Cisco 2600 Series Operation Manual page 68

4-Port and 8-Port Asynchronous/Synchronous Serial Network Module
•
4-port asynchronous/synchronous serial network module—(Cisco product number
NM-4A/S). (See Figure 6-11.)
•
8-port asynchronous/synchronous serial network module—(Cisco product number
NM-8A/S). (See Figure 6-12.)
With the appropriate serial transition cable, the ports on these modules can provide an
EIA/TIA-232, EIA/TIA-449, V.35, X.21, DTE/DCE, EIA-530 DTE, or NRZ/NRZI serial
interface.
Figure 6-11
SERIAL
A/S
3
Figure 6-12
SERIAL
A/S
7
3
6-16 Cisco Network Modules Hardware Installation Guide
4-Port Asynchronous/Synchronous Serial Network Module
Asynchronous/synchronous serial ports (DB-60)
CN/LP RXC RXD TXC TXD CN/LP RXC RXD
2
8-Port Asynchronous/Synchronous Serial Network Module
Asynchronous/synchronous serial ports (DB-60)
CN/LP RXC RXD TXC TXD CN/LP RXC RXD
6
CN/LP RXC RXD TXC TXD CN/LP RXC RXD
2
TXC TXD CN/LP RXC RXD TXC TXD
1
TXC TXD CN/LP RXC RXD TXC TXD
5
TXC TXD CN/LP RXC RXD TXC TXD
1
EN
CN/LP RXC RXD TXC TXD
0
CN/LP RXC RXD TXC TXD
4
CN/LP RXC RXD TXC TXD EN
0