Allied Telesis AT-CM70S - Manual (Page 91)

Converteon Media Converter Line Cards Reference Guide
91
RJ-48 T1/E1 Port Pinouts
Figure 40 illustrates the pin layout to an RJ-48 connector and port.
Figure 40. RJ-48 Connector and Port Pin Layout
Table 23 lists the RJ-48 pin signals.
Note
TDM(T1/E1) Transport over fiber operates point-to-point between
two AT-CM70S modules across fiber; and there is an auto-discovery
process at power-ON which detects the presence of an AT-CM70S
at the remote end.
Table 23. RJ-48 Pin Signals
Pin Signal
1 Receive Ring (RX, Ring, -)
2 Receive Tip (RX, Tip, +)
4 Transmit Ring (TX, Ring, -)
5 Transmit Tip (TX, Tip, +)
8
8
1 1