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P/N 480-0005-00-15 2-33
Chapter 2: Hardware Components
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.
Figure 2-29 RJ-48 Pin Order
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.
Figure 2-30 RJ-48 (T1/E1/DS1) Connector Pinouts
Table 2-12 RJ-48 Connector Pinouts for T1/E1/DS!
Pin # Signal Definition Color
1 RX ring Receive Ring White w/orange
2 RX tip Receive Tip Orange
3 RSVD Reserved White w/green
4 TX ring Transmit Ring Blue
5 TX tip Transmit Tip White w/blue
6 RSVD Reserved Green
7 RSVD Reserved White w/Brown
8 RSVD Reserved Brown
8
1
1
8
Side View
Top View
Pin # Connects to Pin #
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8