Specifications; Sub-Channel; Main Channel - Black Box Local Mux-6 User Manual

LOCAL MUX-6

1. Specifications

1.1 Sub-Channels
Transmission Format—Asynchronous
Data Rate—Up to 19.2 kbps (refer to Table 2-1)
Distortion—Refer to Table 2-1
Interface—EIA RS-232-C/CCITT V.24
Connectors—(6) DB25 female
Number of Sub-channels—Up to twelve by attaching a channel doubler
to each of the connectors
Mode of Operation—Full duplex

1.2 Main Channel

Electrical Interface
Transmission Line—4-wire unconditioned telephone lines (two twisted pairs)
Operating Range—Maximum of 1.6 km (1 mile) on 22 AWG cable
Data Rate—1.2288 Mbps
Output Format—Balanced, transformer-isolated 6 Vp-p (on 100 Ω)
Input Resistance—100 Ω
Connector—Terminal block
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