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If a connected Span LED line is unlit, see Chapter 8: Diagnostics/Maintenance for a detailed description and
troubleshooting techniques.
Hot Swap. A lit blue light indicates that the T1 WAN card is not in service.
Diag Port. This port is for internal Quintum use only.
RJ-48 Input/Output Ports. The eight RJ-48 connectors on the rear of the T1 card (the transition module) are
used to provide network access; they route signals between the T1 and a piece of network equipment (i.e.,
PBX or PSTN). The input/output signals are listed in Table 2-7.
Table 2-7 Input/Output Signals for WAN T1 Card RJ-48 Ports
Port#
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
P/N 480-0005-00-15
Figure 2-23 RJ-48 Port Pin Order
Pin
1
RR -
2
RT +
3
N/C
4
TR -
5
TT +
6
N/C
7
Chassis Ground
8
Chassis Ground
Chapter 2: Hardware Components
Signal
Definition
Receive Ring
Receive Tip
Not Connected
Transmit Ring
Transmit Tip
Not Connected
Chassis Ground
Chassis Ground
2-26
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