Refer to section AUTO Signal Setup Explanation .

Press this submenu key when connected to a 1.5 MHz T1 circuit.

Press this submenu key when connected to a 45 MHz T3 circuit.

Press this submenu key to select B3ZS line coding.

Press this submenu key to select Alternate Mark Inversion (AMI) line coding.

Press this submenu key to select the internally generated Tx Clock.

Press this submenu key to select a clock signal that is recovered from the receive path.

Press this submenu key to test the signal near the Base Transceiver Station (within 225 feet).

Press this submenu key to select a signal configuration in order to test at the cross‑connect point (more than 225 feet).

Press this submenu key to select terminate mode. This terminates the circuit in 75 ohms.

Press this submenu key to add + 20 dB gain to the receive path.

Press this submenu key to test the M13 framing format.

Press this submenu key to select the C‑bit parity format, which redefines the use of the C‑bits in the M13 frame, thereby making it possible to provide in‑service, end‑to‑end path performance monitoring of the DS3 signal and in‑band data links.

Press this submenu key to select testing without any framing format. The full pattern is transmitted without any formatting. No fractional T1 or subrate testing can be performed when unframed is selected.

Press this submenu key to select full T3 data stream testing.

Press this submenu key to select 1 of the 28 T1 channels.

Press this submenu key to select combinations of 64 kb channels for testing. This mode is referred to as fractional T1.

Press this submenu key to select a single 64 kb channel for testing.

Press this submenu key to select and test a data stream that has been reduced in size as a result of bit robbing.

Press this submenu key to select 2 consecutive bits for testing within a single 64 kb channel.

Press this submenu key to select a single bit for testing within a selected 64 kb channel.

Press this submenu key to select 1 of the 28 DS1 channels.

Press this submenu key to select combinations of 64 kb channels to be tested.

Press this submenu key to select a single 64 kb channel for testing.

Press this submenu key to select and test a data stream that has been reduced in size as a result of bit robbing.

Press this submenu key to select 2 consecutive bits for testing within a single 64 kb channel.

Press this submenu key to select a single bit for testing within a selected 64 kb channel.

Press this submenu key to set the payload frame for ESF.

Press this submenu key to set the payload frame for SF-D4.

 

Press these submenu keys to set the other channels (those channels that are not being tested) to All ones, to Broadcast, or to AIS.