# ALC-4096 — Connectors and Pinouts

## Connector Summary

| Ref | Purpose | Connector Type | Mating Type | Matching Cable P/N |
|-----|---------|---------------|-------------|-------------------|
| CN3 | Reserved | — | — | — |
| CN6 | Ambient light sensor | Hirose DF13-2P-1.25DSA | DF13-2S-1.25C | 426321940-3 (1000mm) |
| CN8 | RS-232 serial control | Molex 53261-0671 (6-way, 1.25mm pitch) | Molex 51021-0600 | 426171800-3 (300mm) |
| CN14 | Audio line-out (analog stereo) | JST B4B-XH-A | XHP-4 | — |
| CN19 | Additional panel power output | JST S10B-PH-SM4-TB | PHR-10 | — |
| CNA1 | Auxiliary power output | JST S4B-XH-A (4-way) | XHP-4 | 426040200-3 |
| CNB1 | Backlight inverter | JST S5B-XH-A (5-way) | XHP-5 | 426058300-3 |
| CNB2 | Backlight status input | JST S2B-XH-A (2-way) | XHP-2 | 426020800-3 |
| CNC1 | OSD control | Hirose DF13A-12P-1.25H (12-way) | DF13-12S-1.25C | 8-btn: 426122200-3 (150mm) or 426122210-3 (250mm); 5-btn: 426123010-3 |
| IR1 | Infra-red sensor | Molex 53261-0371 | 51021-0300 | 426031500-3 |
| J7 | V-by-One / eDP panel signal output | JAE FI-RE51S-HF (51-pin) | FI-RE51HL | — |
| LED1 | Dual-color status LED | JST S3B-ZR-SM4A | ZHR-3 | 426031400-3 |
| P1 | HDMI 2.0 input | HDMI Type A | — | — |
| P2 | DisplayPort 1.2 input | DisplayPort connector | — | — |
| P3 | USB touch connector | JST B4B-PH-K | PHR-4 | 426895100-3 |
| P6 | USB-C input | USB-C connector | — | — |
| PP5 | 12V/24VDC input power | Molex 43045-0400 | Molex 43025-0400 | 426013710-3 (1000mm) |

All connectors may use compatible types.

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## Detailed Pinouts

### PP5 — 12V/24VDC Input Power

Molex 43045-0400 compatible (Mating: Molex 43025-0400)

| Pin | Description |
|-----|-------------|
| 1 | +12VDC / +24VDC in |
| 2 | Ground |
| 3 | +12VDC / +24VDC in |
| 4 | Ground |

### CN6 — Ambient Light Sensor

Hirose DF13-2P-1.25DSA (Mating: DF13-2S-1.25C)

| Pin | Symbol | Description |
|-----|--------|-------------|
| 1 | 3.3V | 3.3V power |
| 2 | ALS | Ambient light sensing signal |

### CN8 — RS-232 Serial Control

Molex 53261-0671 (Mating: Molex 51021-0600)

| Pin | Symbol | Description |
|-----|--------|-------------|
| 1 | EXT_MSTR2_SCL | Reserved |
| 2 | EXT_MSTR2_SDA | Reserved |
| 3 | VCC | +5V |
| 4 | TXD | RS-232 Tx data |
| 5 | GND | Ground |
| 6 | RXD | RS-232 Rx data |

**RS-232 wiring to PC (DB9 male):**

| Controller CN8 Pin | Signal | PC DB9 Pin | Signal |
|-------------------|--------|-----------|--------|
| 4 | TXD | 2 | RXD |
| 5 | GND | 5 | GND |
| 6 | RXD | 3 | TXD |

### CN14 — Audio Line-Out (Analog Stereo)

JST B4B-XH-A (Mating: XHP-4)

| Pin | Symbol | Description |
|-----|--------|-------------|
| 1 | GND | Ground |
| 2 | AUDIO LOUT | Audio line-out LEFT |
| 3 | GND | Ground |
| 4 | AUDIO ROUT | Audio line-out RIGHT |

### CNA1 — Auxiliary Power Output

JST S4B-XH-A (Mating: XHP-4)

| Pin | Symbol | Description |
|-----|--------|-------------|
| 1 | AUX 12V/24V | +12V / +24V DC, 500mA max |
| 2 | GND | Ground |
| 3 | GND | Ground |
| 4 | AUX 5V | +5V DC, 500mA max |

### CNB1 — Backlight Inverter

JST S5B-XH-A (Mating: XHP-5)

| Pin | Symbol | Description |
|-----|--------|-------------|
| 1 | GND | Ground |
| 2 | VBKL | +12V / +24V DC backlight power supply |
| 3 | BLCTRL | On/Off control (enable) — see JB2 and JB3 |
| 4 | BVR_WIP | Brightness VR — wiper |
| 5 | BVR_A | Brightness VR — A terminal |

For higher-power inverters, additional 12V/24V current can be drawn from CNA1 pin 1.

### CNB2 — Backlight Status Input

JST S2B-XH-A (Mating: XHP-2)

| Pin | Symbol | Description |
|-----|--------|-------------|
| 1 | BL_STATUS | Backlight status (Normal = High) |
| 2 | GND | Ground |

### CNC1 — OSD Switch Mount Control

Hirose DF13A-12P-1.25H (Mating: DF13-12S-1.25C)

| Pin | Symbol | Description |
|-----|--------|-------------|
| 1 | PSWIN | Power button A |
| 2 | SW_ON | Power button B |
| 3 | BVR_A | Backlight brightness VR pin A |
| 4 | BVR_WIP | Backlight brightness VR pin WIP |
| 5 | BVR_B | Backlight brightness VR pin B (470Ω to +5V Vcc) |
| 6 | GND | Ground |
| 7 | MENU | OSD menu |
| 8 | -/LEFT | OSD −/Left |
| 9 | +/RIGHT | OSD +/Right |
| 10 | SEL_DN | OSD Select down |
| 11 | SEL_UP | OSD Select up |
| 12 | NC | No connection |

The VR for brightness depends on the inverter. The main power load for On/Off is handled by a relay on the controller.

**Using controller without buttons:** Short pins 1 and 2 on CNC1 to fix the board permanently On.

### IR1 — Infra-Red Sensor

Molex 53261-0371 (Mating: 51021-0300)

| Pin | Symbol | Description |
|-----|--------|-------------|
| 1 | GND | Ground |
| 2 | VCC | +3.3V |
| 3 | IR Data | IR data |

### LED1 — Dual-Color Status LED

JST S3B-ZR-SM4A (Mating: ZHR-3)

| Pin | Description |
|-----|-------------|
| 1 | Green LED pin (anode) |
| 2 | LED pin common (cathode) |
| 3 | Red LED pin (anode) |

Note: Correct LED pin orientation is required for proper color indication. Red = standby; Green = signal on.

### P1 — HDMI 2.0 Input

Standard HDMI Type A connector.

| Pin | Symbol | Description |
|-----|--------|-------------|
| 1 | DATA2+ | TMDS Data2+ |
| 2 | DATA2S | TMDS Data2 Shield |
| 3 | DATA2− | TMDS Data2− |
| 4 | DATA1+ | TMDS Data1+ |
| 5 | DATA1S | TMDS Data1 Shield |
| 6 | DATA1− | TMDS Data1− |
| 7 | DATA0+ | TMDS Data0+ |
| 8 | DATA0S | TMDS Data0 Shield |
| 9 | DATA0− | TMDS Data0− |
| 10 | CLK+ | TMDS Clock+ |
| 11 | CLKS | TMDS Clock Shield |
| 12 | CLK− | TMDS Clock− |
| 13 | NC | Reserved |
| 14 | NC | Reserved |
| 15 | SCL | I²C Serial Clock (DDC) |
| 16 | SDA | I²C Serial Data (DDC) |
| 17 | GND | Ground |
| 18 | +5V | HDMI +5V power |
| 19 | HPDET | Hot Plug Detect |

### P2 — DisplayPort 1.2 Input

| Pin | Symbol | Description |
|-----|--------|-------------|
| 1 | ML_Lane 3 (n) | Lane 3 (negative) |
| 2 | GND | Ground |
| 3 | ML_Lane 3 (p) | Lane 3 (positive) |
| 4 | ML_Lane 2 (n) | Lane 2 (negative) |
| 5 | GND | Ground |
| 6 | ML_Lane 2 (p) | Lane 2 (positive) |
| 7 | ML_Lane 1 (n) | Lane 1 (negative) |
| 8 | GND | Ground |
| 9 | ML_Lane 1 (p) | Lane 1 (positive) |
| 10 | ML_Lane 0 (n) | Lane 0 (negative) |
| 11 | GND | Ground |
| 12 | ML_Lane 0 (p) | Lane 0 (positive) |
| 13 | CONFIG1 | Connected to Ground |
| 14 | CONFIG2 | Connected to Ground |
| 15 | AUX CH (p) | Auxiliary Channel (positive) |
| 16 | GND | Ground |
| 17 | AUX CH (n) | Auxiliary Channel (negative) |
| 18 | Hot Plug | Hot Plug Detect |
| 19 | GND | Ground |
| 20 | DP_PWR | Power for connector (3.3V 500mA) |

### P3 — USB Touch Connector

JST B4B-PH-K (Mating: PHR-4)

| Pin | Description |
|-----|-------------|
| 1 | +5V |
| 2 | USB Data − |
| 3 | USB Data + |
| 4 | Ground |

### J7 — V-by-One / eDP Panel Signal Output (51-pin)

JAE FI-RE51S-HF (Mating: FI-RE51HL)

Pin numbering note: Numbers in parentheses are pin numbers as read on the panel side.

| Pin | (Panel Pin) | Symbol | Description |
|-----|------------|--------|-------------|
| 1 | (51) | GND | Ground |
| 2 | (50) | LANE7P | Lane 7 (Positive) |
| 3 | (49) | LANE7N | Lane 7 (Negative) |
| 4 | (48) | GND | Ground |
| 5 | (47) | LANE6P | Lane 6 (Positive) |
| 6 | (46) | LANE6N | Lane 6 (Negative) |
| 7 | (45) | GND | Ground |
| 8 | (44) | LANE5P | Lane 5 (Positive) |
| 9 | (43) | LANE5N | Lane 5 (Negative) |
| 10 | (42) | GND | Ground |
| 11 | (41) | LANE4P | Lane 4 (Positive) |
| 12 | (40) | LANE4N | Lane 4 (Negative) |
| 13 | (39) | GND | Ground |
| 14 | (38) | LANE3P | Lane 3 (Positive) |
| 15 | (37) | LANE3N | Lane 3 (Negative) |
| 16 | (36) | GND | Ground |
| 17 | (35) | LANE2P | Lane 2 (Positive) |
| 18 | (34) | LANE2N | Lane 2 (Negative) |
| 19 | (33) | GND | Ground |
| 20 | (32) | LANE1P | Lane 1 (Positive) |
| 21 | (31) | LANE1N | Lane 1 (Negative) |
| 22 | (30) | GND | Ground |
| 23 | (29) | LANE0P | Lane 0 (Positive) |
| 24 | (28) | LANE0N | Lane 0 (Negative) |
| 25 | (27) | GND | Ground / No Connection |
| 26 | (26) | V_LOCK | No Connection (internal use) |
| 27 | (25) | V_HPD | Hot Plug Detect |
| 28 | (24) | NC | No Connection (JC10) |
| 29 | (23) | NC | No Connection (JC9) |
| 30 | (22) | AUX_CH_P_1 | Auxiliary Channel 1 (Positive) |
| 31 | (21) | AUX_CH_N_1 | Auxiliary Channel 1 (Negative) |
| 32 | (20) | NC | No Connection (JC6) |
| 33 | (19) | NC | No Connection (JC5) |
| 34 | (18) | NC | No Connection (JC4) |
| 35 | (17) | NC | No Connection (JC3) |
| 36 | (16) | AUX_CH_P_2 | Auxiliary Channel 2 (Positive) |
| 37 | (15) | AUX_CH_N_2 | Auxiliary Channel 2 (Negative) |
| 38 | (14) | GND | Ground |
| 39 | (13) | GND | Ground |
| 40 | (12) | GND | Ground |
| 41 | (11) | GND | Ground |
| 42 | (10) | GND | Ground |
| 43 | (9) | NC | No Connection |
| 44 | (8) | PANEL_VCC | Panel power supply (selected by JP12) |
| 45 | (7) | PANEL_VCC | Panel power supply (selected by JP12) |
| 46 | (6) | PANEL_VCC | Panel power supply (selected by JP12) |
| 47 | (5) | PANEL_VCC | Panel power supply (selected by JP12) |
| 48 | (4) | PANEL_VCC | Panel power supply (selected by JP11) |
| 49 | (3) | PANEL_VCC | Panel power supply (selected by JP11) |
| 50 | (2) | PANEL_VCC | Panel power supply (selected by JP11) |
| 51 | (1) | PANEL_VCC | Panel power supply (selected by JP11) |

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*Source: Digital View ALC-4096 instruction manual v1.00 (pages 10–17).*