42
C
HAPTER
2: I
NSTALLATION
Connecting to the T1/E1 UNI Interface
As shown above in Figure 18, the PathBuilder S330 T1/E1 UNI with IMA interface
provides four T1/E1 ports. You can connect a single T1/E1 line to this interface, or
connect up to four T1/E1 lines and combine them to form a logical,
inverse-multiplexed high-speed link. See “Configuring UNI and IMA Groups” in
Chapter 4 for details about setting up IMA groups.
If you are using a G703 coax physical connection to connect the E1 line to the
interface, you must use the E1 Balun Adapter (part number 3C63904).
T1/E1 UNI Interface LEDs
In addition to the common LEDs described earlier in
this chapter, the following LEDs indicate the status of each T1/E1 port. (See
Figure 19.)
The PathBuilder S330 has four of each of the following LEDs (one for each T1/E1
port). The PathBuilder S310 has one of each of the following LEDs (for its one
T1/E1 port).
ALARM PORT #N (red)
—Powers up in the “off” state and illuminates when an
alarm condition is detected on the corresponding T1/E1 line.
ONLINE PORT #N (green)
—Powers up in the “off” state and illuminates when
you set the administrative status of the T1/E1 port to
In Service
. See “Configuring
the T1/E1 Interface” in Chapter 4, for details about how to set the administrative
status of the T1/E1 ports and/or IMA groups.
Figure 19
PathBuilder S330 T1/E1 UNI LEDs
Connecting to the Serial Port
To connect to the serial port, connect a DTE or DCE cable to the MOLEX 60-pin
connector on the front of the unit. The cable options for the serial port are:
n
DCE V.35—The connector type on the V.35 cable converter is 35-pin
Winchester; female.
n
DTE/DCE RS-449—The connector type at the end of the RS-449 cable is DB-37
subminiature; female for DCE, male for DTE.
n
DTE/DCE EIA530—The connector type at the end of the EIA530 cable is DB-25
subminiature; female for DCE, male for DTE.
n
DTE/DCE X.21—The connector type at the end of the X.21 cable is DB-15
subminiature; female for DCE, male for DTE.
1 2 3 4
Alarm
Online
NOTE: The PathBuilder S310
has only one set of functioning LEDs