Chapter 5. Configuration Menu5-28 TDU 120e User Manual 61202156L2-1Trap in DBU:If traps are enabled (see U NIT C ONFIGURATION), thisparameter will send either a single trap upon goinginto a DBU session or send repeated traps for theduration of the DBU session.Choices: S INGLE, R EPEATEDDS-1 (0.2) Menu ItemsFormatFormat sets the frame format for the base DS-1 interface.Choices: D4, ESFCodeC ODE sets the line code for the base DS-1 interface.Choices: AMI, B8ZSYellow AlarmYELLOW A LARM enables and disables the transmitting ofyellow alarms.Choices: E NABLE, D ISABLELine Length (ft)L INE L ENGTH provides selection of the proper outputlevel for the base DS-1 based on the length of the inter-face cable.Choices:S HORT HAUL INTERFACES (ft) - 1-133, 133-266, 266-399, 399-533, 533-655L ONG -HAUL INTERFACES - 0dB -7dB, -15dB, -22dB, autoInband Loopback(INBAND LPBACK)IN - BAND L OOPBACK sets the base DS-1 to accept or rejectin-band loopup or loopdown codes (per ANSI T1.403specification) which may be sent to the card over theDS-1 interface. This loopback is a line loopback.Choices: A CCEPT , R EJECT
