Black Box 1-Port T1/E1 Ethernet Network Extender Kit Installation, OFF E1 CRC4 E1 CAS E1 CRC4+CAS

Chapter 3: Installation

Table 3-3. Frame mode configuration.

SW1-1	SW1-3	SW1-4	Frame Mode
OFF	OFF	OF	E1 Unframed
OFF	ON	OFF	E1 CRC4
OFF	OF	ON	E1 CAS
OFF	ON	ON	E1 CRC4+CAS
ON	OFF	OFF	T1 Unframed
ON	ON	OFF	T1 SF
ON	OFF	ON	T1 ESF

Table 3-4. Line code configuration.

SW1-1	SW1-5	Line Code
OFF	OFF	HDB3
OFF	ON	AMI
ON	OFF	B8ZS
ON	ON	AMI

Table 3-5. DS-1 LBO and DSX-1 transmit pulse template.

SW1-1	SW1-6	SW1-7	SW1-8	SW2-1	E1 or DS1/DSX-1 LBO
OFF	X	X	X	X	E1
ON	OFF	OFF	OFF	OFF	DS-1, 0 dB, LBO
ON	ON	OFF	OFF	OFF	DS-1, 7.5 dB, LBO
ON	OFF	ON	OFF	OFF	DS-1, 15 dB, LBO
ON	ON	ON	OFF	OFF	DS-1, 22.5 dB, LBO
ON	X	X	ON	OFF	DSX-1, 0–133 feet
ON	X	X	OFF	ON	DSX-1, 133–266 feet
ON	OFF	OFF	ON	ON	DSX-1, 266–399 feet
ON	ON	OFF	ON	ON	DSX-1, 399–533 feet
ON	X	ON	ON	ON	DSX-1, 533–655 feet

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