Specifications

CHAPTER 4: Operation
17
SWITCH TWO SETTINGS
1. LBO SETTlNG (Active only in the CSU mode of operation. When operating in the DSX-1 mode, the
LBO switch must be in the zero [0] dB position.). Position the LBO switch as directed by the carrier:
A. –1 5dB
B. –7.5dB
C. 0dB
SWITCH THREE SETTINGS
1. NETWORK FRAMING:
A. D4: .......................................................................................S3-1: ON
B. ESF(Fe): ................................................................................S3-1: OFF
2. NETWORK LINE CODE:
A. AMI: .......................................................................................S3-2: ON
B. B8ZS:......................................................................................S3-2: OFF
3. NETWORK INTERFACE:
A. CSU: .......................................................................................S3-3: ON
S3-4: OFF
S3-5: ON
NOTE
If the CSU Mode of operation is
selected, then the LBO switch must
be set as defined by the carrier. Refer
to Switch 2 setting information
presented below. If the CSU Mode is
selected, then all the DSX-1
selections are invalid. If the unit is
not to be operated as a CSU but in
the DSX-1 mode, then the TRANSMIT
OUTPUT PULSE must be defined.