Datasheet

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Table C-6 E1 D-Connector Pinout, CVM and NTM Back Cards
Table C-7 E1 D-Connector Pinout, FRM, UFM, and UVM Back Cards
TTC JJ-20 (J1) Cabling
Table C-8 and Table C-9 describes the J1 cabling and the TTC connector pinouts, respectively.
Table C-8 Japanese J1 Cabling
Table C-9 TTC Connector Pin Assignments (Balanced)
Pin No. Description
1 Receive, Tip
2 Receive Pair Shield
3 Transmit, Tip
9 Receive, Ring
10 Transmit Pair Shield
11 Transmit, Ring
Pin No. Description
1 Transmit, Tip
2 Transmit Pair Shield
3 Receive, Tip
4 Receive Pair Shield
9 Transmit, Ring
11 Receive, Ring
Cable Parameter Description
Cable Type: 110-ohm, twisted pair for balanced; 2 cable pairs (1 transmit, 1 receive) per TTC.
Cable Connection: Male DB-15 for balanced connection. See Table C-9 for pinouts.
Max. Cable Length: Maximum length depends on signal attenuation, which cannot exceed 13 dB.
Pin No. Description
2 Send Tip S(T)
9 Send Ring S(R)
4 Receive Tip R(T)
11 Receive Ring R(R)
1 Ground