7
6.
Loopback Test in Serial Loop
The Loopback test determines whether your computer’s serial port hardware is functioning properly. Use Menu
selection:
Tools / Port Scan
and then select the “Loopback Test” button at the bottom of the window. Follow the
directions on the screen.
- If the Loopback is found by the port scan, then your computers serial port is functioning properly.
- If the Loopback is not found, then the serial port being tested is not working properly and cannot be used.
Try connecting the cable to a different serial port and select the “Rescan” button
.
Specifications
Supply Voltage:
9 VDC, center negative
Supply Current:
Less than 250 mA
Loop Current Draw:
Less than 1 mA
Loop Voltage:
30 to 105 VDC
Ringing Voltage:
60 to 130 VAC
Insertion Loss:
Less than 0.3 dB
Voltage Drop:
2.7 VDC at 20 mA loop current
Ringer Equivalence:
(REN) 0.1 B
Dimensions:
4.3" x 3.25" x 1.5"
Manufacture’s Information
CallerID.com
5680 Oakbrook Parkway, #150
Norcross, GA 30093
Sales
(800) 240-4637
Customer Service
(770) 263-7111
Web Site
www.CallerID.com
Warranty Information
CallerID.com will repair this product with new or rebuilt parts, free of charge, when returned postage prepaid to the
CallerID.com repair facility in Norcross, GA within 1 year from the date of original purchase.
This warranty is extended only to the original purchaser. A purchase receipt or other acceptable proof of purchase date
will be required before warranty service is rendered.
This warranty covers failures due only to defects in materials or workmanship occurring during normal use. It does not
cover damage which occurs in shipment; failures which are caused by products not manufactured by CallerID.com;
failures which result from accident, misuse, abuse, neglect, mishandling, misapplication, alteration, modification or
unintended use of product; service by anyone other than an authorized CallerID.com repair facility; or damage
attributed to an act of God. Lightning is considered an act of God.
CallerID.com makes no other warranty, either expressed or implied, with respect to this product.
If a problem develops concerning this product, contact your local dealer or CallerID.com directly for a Return Material
Authorization (RMA) number. A RMA number is required for all returns.
