User`s manual

Chapter 2 Installation
45
 ALM:
The ALARM relay contact is to extend the major and minor alarm of MUXpro
820 to the office audible and visual alarm system. Refer to Appendix A for its
pin assignment.
 CRAFT:
The Front panel CRAFT port serves as a normal supervise port and operates
at standard RS-232 DCE mode in DB-9 type connector, it can direct connect
to PC COM port for operation.
The components located on the rear panel are arranged in several functional
groups:
 Power supply: The rear panels include only the AC or DC power connector (in
accordance with order), for connection of the MUXpro 820 supply voltage and
protective ground. The AC connector has a built-in fuse.
 LAN ports: The LAN ports include six Ethernet interfaces (4 VLAN ports, 2
transparent ports) terminated in LAN 1, LAN 2, LAN 3, LAN 4, LAN 5 and LAN
6. Each connector has a pair of built-in indicators.
 E1 interface: 8 E1 ports for SCSI II female connector. Hot Swappable is not
supported.
2.1.5.2 MUXpro 8216
Figure 2-4 MUXpro 8216 front panel
Figure 2-5 MUXpro 8216 rear panel (AC+DC)
The components located on the front panel are arranged in several functional
groups:
 System status indicators: The groups of indicators located in the lower middle
side of the panel display the system status.