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Connecting the Line Interface 16
CopperLink 1214 User Manual 2 • Installation
Connecting the Line Interface
CAUTION
The interconnecting cables shall be acceptable for external use
and shall be rated for the proper application with respect to volt-
age, current, anticipated temper
ature, flammability, and
mechanical serviceability.
The CL1214 supports communication between two peer Ethernet LAN sites over a distance of up to 10,000 ft
(3 km) over 24 AWG (0.5 mm) twisted-pair wire, Cat5+, or 75-ohm BNC.
Note Actual distance and link performance may vary depending on the environ-
ment and type/gauge of wire used.
Follow the steps below to connect the CL1214 CopperLink Interfaces.
Note The CL1214 units work in pairs. One of the units must be configured as a
(L) Local unit, and the other unit must be configured as a (R) Remote unit.
Connecting the Line Interface for CL1214/EUI or CL1214/TB
1. T
o function properly, the two CL1214s must be connected together using twisted-pair, unconditioned,
dry, metal wire, between 19 (0.9mm) and 26 AWG (0.4mm). Leased circuits that run through signal
equalization equipment are not acceptable.
2. The CL1214 is equipped
with an RJ-45 interface jack (figure 3) or terminal block (figure 4 on page 17)
that can be used on the CopperLink interface. The CopperLink inter
face is a two-wire interface. Observe
the signal/pin relationships on the CL1214’s CopperLink interface jack.
The RJ-45 connector on the CL1214’s twisted pair interface is polarity
insensitive and is wired for a two-wire
interface. The signal/pin relationship is shown in figure 3.
1 (no connection)
2 (no connection)
3 (no connection)
4 (RING)
5 (TIP)
6 (no connection)
7 (no connection)
8 (no connection)
1
2
3
4
5
6
7
8
Figure 3. CL1214 (RJ-45) twisted pair line interface.