Hardware manual

3 - 4
3.4 2-Wire Leased Line or 4-Wire Transmit Pair Connector
(CC48-21L)
These 50-pin connectors are used on racks with an RJ21 Leased Line Phone
Line Interface Board to simplify local telephone company installation.
TTIPA1 26 1 RRINGA1 TTIPA9 26 1 TRINGA9 TTIPB1 27 2 TRINGB1 TTIPB9 27 2 TRINGB9 TTIPC1 28 3 TRINGC1 TTIPC9 28 3 TRINGC9 TTIPA2 29 4 TRINGA2 TTIPA10 29 4 TRINGA10 TTIPB2 30 5 TRINGB2 TTIPB10 30 5 TRINGB10 TTIPC2 31 6 TRINGC2 TTIPC10 31 6 TRINGC10 TTIPA3 32 7 TRINGA3 TTIPA11 32 7 TRINGA11 TTIPB3 33 8 TRINGB3 TTIPB11 33 8 TRINGB11 TTIPC3 34 9 TRINGC3 TTIPC11 34 9 TRINGC11 TTIPA4 35 10 TRINGA4 TTIPA12 35 10 TRINGA12 TTIPB4 36 11 TRINGB4 TTIPB12 36 11 TRINGB12 TTIPC4 37 12 TRINGC4 TTIPC12 37 12 TRINGC12 TTIPA5 38 13 TRINGA5 TTIPA13 38 13 TRINGA13 TTIPB5 39 14 TRINGB5 TTIPB13 39 14 TRINGB13 TTIPC5 40 15 TRINGC5 TTIPC13 40 15 TRINGC13 TTIPA6 41 16 TRINGA6 TTIPA14 41 16 TRINGA14 TTIPB6 42 17 TRINGB6 TTIPB14 42 17 TRINGB14 TTIPC6 43 18 TRINGC6 TTIPC14 43 18 TRINGC14 TTIPA7 44 19 TRINGA7 TTIPA15 44 19 TRINGA15 TTIPB7 45 20 TRINGB7 TTIPB15 45 20 TRINGB15 TTIPC7 46 21 TRINGC7 TTIPC15 46 21 TRINGC15 TTIPA8 47 22 TRINGA8 TTIPA16 47 22 TRINGA16 TTIPB8 48 23 TRINGB8 TTIPB16 48 23 TRINGB16 TTIPC8 49 24 TRINGC8 TTIPC16 49 24 TRINGC16
50 25 50 25
50POS.-CHAMP-CONNECTOR
50POS.-CHAMP-CONNECTOR
1
4
J20J19
Multi-Tech
designation
These numbers refer to the position of these connectors on the back panel of the
rack as shown in Figure 2-3.