Figure 1-4. Gx 550 Switch With Gx 550 Es Downlink Phy Module Installed - Lucent Technologies GX 550 ES Hardware Installation Manual

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Figure 1-4 shows the GX 550 ES downlink phy module installed in a phy port at the
rear of the GX 550 Multiservice WAN switch.
GX 550 ES
Downlink
Phy Module
Figure 1-4. GX 550 Switch with GX 550 ES Downlink Phy Module
GX 550 ES Hardware Installation Guide
Ex. 2006
Timing Module
Timing Module
NPA Module
EXT PWR ALARM ALARM STATUS NET MGNT ENET
Good Good Good Good Good Good
Fail Fail Fail Fail Fail Fail
Tx 1 Tx 1 Tx 1
Rx
Rx Rx
Tx 2
Rx
Tx 3
Rx
Tx 4
Rx
OC3 OC12
GX 550 ES
STM1 STM4 DOWNLINK
PHY PHY PHY
MM MM
Good Good
Fail Fail
Tx 1 Tx 1
Rx Rx
Tx 2
Rx
Tx 3
Rx
Tx 4
Rx
OC3 OC48 OC12 OC48 OC48
STM1 STM16 STM4 STM16 STM16
PHY PHY PHY PHY PHY
MM MM MM MM MM
Installed
Good
Failed
StnBy
Good
Failed
StnBy
T1-0 IN T1-1 IN T1 OUT E1-0 IN E1-1 IN E1 OUT
Good Good
Fail Fail
OC48
STM16
PHY
MM
Overview
Module Locations
4/5/031-7
000033