR
10 not connected
1 2 3 4 5 6 7
Note: SG = Signal Ground; EGND = Earth Ground
RS-232 Pinouts and Cable Wiring 5
Cable Wiring
There are two types of RS-232 cable wiring which are listed as follows.
Note: 1. The Terminal Block does not support a DCD signal.
2. DTE: Data Terminal Equipment or “your PC”) or DCE (Data Communications Equipment or “remote device.” Check the
precise DTE/DCE pinouts. For an example, see the following DTE/DCE pinout examples.
Type 1: To connect the RS-232 local/remote port of a P60 to a DTE or DCE.
P60 to DTE Cable
Signal Pin Signal
DCD 8 DCD
DSR 20 DTR
RJ45
RTS 5 CTS
TxD 3 RxD
RxD 2 TxD
SG 7 SG
CTS 4 RTS
DTR 6 DSR
DB-25
Male
P60 to DTE Cable
Signal Pin Signal
DCD 1 DCD
DSR 4 DTR
RJ45
RTS 8 CTS
TxD 2 RxD
RxD 3 TxD
SG 5 SG
CTS 7 RTS
DTR 6 DSR
DB-9
Male
P60 to DCE Cable
Signal Pin Signal
DCD 8 DCD
RJ45 DB-25
Cable Wiring 6
DSR 6 DTR
RTS 4 CTS
TxD 2 RxD
RxD 3 TxD
SG 7 SG
CTS 5 RTS
DTR 20 DSR
Female
Type 2: To connect the RS-232 local/remote port of a P60 to a DTE (Data Terminal Equipment or “your PC”) with a 3-pin wiring if you
don’t require hardware flow control.
P60 to DTE Cable
Signal Pin Signal
TxD 3 RxD
RxD 2 TxD
RJ45
SG 7 SG
RTS 5 CTS
CTS 4 RTS
DSR 20 DTR
DTR 6 DSR
DCD 8 DCD
DB-25
Male
P60 to DTE Cable
Signal Pin Signal
TxD 2 RxD
RJ45
RxD 3 TxD
SG 5 SG
RTS 8 CTS
CTS 7 RTS
DSR 4 DTR
DTR 6 DSR
DCD 1 DCD
DB-9
Male
P60 to DCE Cable
Signal Pin Signal
TxD 2 RxD
RJ45 DB-25
RxD 3 TxD
SG 7 SG
RTS 4 CTS
CTS 5 RTS
DSR 6 DTR
DTR 20 DSR
DCD 8 DCD
Female
P60 to DTE Cable 7
FCC Notices
Radio Frequency Interference (RFI) (FCC 15.105)
This equipment has been tested and found to comply with the limits for Class A digital devices pursuant to Part 15 of the FCC Rules.
This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try and correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Labeling Requirements (FCC 15.19)
This equipment complies with Part 15 of FCC Rules. Operation is subject to the following two conditions:
• This device may not cause harmful interference, and
• This device must accept any interference received, including interference that may cause undesired operation.
Modifications (FCC 15.21)
Changes or modifications to this equipment not expressly approved by Comtrol Corporation may void the user’s authority to operate this
equipment.
Serial Cables (FCC 15.27)
This equipment is certified for Class A operation when used with shielded cables.
Contacting Technical Support
Comtrol has a staff of support technicians available to help you. Before you call, please have the following information available:
Comtrol product model number: _______________________
Serial number: _______________________________________
Operating system type and release: _____________________
Computer make: _____________________________________
Computer model: _____________________________________
Processor speed: ______________________________________
Comtrol Corporate Headquarters:
• Web site: http://www.comtrol.com
• E-mail: support@comtrol.com
• FAX: (763) 494-4199
• Tel: (763) 494-4100
• FTP site: ftp://ftp.comtrol.com
Comtrol UK Technical Support
• Web site: http://www.comtrol.co.uk
• E-mail: support@comtrol.co.uk
• FAX: +44 (0) 1 869-323-211
• Tel: +44 (0) 1 869-323-220
Copyrights and Trademarks
Copyright (c)2000 Comtrol Corporation. All Rights Reserved.
Comtrol Corporation makes no representations or warranties with regard to the contents of this document or to the suitability of the
Comtrol products for any particular purpose. Specifications subject to change without notice. Some features may not be available at the
time of publication. Contact your reseller for current product information.
RocketPort is a registered trademark of Comtrol Corporation.
Other product and company names mentioned herein may be the trademarks and/or registered trademarks of their respective owners.
FCC Notices 8
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