# Serial Interface Card Citizen CT-S600 CT-S800 TZ66801-0

**URL:** https://aio.lv/en/product--citizen-tz66801-0--634207
**Data updated:** 2026-01-13 15:26 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** Citizen
**Manufacturer code:** TZ66801-0
**EAN:** 5712505234617
**Warranty:** 3 Months
**Availability:** Available for order
**Price:** 17.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 14.45 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--citizen-tz66801-0--634207

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The Citizen Serial Interface Card is designed for seamless connectivity with devices such as the CT-S600 and CT-S800 printers. It features a host interface and output interface both utilizing serial connections, ensuring reliable data transmission. This card enhances compatibility with various systems, making it an essential accessory for efficient printing operations.

## Long description

The Serial Interface Card Citizen CT-S600 CT-S800 TZ66801-0 provides serial connectivity for Citizen CT-S600 and CT-S800 printers. Designed to integrate with existing systems, the card offers a serial host interface and serial output interface to enable reliable data transmission between the printer and connected devices. This accessory supports setups where serial communication is required for point-of-sale, kiosk or embedded printing applications.
Advantages
The card delivers stable serial communication compatible with the CT-S600 and CT-S800 printer models, reducing connection issues and simplifying integration. Its straightforward interface design minimizes configuration complexity and helps maintain consistent print performance in systems that rely on serial ports. The accessory is compact and intended for internal installation in compatible printers, preserving the printer's footprint while expanding connectivity options.
Suitable for
Point-of-sale terminals and receipt printing
Kiosks and self-service stations
Industrial and embedded systems requiring serial connections
Legacy systems that use RS-232/serial communication
Key specifications
Host interface: Serial
Output interface: Serial
Compatibility: Designed for use with Citizen CT-S600 and CT-S800 series printers
Form factor: Internal card for installation in compatible printer models
How to use
Install the serial interface card into the designated expansion slot of a compatible Citizen CT-S600 or CT-S800 printer according to the printer's service manual. After physical installation, connect the serial host cable from the host device to the card's host serial connector and connect the printer output as required by the system architecture. Configure the printer and host device serial parameters (baud rate, parity, data bits, stop bits, and flow control) to match on both ends to ensure reliable communication. Verify successful operation by sending test print data and checking for expected responses from the printer.
Usage recommendations
Use shielded serial cables and secure connectors to reduce electrical interference. Confirm serial settings and cabling before performing extended deployments. For installations in electrically noisy environments, consider grounding and additional cable management to maintain reliable communication.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| Host interface | Serial |
| Output interface | Serial |

### Design

| Feature | Value |
|---|---|
| Internal | No |

### Performance

| Feature | Value |
|---|---|
| Compatibility | CT-S600, CT-S800 |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733020 |

## FAQ

### How much does the Serial Interface Card Citizen CT-S600 CT-S800 TZ66801-0 cost, and is it available for purchase?

The price is 17.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 01.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Citizen products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Citizen service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: host interface, internal, output interface, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/634207/65747957_large.webp