Model Type: DX122-FBP.0 Electrical 1SAJ622000R0101 DX122-FBP.0 IO-Module
Connectors and Indicators
The switch consists of four equal RJ45 Ethernet ports, a SDSL
transceiver, and an RS-232 interface for configuration and transmission of serial data. Each RJ45 port can be connected to Cat. 3 (10 Mbps)
or Cat. 5 (100 Mbps) Ethernet cable connections up to 100 meters. The cables can only be used for internal connections.
Crossover cables are not required because the RJ45 ports of the 560NMS34 switch support automatic MDI/X.
The SDSL interface can be connected to customer-provided two-wire copper cable.
The maximum bridging distance for 0.8 diameter copper cable with a transmission rate of 192 kbps is 20 kilometers.
Depending on the distance, the transmission rate
The status of any switch port can be indicated by two LEDs.
The status of a port can be indicated by two LEDs.
These are located above and below the RJ45.
Ethernet (RJ45)
The green link LED (labeled L) indicates that the Ethernet connection is active.
Active:
- Off - no connection
- On - Ethernet connection established (link)
- Blinking - Ethernet activity (transmitting or receiving frames)
The yellow Speed LED (labeled S) indicates a 10 or 100 Mbps connection.
Speed Status:
- Off - Ethernet speed is 10 Mbps
- On - Ethernet speed is 100 Mbps
DSL (via backplane)
The status of the DSL interface is indicated by the green LED labeled
The status of the DSL interface can be monitored by the green LEDs labeled A1 (active) and L1 (linked).
L1 Status:
- Off - no DSL link
- On - DSL link established
A1 Status:
- Off - no DSL connection
- Blinking - DSL activity (transmitting or receiving frames). If the link is closed, the DSL connection is negotiated.
RS232 (via backplane)
The RS232 port is accessible via the backplane. No light indicator. There is no light indicator.
General
Errors are signaled by a red error LED (labeled ERR) and an alarm condition when an error is detected.
Alarm status can also be signaled by an isolated alarm relay that can be deactivated with a jumper.
The conditions that lead to an alarm condition can be configured.
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