Comcast phone wiring diagram - Make sure all inside wiring is disconnected from the telco's nid on the facet of the house, so your now not getting any communicate battery voltage from the telco's line feeding into the internal wiring either on the first or 2d pair. If you need to split the l1/l2 jack to feed both the inside cellphone wiring within the home and an extra cellphone inside the room with the emta, you need to add a phone splitter in order to come up with two jacks for line 1. The emta has two jacks, the 1st jack, categorised l1/l2 on many emta's is a rj14 jack that resources dial tone to 2 lines when you have them.? the line one pair is for line one, the line 2 pair is for a second cellphone line of you subscribe to one.? in case you do not subscribe to a 2nd line, that jack nevertheless has communicate battery voltage on it.
After i connect the cable modem's telephone port to telephone jack a (inconveniently in some other room) and a phone to jack b (inside the identical room), then the phone has dial tone and i'm able to call out. All is right. In case you want to open up both jacks and verify the red/green (blu-wht/wht/blu) are related to the center pair on every jack (line 1). And that every one 1st pair (purple/inexperienced or blu/wht) inside wiring is connected together both on the termination factor, in which ever this is, (storage, outside, basement and so forth).? have a look at each jack and ensure the 2d pair (yellow/black or org/wht) is kept at the second pair and isn't always connected to line 1. You can't use both jacks except you subscribe to 2 strains.? you have to use the primary pair at the l1/l2 jack and that is all.? this will be the middle conductors on a smartphone cord for tip and ring.
After i connect the cable modem's cellphone port to jack b (the desired jack), it doesn't paintings. Rather a group of the lights at the cable modem begin blinking in sync. I am no longer certain how to check what's special between the 2, so that i'm able to restore it if feasible.