Product guide

Chapter 2: Hardware Components 2-6
Cables
The cables listed in Table 2-4 are required to connect a Tenor BX to various interfaces. Contact Quintum
for ordering information, if necessary.
NOTE: A crossover cable is required when connecting to a Line side (PBX, TE device) interface
(when supplied by Quintum, this is a purple RJ-45 cable, P/N 303-0021-00). A straight
cable is required when connecting to the trunk side (PSTN, NTI) interface. When supplied
by Quintum, this is a green RJ-45 cable, P/N 303-5009-00).
Table 2-4 Cables Supported
RJ-45 Cables
RJ-45 cable connector pinouts are given in this section to help you identify the proper connector to
accommodate your specific networking requirements. The RJ-45 (ISO 8877) connector is the EIA/
TIA standard for Unshielded Twisted Pair (UTP) cable; the wiring color codes are UTP Standard
Coloring. The pin order is shown in
Figure 2-5.
Figure 2-5 RJ-45 Pin Order
Cable Usage
RJ-45 to RJ-45 Crossover Cable (this cable is pur-
ple if provided by Quintum)
BRI connection Line Side (PBX) interface. TE
connection.
RJ-45 to RJ-45 Straight Through cable (this cable
is green if provided by Quintum)
BRI connection to Trunk Side (PSTN) inter-
face. NT connection.
RJ-45 Ethernet cable (grey or white) Connection to Ethernet LAN 10/100.
DB-9 Serial RS-232 Connection to PC’s asynchronous console
port.
Detachable (IEC) AC Power Supply Cord Connection to AC power jack.
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