COMMAX CONVERTER UNIT CCU-208AGF
User Manual
1. Feature
- This unit is an 8-channel distributor for layer 1 POWER, supporting up to two units within 30 meters.
- It can be used with 2-wire loop type Interphones manufactured by COMMAX (e.g., AP-2SAG).
- Connects with a lobby phone using 6 wires and distributors using 8 wires.
- Remote updating is possible via guard phone.
- Ensure correct wire sequence and avoid duplication of device IDs.
- Use COMMAX Power Adapter: RF-24AS or other vendors' adapter: DC24V/3A.
2. Warnings and Cautions
Please follow the guidelines below to prevent danger or property damage.
Warning
Violation may cause serious damage or injury.
- Do not disassemble.
- Do not touch.
- Must follow strictly.
- Shows unplugging the power cord without exception.
- Shows warnings and cautions for electric shock and fire.
Caution
Violation may cause minor damage or injury.
Power & Installation
- Do not use multiple products on one power socket simultaneously: May cause fire due to abnormal overheating.
- Do not bend power cables excessively: May cause electric shock.
- Do not handle power cables with wet hands: May cause electric shock.
- Unplug the power cable when not in use for extended periods: May shorten product lifespan or cause fire.
- Do not install in places with excessive oil, smoke, or humidity: May cause electric shock or fire.
- Do not install during lightning storms: May cause electric shock or fire.
- Do not use or connect with products of different rated voltages: May cause disorder or fire.
- Ensure ventilation for heat-generating products: Install at least 10cm away from walls to prevent fire due to increased internal temperature.
Cleaning & Use
- Do not disassemble, repair, or rebuild the product: Contact the service center for repairs. May cause electric shock or fire.
- If abnormal sound, burning smell, or smoke occurs, unplug the power cable and contact a service center: May cause electric shock or fire.
- Do not insert metallic or burnable materials into ventilation holes: May cause electric shock or fire.
- Use only designated batteries for DC power products: May cause electric shock or fire.
- Plug power cables in firmly: May cause fire.
- When connecting power cables after cutting, install with the power off: May cause electric shock or fire.
- Hold the plug tightly when unplugging: Grabbing the cord may cause copper wire disconnection, leading to electric shock or fire.
- Install the product securely using wall-mounting units and screws: Prevents injury from falling objects.
- Be careful when using AC circuit breakers: Possibility of electric shock.
- Check voltage and current for DC-only products and use appropriate rectifiers: May cause fire.
- Avoid direct sunlight or heating devices during installation: May cause fire.
- Do not install on unstable surfaces or small supports: May cause injury if the product falls.
- Clean with a soft, dry cloth after unplugging the power cable: Do not use chemical products like wax, benzene, alcohol, or cleansers.
- Do not drop the product or apply shock: May cause failure.
- Use designated connection cables within the maximum calling distance: Exceeding the distance may reduce product performance.
3. The name & Function
3-1. Part Names
Refer to the diagram for part identification:
Diagram Description: A block diagram showing various connection points and components labeled with numbers 1 through 9.
| No. | Part | No. | Part |
|---|---|---|---|
| 1 | Common line input | 6 | POWER SWITCH |
| 2 | Common line output | 7 | Power Input Terminal |
| 3 | Household input & output | 8 | STATUS LED |
| 4 | Program terminal | 9 | ID SWITCH |
| 5 | RS-232 terminal |
3-2. FUNCTION
- ① Common line input terminal: Lobby Common line & Distributor common line input terminal.
- ② Common line output terminal: Distributor Common line output terminal.
- ③ Household input & output terminal: House hold call line input terminal.
- ④ Program terminal: Terminal for program download.
- ⑤ RS-232 Connection terminal: Allows settings changes via PC.
- ⑥ Power switch: ON/OFF switch for power.
- ⑦ Power input terminal: RF-24AS Adaptor connection terminal.
- ⑧ Status LED: Indicates status:
- Power LED: On when power is on.
- Lobby call LED: On when calling between HOUSEHOLD & LOBBY.
- Guard call LED: On when calling between Household & Guard or Household.
- Data LED: On when transferring data between devices.
- Error check LED: On when an error occurs.
- ⑨ ID SWITCH: DIP SWITCH used to set the device ID.
4. Manual to use
4-1. Door open function of the Lobby
To open the door via the interphone while talking to the Lobby phone:
4-1-1: Method using the Hook switch
- Press and release the hook switch for 1 second.
- The door opens.
- Hang up the handset to end the call. (Caution: Guard room is called if you do not hang up in a period time)
4-1-2: Using the door open button
(If your household unit has a door open button.)
- Press the door open button while talking to the lobby.
- The door is opened.
- Hang up the handset to end the call.
4-2. When changed by the guard phone
Refer to the user manual of the linkage guard phone.
4-3 The Method to set the device ID
Set the device ID using BCD code via the DIP switch. The DIP switch is divided into two parts: Lower 4 bits (1-4) and Upper 4 bits (5-8).
Diagram Description: A visual representation of a DIP switch with 8 positions, labeled 1 through 8. Each position can be set to 'OFF' or 'ON'. The diagram shows the configuration for setting IDs 0 through 9.
ID Setting Table:
| Number | How to set up | Number | How to set up |
|---|---|---|---|
| 0 | Lower: OFF OFF OFF OFF |
5 | Lower: ON OFF OFF OFF |
| 1 | Lower: ON OFF OFF OFF |
6 | Lower: ON ON OFF OFF |
| 2 | Lower: ON ON OFF OFF |
7 | Lower: ON ON ON OFF |
| 3 | Lower: ON ON ON OFF |
8 | Lower: ON ON ON ON |
| 4 | Lower: ON ON ON ON |
9 | Lower: ON OFF OFF OFF |
Lower bits set the unit's place, and Upper bits set the ten's place. You can set up to 99 IDs.
5. System Diagram
Diagram Description: A system diagram illustrating the connection between household units, a floor distributor, a guard station, a lobby phone, and an adapter. Power sources (12V, 24V) are indicated for various components.
6. Wiring
Diagram Description: A diagram showing the terminal layout of the CCU-208AGF unit, including connections for Lobby/Guard In, Lobby/Guard Out, Household 1-8, LED, DIP-SW, PROG, RS-232, PWR SW, and DC24V.
| LOBBY&GUARD IN | LOBBY&GUARD OUT | PROGRAM | RS-232 | |
|---|---|---|---|---|
| 1 | DATA | DATA | GND | RXD |
| 2 | GND | GND | TXD | TXD |
| 3 | Lobby talk A | Lobby talk A | VCC | GND |
| 4 | Lobby talk B | Lobby talk B | RXD | |
| 5 | Guard talk A | Guard talk A | ||
| 6 | Guard talk B | Guard talk B | ||
| 7 | DC 24V IN | DC 24V OUT | To use only between floor distributors | |
| 8 | GND | GND | ||
7. Precautions
- If the product is damaged or an error occurs, contact the customer support team.
- Do not place objects like flower vases or bottles on the product.
- Ensure proper electrical cutoff (breaker) is used for indoor wiring in buildings prone to fire or equipment failure. Press the building's breaker immediately if a risk occurs.
- Always turn off the power before installing or repairing the unit.
8. Others
- Before reporting faulty equipment, read this manual thoroughly.
- Check all statuses before contacting customer service.
9. Specifications and Characteristics
| Model | CCU-208AGF | ||
|---|---|---|---|
| Wiring | To Lobby 6 Common Wires, To Floor Distributor 8 Common Wires | ||
| Power | 24V/1.5A with RF-24AS (When using power adapter of other vendors: 24V === /3A) | ||
| Power consumption | Standby: 210mA, Maximum: 400mA | ||
| Range | 200 meter / ر0.65mm wire (Household CCU-208AGF → Guard) | ||
