ENGLISH |
| ENGLISH |
|
LOGIC CONNECTION SPECIFICATIONS
The logic capability of the UC4 receiver provides two functions: transmitter status indication (which can be used to signal and control other events) and transmitter low battery indication. The various logic functions and their applica- tions are presented in the following table. Refer to Figure 28 below for pin mapping.
Pin No. | Function | Transmitter Status | Logic Level | Typical Applications | Connections |
1 | Signals or controls | On | Low (0V) | •Drives a remote LED. | Tie the transmitter status |
| other events. | Off | High (+5 V) | •Provides remote indica- | pin to podium mic mute in- |
|
| put terminal on the automat- | |||
|
|
| 100 mA of | tion of transmitter status | |
|
|
| ic mixer | ||
|
|
| current | when used with a Room | Tie receiver logic ground to |
|
|
| sinking | Control System (i.e., | |
|
|
| mixer logic ground. | ||
|
|
| provided. | Crestron or AMX) | |
|
|
|
| ||
|
|
|
| •Activates external equip- |
|
|
|
|
| ment (equalizer, signal |
|
|
|
|
| processor, loudspeakers, |
|
|
|
|
| etc.) when used with a |
|
|
|
|
| Room Control System. |
|
|
|
|
| •Transmitter status control |
|
|
|
|
| muting/unmuting of an in- |
|
|
|
|
| put channel on automatic |
|
|
|
|
| mixer. Used with auto- |
|
|
|
|
| matic mixers, such as |
|
|
|
|
| Shure Model SCM810 |
|
|
|
|
|
|
|
2 | Logic Ground* | ±± | ±± | ±± | Make all logic ground con- |
|
|
|
|
| nections to this pin, includ- |
|
|
|
|
| ing the power supply |
|
|
|
|
| ground of external logic cir- |
|
|
|
|
| cuitry. To avoid switching |
|
|
|
|
| noise, do not connect logic |
|
|
|
|
| ground to audio, chassis, or |
|
|
|
|
| rack grounds. |
3 | Remote indication of | Good Battery (1±8 hours of | Low (0 V) | •Drives a remote LED to |
|
| transmitter battery | battery life remaining) |
| light when battery is low. |
|
| status. | Low Battery (1 hour of less | High (+5 V) | •Indicates low transmitter |
|
|
|
| |||
|
| of battery life remaining) |
| battery status on remote |
|
|
|
|
|
| |
|
|
|
| control panel when used |
|
|
|
|
| with a Room Control |
|
|
|
|
| System. |
|
|
|
|
|
|
|
*Logic ground is distinct from UC4 audio ground.
SCM810 MIXER DB 25 LOGIC CONNECTOR
GATE 1 |
| GATE 3 |
| GATE 5 |
| GATE 7 |
| LOGIC | |||||
|
| MUTE 1 |
| MUTE 3 |
| MUTE 5 |
|
| GROUND | ||||
|
|
|
|
| |||||||||
|
|
|
|
| MUTE 7 | ||||||||
|
|
| OVERRIDE 2 |
|
| OVERRIDE 4 |
|
| OVERRIDE 6 |
|
| OVERRIDE 8 |
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MUTE 2 | MUTE 4 | MUTE 6 | MUTE 8 |
| GATE 2 | GATE 4 | GATE 6 | GATE 8 |
OVERRIDE 1 | OVERRIDE 3 | OVERRIDE 5 | OVERRIDE 7 |
|
UC4 LOGIC CONNECTOR
LOGIC GROUND
PIN 1: TRANSMITTER STATUS OUT
PIN 2: LOGIC GROUND
PIN 3: TRANSMITTER LOW BATTERY
TYPICAL UC4 CONNECTIONS TO SCM810 MIXER LOGIC CONNECTOR
FIGURE 28
NOTE: For more information on logic functions, please contact the Shure Applications Department.
± 18 ±