Page 3 - User’s Guide
Page 6 - Contents
Contents Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 FCC statement . . . . . . . . . . . . . . . . . . . . . . . 6 FCC regulations . . . . . . . . . . . . . . . . . . . . . . . 6 DOC statement . . . . . . . . . . . . . . . . . . . . . . . 7 Safety information . . . . . ...
Page 8 - Regulations; FCC statement
Regulations 1 FCC statement This equipment has been tested and found to complywith the limits for a Class A digital device, pursuantto Part 15 of the Federal CommunicationsCommission (FCC) rules. These limits are designedto provide reasonable protection against harmfulinterference when the equipment...
Page 9 - DOC statement
DOC statement This digital apparatus does not exceed the Class Alimits for radio noise emissions from digitalapparatus as outlined in the Radio InterferenceRegulations of the Canadian Department ofCommunications (DOC). The MRC-921 MicroBase’s MicroRadio is alsoapproved for use in Canada. No license ...
Page 10 - Safety information; Using the radio
Safety information 2 Using the radio The FCC with its action in General Docket 79-144,March 13, 1985, has adopted a safety standardfor human exposure to radio frequency (RF)electromagnetic energy emitted by FCC regulatedequipment. Telxon subscribes to the same safetystandard for the use of its produ...
Page 11 - Disposing of nickel-cadmium batteries
Disposing of nickel-cadmium batteries Nickel-cadmium batteries contain chemically activematerials that are hazardous to the environment;therefore, they must be disposed of properly. Neverattempt to incinerate a nickel-cadmium battery;doing so could cause it to explode. Telxon urges youto contact the...
Page 12 - Scope of the manual; Document conventions; Cautions; Related publications
Scope of the manual 3 This manual provides general information on theMRC-921 MicroBase’s parts, features, andaccessories. It also explains how to operate andmaintain the cradle. Document conventions Cautions Cautions indicate potential damage to equipment.They are set off in the left-hand columns of...
Page 13 - Overview of the MRC-921 MicroBase
Overview of the MRC-921 MicroBase 4 Figure 1 shows a typical MRC-921MicroBase system. The MRC-921 MicroBase is a communication cradlethat allows a wireless MicroRadio-based scanner,such as the PTC-921, to communicate with a host.The cradle connects to the host’s serial port via cableand communicates...
Page 14 - Getting started; Unpacking the MRC-921; Connecting the external antenna (if ordered)
Getting started 5 Unpacking the MRC-921 Any additional accessories areshipped in separate boxes with theirown manuals. Each shipping box contains • an MRC-921 MicroBase, • a power pack (if ordered), • an external antenna (if ordered), • spare PTC-921 battery packs (if ordered), • an SC-921 and MRC-9...
Page 15 - Supplying power to the MRC-921; Running the power-on self test
Supplying power to the MRC-921 Equipment required: • A 12-volt, 800-mA power pack To use the unit outside of the U.S. orCanada, you need a power packdesigned for a 220-volt AC outlet. • An electrical outlet within 6 feet (1.8 meters) ofthe MRC-921 providing 110 volts AC in theU.S. or Canada 1. Place...
Page 16 - Parts; MicroRadio
Parts 6 Figures 2 and 3 on the following pages show and describe the external parts of the MRC-921MicroBase. The part listed below is internal and,therefore, is not shown in either of the figures. MicroRadio See Appendix A for radio specifications. This short-range radio in the MRC-921 is used tocom...
Page 19 - Recharging battery packs
Recharging battery packs 7 ! Use the MRC-921 to recharge only PTC-921 battery packs. Follow the instructions in this section to use theMRC-921 as a battery charger. ! Recharging a cold battery pack can damage it. Allow any battery pack used in below-freezingtemperatures to warm up to room temperatur...
Page 21 - Connecting the MRC-921 to a host; Connecting to the host’s serial port
Connecting the MRC-921 to a host 8 The MRC-921 MicroBase can communicate with avariety of host devices, such as personal computersand point-of-sale (POS) terminals. Each host canaccept data from the MRC-921 through its RS-232serial port. Follow the instructions in this section to connect yourMRC-921...
Page 22 - Configuring the MRC-921
Configuring the MRC-921 9 Before the MRC-921 MicroBase can send data fromthe wireless scanner (PTC-921) to the host, the cradlemust be properly configured for communication.Specifically, parameters such as the radio channel,baud rate, communication protocol, and so on need tobe selected. If it has n...
Page 23 - Communicating data
Communicating data 10 After the MRC-921 has been connected to the hostand properly configured, communication usuallyfollows this general pattern: 1. All three units (PTC-921, MRC-921, and host) areturned on. The default message is usually anasterisk (*). 2. The PTC-921 initiates communication with t...
Page 24 - Maintaining the MRC-921; Operating conditions
Maintaining the MRC-921 11 The MRC-921 is well constructed and durable;however, it is a precision electronic device and mustbe treated as such. Follow the procedures in thissection to ensure reliable service. Operating conditions The MRC-921 is designed to operate in environmentsthat are normally fr...
Page 25 - Servicing the MRC-921
Storing the MRC-921 • Do not store the MRC-921 in temperatures below − 20 degrees F ( − 29 degrees C) or above 140 degrees F (60 degrees C). • Do not store the MRC-921 in a damp or humidenvironment (over 95% noncondensing). Pack the MRC-921 in the original packing material orin a padded box and put ...
Page 26 - Troubleshooting; LEDs remain on after the power-on self test; The red LED for the spare battery pack does
Troubleshooting 12 LEDs remain on after the power-on self test • Remove the spare battery pack and PTC, ifpresent, from the MRC-921. Unplug the powerpack; then plug it in again. • If the LEDs remain lit, call your Telxon servicerepresentative. The red LED for the PTC does not light • Make sure the P...
Page 27 - Both LEDs for the PTC are blinking; Both LEDs for the spare battery pack are; The battery pack in the PTC or spare battery
Both LEDs for the PTC are blinking • Make sure the PTC is installed correctly in its bay. • Exchange the battery pack in the PTC-921 with thespare battery pack. Refer to page 9 for information on disposing of your nickel-cadmiumbattery pack. If the LEDs stop blinking, the first battery pack isfaulty...
Page 28 - The green LED for the PTC never lights; The green LED for the spare battery pack; Other problems
The green LED for the PTC never lights If the PTC bay was ordered as atrickle charger, the green LED willnever light. This is normal. • Call your Telxon service representative. The green LED for the spare battery pack never lights • Call your Telxon service representative. Other problems If you expe...
Page 29 - Appendix; Specifications; Communication; Environmental; Physical
Appendix A Specifications Communication Host interfaces DB-9 serial port: Built-in one- or two-way 9-pinRS-232 port, up to 38.4K bpsasync RJ-41 serial port: (Optional) Built-in one- or two-way RJ-41 serial port Electrical Charging time Fast charger: 4 hours Trickle charger: 12 to 16 hours MRC-921 in...
Page 30 - Radio
Depth: 3 in/7.6 cm Weight: 10.5 oz/.3 kg Radio Type: MicroRadio Operating frequency: 902.5 to 927.5 MHz Antenna: Internal (standard) orexternal (optional) Range Internal antenna: 35 to 50 feet(10.7 to 15.2 meters) External antenna: 75 to 100 feet(22.9 to 30.5 meters) 28
Page 31 - Hardware part numbers
Appendix B Hardware part numbers The following table lists part numbers for orderingthe MRC-921 MicroBase and accessories. Item Part number MRC-921 MicroBase 17853-001 AccessoriesExternal antennaPower packSpare PTC-921 6-volt nickel-cadmium battery pack 18634-00010142-200 16880-001 CablesMRC-921-to-...
Page 32 - Glossary
Glossary asynchronoustransmission A transmission with variable time intervals betweensuccessive data characters. In asynchronouscommunication, each data character is framed bystart and stop bits. battery pack A sealed set of rechargeable nickel-cadmium batteriesused in the PTC-921 and recharged by t...
Page 34 - Index
Index A Accessories, 12 part numbers, 29 Antenna See External antennaSee Internal antenna B Battery pack See Nickel-cadmium battery pack C Cables, 19, 29 Capacity, 11, 27 Charge time, 11, 15, 17-18, 27 Charging the nickel-cadmium battery pack, 11, 17-18 time required, 11, 15, 17-18, 27 Cleaning the ...
