User's Manual

Table Of Contents
1027144–0001 Revision D 3–28 Installing indoor RT equipment
RT installation
The DS3–TDM SSI, shown in figure 3-17, provides a structured
or transparent D3 service link between the HT and RT.
Tx
ALARM
OK
Rx
TDM
SSI
3
DS
T0006022
BNC Rx connector
BNC Tx connector
OK
STATUS
ALARM
SSI status
LEDs
Link status LEDs
Figure 3-17 DS3–TDM SSI
The maximum cable length for a DS3–TDM SSI is 450 feet
(137.2 meters).
The Universal–DS1 SSI, shown in figure 3-18, provides a link to
the HT that can carry up to eight T1 or eight E1 lines.
Figure 3-18 Universal–DS1 SSI
UNIVERSAL SSI
OK
STATUS
ALARM
PORT 1 PORT 2 PORT 3 PORT 4 PORT 5 PORT 6 PORT 7 PORT 8
T0009039
SSI status LEDs
RJ-48X connectors RJ-48X connectors
The maximum cable length for a Universal–DS1 SSI is 655
feet (199.6 meters).
The DS3–ATM SSI, shown in figure 3-19, provides an ATM link
between the RT and the HT.
T0009005
BNC Rx connector
BNC Tx connector
Tx
ALARM
OK
Rx
ATM
SSI3DS
OK
STATUS
ALARM
Link status LEDs
SSI status
LEDs
Figure 3-19 DS3–ATM SSI
The maximum cable length for a DS3–ATM SSI is 450 feet
(137.2 meters).
DS3–TDM
Universal–DS1
DS3–ATM