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STLC5444B1
STLC5444B1 - Brand New STMicroelectronics IC Chips
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
DESCRIPTION
The ISDN Quad Feeder Power Supply (IQFPS) provides a power source for up to
four line interfaces. The power source to the device is a local battery or a
centralized regulated power supply.
It can operate in point-to-point and point-to-multipoint configurations as far
as S interface is concerned. By the device microprocessor interface, each
powered line is individually controlled and monitored.
■ SUPPLIES POWER FOR UP TO FOUR DIGITAL TELEPHONE LINES
■ CONFORMS TO THE CCITT RECOMMENDATIONS FOR POWER FEED AT THE S OR T REFERENCE
POINTS
■ SUPPORTS POINT-TO-POINT AND POINT TO MULTIPOINT CONFIGURATIONS
■ EACH OF THE FOUR LINES IS INDIVIDUALLY CONTROLLED
■ HIGH-VOLTAGE BCD TECHNOLOGY SUPPORTING UP TO -130V
■ AUTOMATIC THERMAL SHUTDOWN
■ STATUS CONDITION DETECTION (BY MICROPROCESSOR) FOR EACH LINE:
– Low output voltage
– Openloop
– Current overload
– Thermal overload
– Normal line condition
■ PROGRAMMABLE CURRENT LIMITING
■ OUTPUT CURRENT UP TO 120mA
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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