What is the pinout required for an RJ-48 T1 crossover cable?
Just cross connect the transmit and receive pairs as shown below: 1->4 2->5 Tx goes to Rx 4->1 5->2 Rx goes to Tx Question: What is an LBO level on a T1 channel bank? Why would I need to adjust it? Answer: To ensure that a T1 channel bank will work on a large variety of lines, it is adjustable over range of analog levels. LBO levels are usually set by dip switches or potentiometers within the channel bank. It’s essential that these be adjusted correctly so that DTMF and caller-ID can be decoded properly. Audio fidelity is also increased when the line is properly adjusted. To adjust the level, measure the line with a TIMS set and set it to a maximum level of +0dBm. Question: How can I make a waterproof telephone wiring connection? Answer: There are several types of waterproof connectors used in phone wiring. The three most common types are: EX Connectors or “Jelly Filled Beanies” Use these where you have exposed leads or corroded wires. Beanies cut through and displace the insulation on
