9500 MXC User Manual
3DB 23063 ADAA - Rev 004 July 2007 Vol. II-3-33
DAC 4x
DAC 4x supports up to 4xE1 or 4xDS1 tributaries.
• E1 options are 75 ohm unbalanced or 120 ohms balanced.
• DS1 encoding options are AMI or B8ZS. Line impedance is fixed at 100 ohms
balanced.
Each tributary is accessed via an RJ-45 connector, and cable sets are available, as
accessories, to provide:
• RJ-45 to BNC male unbalanced.
• RJ-45 to RJ-45 balanced, straight or crossover.
• RJ-45 to unterminated for balanced wire wrap or punch-down insulation
displacement connection.
Figure 3-17 shows the DAC 4x front panel layout. Table 3-16 describes the
interfaces.
Figure 3-17. DAC 4x front panel layout
Table 3-16. DAC 4x Front Panel Description
12 3
No Item/Label Description
1 Plug-in fastener Finger-grip screw-type fastener and card pull (2).
2 Status LED Status LED provides indications of:
Off INU power off
Green Normal operation
Orange
flashing
Configuration not supported, or software / hardware
incompatible
1
1. Includes situations where the slot configuration does not support the plug-in, or the plug-in requires a later/different version of
system software.
Red Critical alarm: Trib LOS or SW/HW failure
3 Trib. connector assembly 4xRJ-45 type connectors for tributary cable connection