Installation and Reference Guide HP AdvanceStack 100Base-THub-12TX, Hub-12TXM, and Switch Modules 1997-06
HP Hub-12TX/Hub-12TXM Installation and Reference Guide
D-2 Product Specifications
Hub Stack Expansion Up to 5 modules (60 ports)
Expansion Interface Stacking Cable
Configuration Automatic hub-ID and bus termination
Isolation Supports hub isolation from the stack
Switching Port Access Method CSMA/CD, 100 Mbit/s
Standards Conformance IEEE 802.3u 100Base-TX, FX
Communication Rate 10/100Base-TX, 10 or 100 Mbit/s (via auto-
sensing): 100Base-FX, 100 Mbit/s only
Communication Mode Full or half duplex for 10/100Base-TX (via auto-
negotiation), 100Base-FX (via manual
configuration)
Media Supported 100Base-TX 100Wtwisted-pair (2-pair);
Cat 5 for 100 Mbit/s,
or Cat 3,4,5 for 10 Mbit/s
100Base-FX 50/125 mm or 62.5/125
mm
multimode fiber
Number of Ports 2 100Base-TX RJ-45 ports (1 MDI, 1 MDI-X), or
1 100Base-FX SC-type port
Indicator Panel Comprehensive array of LEDs for displaying
port link, collision, traffic, transmission speed,
transmission mode
Switching Criteria -
Network Bridging Function
filtering, forwarding and learning
Switching Method adaptive cut-through: cut-through, fragment-free
cut-through, and store-and-forward
Maximum Filtering Rate line speed
Maximum Forwarding Rate line speed
Network Latency less than 20 microseconds
Address Table 4K entries/port
Queue Buffer 160K bytes