Enterasys Networks X-Pedition 2000 - Manual (Page 34)

Hardware Overview
18 Enterasys X-Pedition 2000 Getting Started Guide
Dual Serial and Quad Serial – C/CE Expansion Modules
The Dual Serial expansion module contains a single dual serial WAN port (two serial ports located
on one high density connector). The Quad Serial – C and Quad Serial – CE expansion modules
each contain two dual serial WAN ports. In addition, the Quad Serial – C expansion module
includes compression, and the Quad Serial – CE expansion module includes compression and
encryption, for each WAN port.
Figure 6 shows the front panel of the Dual Serial WAN expansion
module.
Figure 6. Front panel of Dual Serial WAN expansion module
Per-port Tx • Green – indicates when the port’s transceiver transmits packets.
• Orange – indicates when the port’s transceiver transmits flow-control
packets.
Per-port AN • Green – indicates that the expansion module is autonegotiating the
operating mode of the link between full-duplex and half-duplex.
• Orange (intermittent) – indicates that autonegotiation is in process.
• Orange (solid) – indicates a problem with autonegotiation configuration.
• Red – indicates an autonegotiation failure. This fault may occur if the
link partner does not support full duplex.
• Off – indicates that autonegotiation has been disabled or the link is
down.
Table 12. 1000BASE-LX expansion module LEDs (Continued)
LED Description
1,2
Tx
Rx
Link
Dual Serial G2M-SERAC-02
1 2