Installed two Internet T1 connections. One with New Edge (MCI) and one with Qwest wholesale. In both cases, my Cisco 1720s do not work. In both cases, they work when an Adtran external TSU is connected to the jack and then serial port is connected to Cisco router.
Tried three routers (two 1720s and a 2600) all work on Cu T1s but not on T1 muxed from OC3 with Adtran MX. When Adtran external TSU is connected to router and then to MUX, all is fine. Wiring is all checked out. Cable is E1T1 (1,2,4,5).
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...