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RJ-48 Cables
RJ-48 cable connector pinouts are given in this section to help you identify the proper connector to accommo-
date your specific networking requirements. The RJ-48 (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 2-29.
8
1
RJ-48 to RJ-48 Straight Cable (T1/E1/DS1 WAN to Trunk Side)
An RJ-48 (T1/E1) straight cable is used to connect Tenor CMS T1, E1 or DS1 WAN cards to the Trunk Side
(PSTN). Cable pinouts are provided below. If this cable is provided by Quintum, the color is green. The color
specifications are applicable to the RJ-48 straight cable provided.
Pin #
1
2
3
4
5
6
7
8
P/N 480-0005-00-15
Figure 2-29 RJ-48 Pin Order
Side View
Top View
Figure 2-30 RJ-48 (T1/E1/DS1) Connector Pinouts
Pin #
Connects to
1
2
3
4
5
6
7
8
Table 2-12 RJ-48 Connector Pinouts for T1/E1/DS!
Signal
RX ring
RX tip
RSVD
TX ring
TX tip
RSVD
RSVD
RSVD
Chapter 2: Hardware Components
Pin #
Definition
Receive Ring
Receive Tip
Reserved
Transmit Ring
Transmit Tip
Reserved
Reserved
Reserved
1
8
1
2
3
4
5
6
7
8
Color
White w/orange
Orange
White w/green
Blue
White w/blue
Green
White w/Brown
Brown
2-33
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