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Chapter 4: Appendices
Appendix A: Technical Specifications
Data Connections
Telco Connection Port
Pin Signal Name
3 Tip
564321
4 Ring
LED indicators
The Global Security Modem is equipped with status LED indicators for five serial I/O lines.
Label Serial I/O Line
DTR Data Terminal Ready
DCD Data Carrier Detect
RI Ring Indicator
TXD Transmit Data
RXD Receive Data
Regulatory Compliance
Safety EMC
EN 60950 EN 55022
UL 1950 FCC Part 15
IEC 950 Canadian
EMC
AS/NZ 3260 EN 55024
TS-001 GB 4943, GB
9254
CCIB (China)
FCC Part 15 Regulation
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses, and can radiate radio
frequency energy, and if not installed and used in accordance with the instructions, 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
to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Plug the equipment into 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.
This device complies with Part 15 of the FCC rules. Operation of this device is subject to the following
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference that may cause undesired operation.
WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
12 • Appendices Sentry Global Security Modem
Installation and Operations Manual