50-Pin Telephone Company Connector Cable Specifications; Pinouts For Subscriber Line Dsl Connections; Figure C-1 Usoc Rj-21X 50-Pin Connector - Lucent Technologies Stinger MRT 19 Getting Started Manual

Cables and Connectors

50-pin telephone company connector cable specifications

Table C-4. RJ-45 connector (crossover end) (continued)
RJ-45 pin number
Pin 7
Pin 8
50-pin telephone company connector cable specifications
Subscriber line DSL connections and voice connections, on some models, to the
telephone switch use USOC RJ-21X 50-pin telephone company connectors on the
Stinger MRT chassis, as shown in Figure C-1.
Figure C-1. USOC RJ-21X 50-pin connector
The MRT 23 chassis provides two LINE connectors for subscriber voice-over-DSL
connections, and two POTS connectors for connection to a voice switch. The Stinger
MRT 23 supports a total of 36 subscriber connections.
The MRT 19 chassis provides two connectors for subscriber ADSL connections,
without voice. The Stinger MRT 19 supports a total of 48 subscriber connections.

Pinouts for subscriber line DSL connections

Two 50-pin connectors on the lower left side of the Stinger MRT 23 chassis, labeled
LINE 1-24 and LINE 25-48, provide up to 36 DSL connections, combined with analog
voice service, to individual subscribers. Two similar connectors on the Stinger MRT
19 chassis, labeled PORTS 1-24 and PORTS 25-48, provide up to 48 ADSL or 36
SHDSL connections (depending on model), without voice service, to individual
subscribers. The subscriber port pinouts for these connectors on both chassis are the
C-4
Function
NC
NC
50
26
Wire color
Brown/White
Brown
25
1
Stinger® MRT Getting Started Guide