Comb Communications MKII Quick Reference Manual - Page 7

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POWER

1. Wire the 220VAC mains to the lightning protection unit, observe the

2. Connect the battery to the battery connector.

The MKII will now boot up and after about 1 minute is ready to operate. Make sure

the installation is good by checking the following:

GSM signal: type *#0002. The signal should be between 17 and 31. If not you may

need a better GSM antenna or the GSM antenna wiring is faulty. Try to re-orientate

the Antenna.

BATTERY: type *#0005 to check the battery voltage, it should be between 13.0V

and 14.5V.

Use the supervisor code *#0008 to obtain the unit ID. This 8 character number is

required to setup the unit on the website.

Refer to the MKII user manual to configure and test your system.

Should the MKII unit fail to respond or "hang-up" The MKII can be rebooted from the

front panel with a supervisor code *#0004. If the keypad is not responsive, remove

the battery plug and remove the mains power or 16VAC power for 10 seconds then

re-apply.

ANTENNA INSTALLATION GUIDELINES

The MKII Intercom requires a Multi-band GSM antenna. This will differ for your

Country of installation. Proper GSM antenna installation is essential for correct

system performance. Various options are provided for different scenarios for cable

length and antenna gain. The provided antenna is suitable for most applications.

When installing the GSM antenna the following guidelines must be adhered to

The GSM signal strength (accessed form the keypad via *#0002

command should be between 16 and 31. Lower than 16 is a poor GSM signal

and will impair the MKII system performance.

earth and

polarity. Apply the mains power.