3Com 3C63400-3AC-C - PathBuilder S700 Switch Reference Manual page 68

54 C 2: I
HAPTER NSTALLATION
Table 24 lists the connector pinouts for the Telco connectors. Note the following as
you use this table:
The notations A, B, and C indicate the slot.
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A corresponds to the slot with the lowest number
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B corresponds to the slot with the middle number
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C corresponds to the slot with the highest number
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For example, for the slot 7-9 connector, A corresponds to slot 7, B corresponds
to slot 8, and C corresponds to slot 9.
The pinouts are the same for both the Tx (out) and the Rx (in) connectors.
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Table 24 Telco (T1/E1) Connector Pinouts
PIN 25 NC
PIN 24 ATIP1
PIN 23 ATIP2
PIN 22 ATIP3
PIN 21 ATIP4
PIN 20 ATIP5
PIN 19 ATIP6
PIN 18 ATIP7
PIN 17 ATIP8
PIN 16 BTIP1
PIN 15 BTIP2
PIN 14 BTIP3
PIN 13 BTIP4
PIN 12 BTIP5
PIN 11 BTIP6
PIN 10 BTIP7
PIN 9 BTIP8
PIN 8 CTIP1
PIN 7 CTIP2
PIN 6 CTIP3
PIN 5 CTIP4
PIN 4 CTIP5
PIN 3 CTIP6
PIN 2 CTIP7
PIN 1 CTIP8
PIN 50 NC
PIN 49 ARING1
PIN 48 ARING2
PIN 47 ARING3
PIN 46 ARING4
PIN 45 ARING5
PIN 44 ARING6
PIN 43 ARING7
PIN 42 ARING8
PIN 41 BRING1
PIN 40 BRING2
PIN 39 BRING3
PIN 38 BRING4
PIN 37 BRING5
PIN 36 BRING6
PIN 35 BRING7
PIN 34 BRING8
PIN 33 CRING1
PIN 32 CRING2
PIN 31 CRING3
PIN 30 CRING4
PIN 29 CRING5
PIN 28 CRING6
PIN 27 CRING7
PIN 26 CRING8