96Appendix A Technical specifications
Table 31 provides the T1/E1 CSU/DSU cable pinouts for a
Table 31 T1/E1 CSU/DSU cable pinouts for straight-through connection
Nortel termination |
| Remote termination | |
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Signal | Pin # to Pin # | Signal | |
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Receive A (RXDA) | 1 | 1 | Receive A (RXDA) |
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Receive B (RXDB) | 2 | 2 | Receive B (RXDB) |
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not used | 3 | 3 | not used |
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Transmit B (TXDB) | 4 | 4 | Transmit B (TXDB) |
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Transmit A (TXDA) | 5 | 5 | Transmit A (TXDA) |
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not used | 6 | 6 | not used |
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not used | 7 | 7 | not used |
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not used | 8 | 8 | not used |
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Quad T1/E1 CSU/DSU WAN interface card
The quad T1/E1 CSU/DSU WAN interface card has four connectors that provide the signals needed to interface to T1 or E1 equipment. Figure 41 shows the quad T1/E1 CSU/DSU WAN interface card.
Figure 41 Quad T1/E1 CSU/DSU WAN interface card
CS160012A
Each connector on the quad T1/E1 CSU/DSU WAN interface card accommodates an
Note: Nortel does not supply cables with the quad T1/E1 CSU/DSU interface card.