3Com SuperStack II PathBuilder S330 Reference Manual page 42

28 C 2: I
HAPTER NSTALLATION
CBR module T1-DSX or E1 ports
(only 1 port for PathBuilder S310)
CBR (V.35/RS-449/RS-530/X.21)
serial port
Optional CBR module
installed in expansion slot 7
RS-232 (console) port
Figure 22 PathBuilder S330/S310 Common LEDs
Status
Power
Figure 23 shows the port configuration of a PathBuilder S330/S310 switch.
Figure 23 PathBuilder S330/S310 Ports and CBR Module
Optional voice compression module
installed in expansion slot 8
Ethernet port
The following sections tell you how to make connections to the ports of the
PathBuilder S330/S310 switch.
For pinout tables, see "Connector Pinouts" in Appendix A.
Alert
VCM T1-DSX or E1 port
Optional DS3 or E3 module
installed in expansion slot 9
(PathBuilder S330 only)
T1/ n x T1 or E1/ n x E1 interface
(one T1 or E1 for PathBuilder S310)
OC3/STM-1 port (PathBuilder S330 only)
Serial (V.35/RS-449/RS-530/X.21) port
DS3 or E3 port