T1 Interface Options
Line interface options of the From Network and From User
connections:
- Transmit options
- Short-Haul 0 to 110 feet
- Short-Haul 110 to 220 feet
- Short-Haul 220 to 330 feet
- Short-Haul 330 to 440 feet
- Short-Haul 440 to 550 feet
- Short-Haul 550 to 660 feet
- Long-Haul 0 dB
- Long-Haul 7.5 dB
- Long-Haul 15 dB
- Long-Haul 22.5 dB
- * For Clarinet-Book SCSI type, this option can be used to link a transmit equalizer
with any selection except the first one.
- Receive equalizers
- Standard cable loss. 36dB
- 20 dB flat loss
- * Not supported by Clarinet-Book SCSI type.
Input impedance: Impedance mode of the Clarinet interface
imputs
- --. default 100 Ohms
- High impedance
- 75 Ohms
- 100 Ohms
- 120 Ohms
- * For Clarinet-Book SCSI type, this option can be used to set high impedance inputs
with any selection except the first one (fixed hardware version 100 Ohms).
Abcd signalling mode: To select CAS (or robbed bit signalling).
This option can be used on the TS's which are not defined as 64Kbits data
channels.
Framing mode: One option must be selected
- * The J1 implementation is not supported by Clarinet-Book SCSI type.
CRC6 check in ESF mode: The bit F of the frame is used for CRC6
in ESF mode.
Connection mode: Connection mode of the Clarinet interfaces
(see connections):
Zero-suppress code: One option must be selected:
64 Kbits data TS: To
select one or more TS's used as 64Kbits data channels.
The other TS's may be used as analog channels or 56Kbits data channels.
If a TS is used as 64Kbits data channel, then the abcd signalling is not
allowed on this slot.
Normal polarity TS: To
select one or more TS's used in normal polarity.
The other TS's have inverted polarity.
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